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ST10F276Z5T3
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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.mdadded+180@@ -0,0 +1,180 @@+# ST10F276Z5T3++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)++ST10F276Z5T3 from STMicroelectronics, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | P6.0 | bidirectional | Port 6 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 0 output. |+| 2 | P6.1 | bidirectional | Port 6 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 1 output. |+| 3 | P6.2 | bidirectional | Port 6 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 2 output. |+| 4 | P6.3 | bidirectional | Port 6 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 3 output. |+| 5 | P6.4 | bidirectional | Port 6 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 4 output. |+| 6 | P6.5 | bidirectional | Port 6 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions HOLD (external master hold request input) or SCLK1 (SSC1 master clock output/slave clock input). |+| 7 | P6.6 | bidirectional | Port 6 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions HLDA (hold acknowledge output) or MTSR1 (SSC1 master-transmitter/slave-receiver). |+| 8 | P6.7 | bidirectional | Port 6 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions BREQ (bus request output) or MRST1 (SSC1 master-receiver/slave-transmitter). |+| 9 | P8.0 | bidirectional | Port 8 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM0 (PWM1 channel 0 output) or CC16IO (CAPCOM2 capture/compare). |+| 10 | P8.1 | bidirectional | Port 8 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM1 (PWM1 channel 1 output) or CC17IO (CAPCOM2 capture/compare). |+| 11 | P8.2 | bidirectional | Port 8 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM2 (PWM1 channel 2 output) or CC18IO (CAPCOM2 capture/compare). |+| 12 | P8.3 | bidirectional | Port 8 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM3 (PWM1 channel 3 output) or CC19IO (CAPCOM2 capture/compare). |+| 13 | P8.4 | bidirectional | Port 8 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC20IO (CAPCOM2 capture/compare). |+| 14 | P8.5 | bidirectional | Port 8 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC21IO (CAPCOM2 capture/compare). |+| 15 | P8.6 | bidirectional | Port 8 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions RxD1 (ASC1 data input asynchronous or I/O synchronous) or CC22IO (CAPCOM2 capture/compare). |+| 16 | P8.7 | bidirectional | Port 8 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions TxD1 (ASC1 clock/data output asynchronous/synchronous) or CC23IO (CAPCOM2 capture/compare). |+| 17 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 18 | VSS | power_in | Digital ground. |+| 19 | P7.0 | bidirectional | Port 7 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT0 (PWM0 channel 0 output). |+| 20 | P7.1 | bidirectional | Port 7 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT1 (PWM0 channel 1 output). |+| 21 | P7.2 | bidirectional | Port 7 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT2 (PWM0 channel 2 output). |+| 22 | P7.3 | bidirectional | Port 7 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT3 (PWM0 channel 3 output). |+| 23 | P7.4 | bidirectional | Port 7 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC28IO (CAPCOM2 capture/compare). |+| 24 | P7.5 | bidirectional | Port 7 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC29IO (CAPCOM2 capture/compare). |+| 25 | P7.6 | bidirectional | Port 7 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC30IO (CAPCOM2 capture/compare). |+| 26 | P7.7 | bidirectional | Port 7 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC31IO (CAPCOM2 capture/compare). |+| 27 | P5.0 | input | Port 5 bit 0: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN0 or timer input. |+| 28 | P5.1 | input | Port 5 bit 1: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN1 or timer input. |+| 29 | P5.2 | input | Port 5 bit 2: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN2 or timer input. |+| 30 | P5.3 | input | Port 5 bit 3: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN3 or timer input. |+| 31 | P5.4 | input | Port 5 bit 4: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN4 or timer input. |+| 32 | P5.5 | input | Port 5 bit 5: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN5 or timer input. |+| 33 | P5.6 | input | Port 5 bit 6: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN6 or timer input. |+| 34 | P5.7 | input | Port 5 bit 7: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN7 or timer input. |+| 35 | P5.8 | input | Port 5 bit 8: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN8 or timer input. |+| 36 | P5.9 | input | Port 5 bit 9: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN9 or timer input. |+| 37 | VAREF | passive | A/D converter reference voltage and analog supply for analog circuit biasing. |+| 38 | VAGND | passive | A/D converter reference and analog ground. |+| 39 | P5.10 | input | Port 5 bit 10: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN10 or alternate function T6EUD (GPT2 timer T6 external up/down control input). |+| 40 | P5.11 | input | Port 5 bit 11: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN11 or alternate function T5EUD (GPT2 timer T5 external up/down control input). |+| 41 | P5.12 | input | Port 5 bit 12: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN12 or alternate function T6IN (GPT2 timer T6 count input). |+| 42 | P5.13 | input | Port 5 bit 13: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN13 or alternate function T5IN (GPT2 timer T5 count input). |+| 43 | P5.14 | input | Port 5 bit 14: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN14 or alternate function T4EUD (GPT1 timer T4 external up/down control input). |+| 44 | P5.15 | input | Port 5 bit 15: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN15 or alternate function T2EUD (GPT1 timer T2 external up/down control input). |+| 45 | VSS | power_in | Digital ground. |+| 46 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 47 | P2.0 | bidirectional | Port 2 bit 0: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC0IO (CAPCOM capture/compare). |+| 48 | P2.1 | bidirectional | Port 2 bit 1: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC1IO (CAPCOM capture/compare). |+| 49 | P2.2 | bidirectional | Port 2 bit 2: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC2IO (CAPCOM capture/compare). |+| 50 | P2.3 | bidirectional | Port 2 bit 3: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC3IO (CAPCOM capture/compare). |+| 51 | P2.4 | bidirectional | Port 2 bit 4: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC4IO (CAPCOM capture/compare). |+| 52 | P2.5 | bidirectional | Port 2 bit 5: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC5IO (CAPCOM capture/compare). |+| 53 | P2.6 | bidirectional | Port 2 bit 6: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC6IO (CAPCOM capture/compare). |+| 54 | P2.7 | bidirectional | Port 2 bit 7: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC7IO (CAPCOM capture/compare). |+| 55 | VSS | power_in | Digital ground. |+| 56 | V18 | power_out | 1.8V decoupling pin; 10nF typical (max 100nF) decoupling capacitor required between this pin and nearest VSS. |+| 57 | P2.8 | bidirectional | Port 2 bit 8: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC8IO (CAPCOM capture/compare) or EX0IN (fast external interrupt 0 input). |+| 58 | P2.9 | bidirectional | Port 2 bit 9: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC9IO (CAPCOM capture/compare) or EX1IN (fast external interrupt 1 input). |+| 59 | P2.10 | bidirectional | Port 2 bit 10: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC10IO (CAPCOM capture/compare) or EX2IN (fast external interrupt 2 input). |+| 60 | P2.11 | bidirectional | Port 2 bit 11: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC11IO (CAPCOM capture/compare) or EX3IN (fast external interrupt 3 input). |+| 61 | P2.12 | bidirectional | Port 2 bit 12: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC12IO (CAPCOM capture/compare) or EX4IN (fast external interrupt 4 input). |+| 62 | P2.13 | bidirectional | Port 2 bit 13: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC13IO (CAPCOM capture/compare) or EX5IN (fast external interrupt 5 input). |+| 63 | P2.14 | bidirectional | Port 2 bit 14: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC14IO (CAPCOM capture/compare) or EX6IN (fast external interrupt 6 input). |+| 64 | P2.15 | bidirectional | Port 2 bit 15: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC15IO (CAPCOM capture/compare), EX7IN (fast external interrupt 7 input), or T7IN (CAPCOM2 timer T7 count input). |+| 65 | P3.0 | bidirectional | Port 3 bit 0: 15-bit (P3.14 missing) bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T0IN (CAPCOM1 timer T0 count input). |+| 66 | P3.1 | bidirectional | Port 3 bit 1: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T6OUT (GPT2 timer T6 toggle latch output). |+| 67 | P3.2 | bidirectional | Port 3 bit 2: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CAPIN (GPT2 register CAPREL capture input). |+| 68 | P3.3 | bidirectional | Port 3 bit 3: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T3OUT (GPT1 timer T3 toggle latch output). |+| 69 | P3.4 | bidirectional | Port 3 bit 4: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T3EUD (GPT1 timer T3 external up/down control input). |+| 70 | P3.5 | bidirectional | Port 3 bit 5: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T4IN (GPT1 timer T4 count/gate/reload/capture input). |+| 71 | VSS | power_in | Digital ground. |+| 72 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 73 | P3.6 | bidirectional | Port 3 bit 6: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T3IN (GPT1 timer T3 count/gate input). |+| 74 | P3.7 | bidirectional | Port 3 bit 7: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T2IN (GPT1 timer T2 count/gate/reload/capture input). |+| 75 | P3.8 | bidirectional | Port 3 bit 8: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function MRST0 (SSC0 master-receiver/slave-transmitter I/O). |+| 76 | P3.9 | bidirectional | Port 3 bit 9: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function MTSR0 (SSC0 master-transmitter/slave-receiver O/I). |+| 77 | P3.10 | bidirectional | Port 3 bit 10: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function TxD0 (ASC0 clock/data output asynchronous/synchronous). |+| 78 | P3.11 | bidirectional | Port 3 bit 11: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function RxD0 (ASC0 data input asynchronous or I/O synchronous). |+| 79 | P3.12 | bidirectional | Port 3 bit 12: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions BHE (external memory high byte enable) or WRH (external memory high byte write strobe). |+| 80 | P3.13 | bidirectional | Port 3 bit 13: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function SCLK0 (SSC0 master clock output/slave clock input). |+| 81 | P3.15 | bidirectional | Port 3 bit 15: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CLKOUT (system clock output with programmable divider). |+| 82 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 83 | VSS | power_in | Digital ground. |+| 84 | RPD | passive | Timing pin for return from interruptible power-down mode and synchronous/asynchronous reset selection. |+| 85 | P4.0 | bidirectional | Port 4 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A16 (segment address line). |+| 86 | P4.1 | bidirectional | Port 4 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A17 (segment address line). |+| 87 | P4.2 | bidirectional | Port 4 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A18 (segment address line). |+| 88 | P4.3 | bidirectional | Port 4 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A19 (segment address line). |+| 89 | P4.4 | bidirectional | Port 4 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A20 (segment address line), CAN2_RxD (CAN2 receive data input), or SCL (I2C serial clock). |+| 90 | P4.5 | bidirectional | Port 4 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A21 (segment address line), CAN1_RxD (CAN1 receive data input), or CAN2_RxD (CAN2 receive data input). |+| 91 | P4.6 | bidirectional | Port 4 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A22 (segment address line), CAN1_TxD (CAN1 transmit data output), or CAN2_TxD (CAN2 transmit data output). |+| 92 | P4.7 | bidirectional | Port 4 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A23 (most significant segment address line), CAN2_TxD (CAN2 transmit data output), or SDA (I2C serial data). |+| 93 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 94 | VSS | power_in | Digital ground. |+| 95 | RD | output | External memory read strobe output; activated for every external instruction or data read access. |+| 96 | WR/WRL | output | External memory write strobe output; WR-mode activated for every external data write access; WRL-mode for low byte writes on 16-bit bus or every write on 8-bit bus. |+| 97 | READY | input | Ready input with programmable active level; when enabled, inactive level during external memory access forces wait-state insertion until pin returns to active level. |+| 98 | ALE | output | Address latch enable output; provides address line latch command for external addressing or multiplexed bus mode. |+| 99 | EA/VSTBY | input | External access enable input; low level during/after reset forces program start from external memory, high level forces internal memory startup; 4.5-5.5V during operation, 4.0-6.0V for standby bias. |+| 100 | P0L.0 | bidirectional | Port 0 lower bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D0, multiplexed bus mode address/data AD0. |+| 101 | P0L.1 | bidirectional | Port 0 lower bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D1, multiplexed bus mode address/data AD1. |+| 102 | P0L.2 | bidirectional | Port 0 lower bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D2, multiplexed bus mode address/data AD2. |+| 103 | P0L.3 | bidirectional | Port 0 lower bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D3, multiplexed bus mode address/data AD3. |+| 104 | P0L.4 | bidirectional | Port 0 lower bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D4, multiplexed bus mode address/data AD4. |+| 105 | P0L.5 | bidirectional | Port 0 lower bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D5, multiplexed bus mode address/data AD5. |+| 106 | P0L.6 | bidirectional | Port 0 lower bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D6, multiplexed bus mode address/data AD6. |+| 107 | P0L.7 | bidirectional | Port 0 lower bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D7, multiplexed bus mode address/data AD7. |+| 108 | P0H.0 | bidirectional | Port 0 upper bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D8, multiplexed bus mode address/data AD8. |+| 109 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 110 | VSS | power_in | Digital ground. |+| 111 | P0H.1 | bidirectional | Port 0 upper bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D9, multiplexed bus mode address/data AD9. |+| 112 | P0H.2 | bidirectional | Port 0 upper bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D10, multiplexed bus mode address/data AD10. |+| 113 | P0H.3 | bidirectional | Port 0 upper bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D11, multiplexed bus mode address/data AD11. |+| 114 | P0H.4 | bidirectional | Port 0 upper bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D12, multiplexed bus mode address/data AD12. |+| 115 | P0H.5 | bidirectional | Port 0 upper bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D13, multiplexed bus mode address/data AD13. |+| 116 | P0H.6 | bidirectional | Port 0 upper bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D14, multiplexed bus mode address/data AD14. |+| 117 | P0H.7 | bidirectional | Port 0 upper bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D15, multiplexed bus mode address/data AD15. |+| 118 | P1L.0 | bidirectional | Port 1 lower bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A0; analog input channel AN16 with priority. |+| 119 | P1L.1 | bidirectional | Port 1 lower bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A1; analog input channel AN17 with priority. |+| 120 | P1L.2 | bidirectional | Port 1 lower bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A2; analog input channel AN18 with priority. |+| 121 | P1L.3 | bidirectional | Port 1 lower bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A3; analog input channel AN19 with priority. |+| 122 | P1L.4 | bidirectional | Port 1 lower bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A4; analog input channel AN20 with priority. |+| 123 | P1L.5 | bidirectional | Port 1 lower bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A5; analog input channel AN21 with priority. |+| 124 | P1L.6 | bidirectional | Port 1 lower bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A6; analog input channel AN22 with priority. |+| 125 | P1L.7 | bidirectional | Port 1 lower bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A7; analog input channel AN23 with priority. |+| 126 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 127 | VSS | power_in | Digital ground. |+| 128 | P1H.0 | bidirectional | Port 1 upper bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A8; alternate function CC24IO (CAPCOM2 capture/compare). |+| 129 | P1H.1 | bidirectional | Port 1 upper bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A9; alternate function CC25IO (CAPCOM2 capture/compare). |+| 130 | P1H.2 | bidirectional | Port 1 upper bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A10. |+| 131 | P1H.3 | bidirectional | Port 1 upper bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A11. |+| 132 | P1H.4 | bidirectional | Port 1 upper bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A12; alternate function CC24IO (CAPCOM2 capture/compare). |+| 133 | P1H.5 | bidirectional | Port 1 upper bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A13; alternate function CC25IO (CAPCOM2 capture/compare). |+| 134 | P1H.6 | bidirectional | Port 1 upper bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A14; alternate function CC26IO (CAPCOM2 capture/compare). |+| 135 | P1H.7 | bidirectional | Port 1 upper bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A15; alternate function CC27IO (CAPCOM2 capture/compare). |+| 136 | VDD | power_in | Digital supply voltage +5V ±10% during normal operation, idle and power-down modes. |+| 137 | XTAL2 | output | Main oscillator amplifier circuit output; leave unconnected when driving XTAL1 directly from external source. |+| 138 | XTAL1 | input | Main oscillator amplifier circuit input and/or external clock input for CPU clock generation. |+| 139 | VSS | power_in | Digital ground. |+| 140 | RSTIN | input | Reset input with CMOS Schmitt-trigger characteristics; low level for specified duration resets device; internal pull-up permits power-on reset with capacitor to VSS. |+| 141 | RSTOUT | output | Internal reset indication output; driven low during hardware, software, or watchdog timer reset until EINIT instruction execution. |+| 142 | NMI | input | Non-maskable interrupt input; high-to-low transition vectors CPU to NMI trap routine; must be pulled high externally if not used. |+| 143 | XTAL3 | input | 32kHz oscillator amplifier circuit input; must use crystal oscillator, not external clock source; tie to ground if not used. |+| 144 | XTAL4 | output | 32kHz oscillator amplifier circuit output; leave open when 32kHz oscillator not used. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-144(20x20) |+| Category | Embedded Processors & Controllers |+| Pins | 144 |++## CAD (KiCad official)++- Symbol: `ST10F276Z5T3`+- Footprint: `Package_QFP:LQFP-144_20x20mm_P0.5mm`+- 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)+- 3D model files: `st10f276z5t3-etched.step` / `st10f276z5t3-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `st10f276z5t3.step` / `st10f276z5t3.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588924028476538880) (240 pp, sha256 `7787cf3fb6171d2c`, retrieved 2026-10-05, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/st10f276z5t3-datasheet.pdf)
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Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "st10f276z5t3",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "st10f276z5t3.kicad_sym",+ "st10f276z5t3.kicad_mod",+ "st10f276z5t3.glb",+ "st10f276z5t3.step",+ "st10f276z5t3.lbr",+ "docs/hero.png",+ "docs/st10f276z5t3-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "st10f276z5t3-hero.glb",+ "st10f276z5t3-hero.overlay.json"+ ],+ "component": {+ "mpn": "ST10F276Z5T3",+ "manufacturer": "STMicroelectronics",+ "package": "LQFP-144(20x20)",+ "pin_count": 144,+ "category": "Embedded Processors & Controllers",+ "subcategory": "Microcontrollers (MCU/MPU/SOC)",+ "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588924028476538880",+ "parts": {+ "symbol": "st10f276z5t3.kicad_sym",+ "footprint": "st10f276z5t3.kicad_mod",+ "model_3d": "st10f276z5t3-hero.glb",+ "model_3d_plain": "st10f276z5t3.glb",+ "model_3d_step": "st10f276z5t3-etched.step",+ "model_3d_step_plain": "st10f276z5t3.step",+ "lbr": "st10f276z5t3.lbr"+ },+ "distributor_links": {+ "lcsc": 1340853,+ "digikey": "497-19635-ND",+ "mouser": "511-ST10F276Z5T3"+ },+ "distributor_check": {+ "checked_at": "2026-10-05T20:24:39Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-19635-ND",+ "status": "found",+ "lifecycle": "Obsolete"+ },+ "mouser": {+ "pn": "511-ST10F276Z5T3",+ "status": "found",+ "lifecycle": "Obsolete"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "P6.0",+ "type": "bidirectional",+ "description": "Port 6 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 0 output."+ },+ {+ "number": "2",+ "name": "P6.1",+ "type": "bidirectional",+ "description": "Port 6 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 1 output."+ },+ {+ "number": "3",+ "name": "P6.2",+ "type": "bidirectional",+ "description": "Port 6 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 2 output."+ },+ {+ "number": "4",+ "name": "P6.3",+ "type": "bidirectional",+ "description": "Port 6 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 3 output."+ },+ {+ "number": "5",+ "name": "P6.4",+ "type": "bidirectional",+ "description": "Port 6 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function Chip Select 4 output."+ },+ {+ "number": "6",+ "name": "P6.5",+ "type": "bidirectional",+ "description": "Port 6 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions HOLD (external master hold request input) or SCLK1 (SSC1 master clock output/slave clock input)."+ },+ {+ "number": "7",+ "name": "P6.6",+ "type": "bidirectional",+ "description": "Port 6 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions HLDA (hold acknowledge output) or MTSR1 (SSC1 master-transmitter/slave-receiver)."+ },+ {+ "number": "8",+ "name": "P6.7",+ "type": "bidirectional",+ "description": "Port 6 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions BREQ (bus request output) or MRST1 (SSC1 master-receiver/slave-transmitter)."+ },+ {+ "number": "9",+ "name": "P8.0",+ "type": "bidirectional",+ "description": "Port 8 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM0 (PWM1 channel 0 output) or CC16IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "10",+ "name": "P8.1",+ "type": "bidirectional",+ "description": "Port 8 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM1 (PWM1 channel 1 output) or CC17IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "11",+ "name": "P8.2",+ "type": "bidirectional",+ "description": "Port 8 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM2 (PWM1 channel 2 output) or CC18IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "12",+ "name": "P8.3",+ "type": "bidirectional",+ "description": "Port 8 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions XPWM3 (PWM1 channel 3 output) or CC19IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "13",+ "name": "P8.4",+ "type": "bidirectional",+ "description": "Port 8 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC20IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "14",+ "name": "P8.5",+ "type": "bidirectional",+ "description": "Port 8 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC21IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "15",+ "name": "P8.6",+ "type": "bidirectional",+ "description": "Port 8 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions RxD1 (ASC1 data input asynchronous or I/O synchronous) or CC22IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "16",+ "name": "P8.7",+ "type": "bidirectional",+ "description": "Port 8 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions TxD1 (ASC1 clock/data output asynchronous/synchronous) or CC23IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "18",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "19",+ "name": "P7.0",+ "type": "bidirectional",+ "description": "Port 7 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT0 (PWM0 channel 0 output)."+ },+ {+ "number": "20",+ "name": "P7.1",+ "type": "bidirectional",+ "description": "Port 7 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT1 (PWM0 channel 1 output)."+ },+ {+ "number": "21",+ "name": "P7.2",+ "type": "bidirectional",+ "description": "Port 7 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT2 (PWM0 channel 2 output)."+ },+ {+ "number": "22",+ "name": "P7.3",+ "type": "bidirectional",+ "description": "Port 7 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function POUT3 (PWM0 channel 3 output)."+ },+ {+ "number": "23",+ "name": "P7.4",+ "type": "bidirectional",+ "description": "Port 7 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC28IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "24",+ "name": "P7.5",+ "type": "bidirectional",+ "description": "Port 7 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC29IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "25",+ "name": "P7.6",+ "type": "bidirectional",+ "description": "Port 7 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC30IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "26",+ "name": "P7.7",+ "type": "bidirectional",+ "description": "Port 7 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC31IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "27",+ "name": "P5.0",+ "type": "input",+ "description": "Port 5 bit 0: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN0 or timer input."+ },+ {+ "number": "28",+ "name": "P5.1",+ "type": "input",+ "description": "Port 5 bit 1: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN1 or timer input."+ },+ {+ "number": "29",+ "name": "P5.2",+ "type": "input",+ "description": "Port 5 bit 2: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN2 or timer input."+ },+ {+ "number": "30",+ "name": "P5.3",+ "type": "input",+ "description": "Port 5 bit 3: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN3 or timer input."+ },+ {+ "number": "31",+ "name": "P5.4",+ "type": "input",+ "description": "Port 5 bit 4: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN4 or timer input."+ },+ {+ "number": "32",+ "name": "P5.5",+ "type": "input",+ "description": "Port 5 bit 5: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN5 or timer input."+ },+ {+ "number": "33",+ "name": "P5.6",+ "type": "input",+ "description": "Port 5 bit 6: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN6 or timer input."+ },+ {+ "number": "34",+ "name": "P5.7",+ "type": "input",+ "description": "Port 5 bit 7: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN7 or timer input."+ },+ {+ "number": "35",+ "name": "P5.8",+ "type": "input",+ "description": "Port 5 bit 8: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN8 or timer input."+ },+ {+ "number": "36",+ "name": "P5.9",+ "type": "input",+ "description": "Port 5 bit 9: 16-bit input-only with Schmitt-trigger characteristics, selectable TTL/CMOS threshold; analog input channel AN9 or timer input."+ },+ {+ "number": "37",+ "name": "VAREF",+ "type": "passive",+ "description": "A/D converter reference voltage and analog supply for analog circuit biasing."+ },+ {+ "number": "38",+ "name": "VAGND",+ "type": "passive",+ "description": "A/D converter reference and analog ground."+ },+ {+ "number": "39",+ "name": "P5.10",+ "type": "input",+ "description": "Port 5 bit 10: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN10 or alternate function T6EUD (GPT2 timer T6 external up/down control input)."+ },+ {+ "number": "40",+ "name": "P5.11",+ "type": "input",+ "description": "Port 5 bit 11: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN11 or alternate function T5EUD (GPT2 timer T5 external up/down control input)."+ },+ {+ "number": "41",+ "name": "P5.12",+ "type": "input",+ "description": "Port 5 bit 12: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN12 or alternate function T6IN (GPT2 timer T6 count input)."+ },+ {+ "number": "42",+ "name": "P5.13",+ "type": "input",+ "description": "Port 5 bit 13: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN13 or alternate function T5IN (GPT2 timer T5 count input)."+ },+ {+ "number": "43",+ "name": "P5.14",+ "type": "input",+ "description": "Port 5 bit 14: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN14 or alternate function T4EUD (GPT1 timer T4 external up/down control input)."+ },+ {+ "number": "44",+ "name": "P5.15",+ "type": "input",+ "description": "Port 5 bit 15: 16-bit input-only with Schmitt-trigger characteristics; analog input channel AN15 or alternate function T2EUD (GPT1 timer T2 external up/down control input)."+ },+ {+ "number": "45",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "46",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "47",+ "name": "P2.0",+ "type": "bidirectional",+ "description": "Port 2 bit 0: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC0IO (CAPCOM capture/compare)."+ },+ {+ "number": "48",+ "name": "P2.1",+ "type": "bidirectional",+ "description": "Port 2 bit 1: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC1IO (CAPCOM capture/compare)."+ },+ {+ "number": "49",+ "name": "P2.2",+ "type": "bidirectional",+ "description": "Port 2 bit 2: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC2IO (CAPCOM capture/compare)."+ },+ {+ "number": "50",+ "name": "P2.3",+ "type": "bidirectional",+ "description": "Port 2 bit 3: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC3IO (CAPCOM capture/compare)."+ },+ {+ "number": "51",+ "name": "P2.4",+ "type": "bidirectional",+ "description": "Port 2 bit 4: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC4IO (CAPCOM capture/compare)."+ },+ {+ "number": "52",+ "name": "P2.5",+ "type": "bidirectional",+ "description": "Port 2 bit 5: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC5IO (CAPCOM capture/compare)."+ },+ {+ "number": "53",+ "name": "P2.6",+ "type": "bidirectional",+ "description": "Port 2 bit 6: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC6IO (CAPCOM capture/compare)."+ },+ {+ "number": "54",+ "name": "P2.7",+ "type": "bidirectional",+ "description": "Port 2 bit 7: 16-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CC7IO (CAPCOM capture/compare)."+ },+ {+ "number": "55",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "56",+ "name": "V18",+ "type": "power_out",+ "description": "1.8V decoupling pin; 10nF typical (max 100nF) decoupling capacitor required between this pin and nearest VSS."+ },+ {+ "number": "57",+ "name": "P2.8",+ "type": "bidirectional",+ "description": "Port 2 bit 8: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC8IO (CAPCOM capture/compare) or EX0IN (fast external interrupt 0 input)."+ },+ {+ "number": "58",+ "name": "P2.9",+ "type": "bidirectional",+ "description": "Port 2 bit 9: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC9IO (CAPCOM capture/compare) or EX1IN (fast external interrupt 1 input)."+ },+ {+ "number": "59",+ "name": "P2.10",+ "type": "bidirectional",+ "description": "Port 2 bit 10: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC10IO (CAPCOM capture/compare) or EX2IN (fast external interrupt 2 input)."+ },+ {+ "number": "60",+ "name": "P2.11",+ "type": "bidirectional",+ "description": "Port 2 bit 11: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC11IO (CAPCOM capture/compare) or EX3IN (fast external interrupt 3 input)."+ },+ {+ "number": "61",+ "name": "P2.12",+ "type": "bidirectional",+ "description": "Port 2 bit 12: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC12IO (CAPCOM capture/compare) or EX4IN (fast external interrupt 4 input)."+ },+ {+ "number": "62",+ "name": "P2.13",+ "type": "bidirectional",+ "description": "Port 2 bit 13: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC13IO (CAPCOM capture/compare) or EX5IN (fast external interrupt 5 input)."+ },+ {+ "number": "63",+ "name": "P2.14",+ "type": "bidirectional",+ "description": "Port 2 bit 14: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC14IO (CAPCOM capture/compare) or EX6IN (fast external interrupt 6 input)."+ },+ {+ "number": "64",+ "name": "P2.15",+ "type": "bidirectional",+ "description": "Port 2 bit 15: 16-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate functions CC15IO (CAPCOM capture/compare), EX7IN (fast external interrupt 7 input), or T7IN (CAPCOM2 timer T7 count input)."+ },+ {+ "number": "65",+ "name": "P3.0",+ "type": "bidirectional",+ "description": "Port 3 bit 0: 15-bit (P3.14 missing) bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T0IN (CAPCOM1 timer T0 count input)."+ },+ {+ "number": "66",+ "name": "P3.1",+ "type": "bidirectional",+ "description": "Port 3 bit 1: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T6OUT (GPT2 timer T6 toggle latch output)."+ },+ {+ "number": "67",+ "name": "P3.2",+ "type": "bidirectional",+ "description": "Port 3 bit 2: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CAPIN (GPT2 register CAPREL capture input)."+ },+ {+ "number": "68",+ "name": "P3.3",+ "type": "bidirectional",+ "description": "Port 3 bit 3: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T3OUT (GPT1 timer T3 toggle latch output)."+ },+ {+ "number": "69",+ "name": "P3.4",+ "type": "bidirectional",+ "description": "Port 3 bit 4: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T3EUD (GPT1 timer T3 external up/down control input)."+ },+ {+ "number": "70",+ "name": "P3.5",+ "type": "bidirectional",+ "description": "Port 3 bit 5: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T4IN (GPT1 timer T4 count/gate/reload/capture input)."+ },+ {+ "number": "71",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "72",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "73",+ "name": "P3.6",+ "type": "bidirectional",+ "description": "Port 3 bit 6: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T3IN (GPT1 timer T3 count/gate input)."+ },+ {+ "number": "74",+ "name": "P3.7",+ "type": "bidirectional",+ "description": "Port 3 bit 7: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function T2IN (GPT1 timer T2 count/gate/reload/capture input)."+ },+ {+ "number": "75",+ "name": "P3.8",+ "type": "bidirectional",+ "description": "Port 3 bit 8: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function MRST0 (SSC0 master-receiver/slave-transmitter I/O)."+ },+ {+ "number": "76",+ "name": "P3.9",+ "type": "bidirectional",+ "description": "Port 3 bit 9: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function MTSR0 (SSC0 master-transmitter/slave-receiver O/I)."+ },+ {+ "number": "77",+ "name": "P3.10",+ "type": "bidirectional",+ "description": "Port 3 bit 10: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function TxD0 (ASC0 clock/data output asynchronous/synchronous)."+ },+ {+ "number": "78",+ "name": "P3.11",+ "type": "bidirectional",+ "description": "Port 3 bit 11: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function RxD0 (ASC0 data input asynchronous or I/O synchronous)."+ },+ {+ "number": "79",+ "name": "P3.12",+ "type": "bidirectional",+ "description": "Port 3 bit 12: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate functions BHE (external memory high byte enable) or WRH (external memory high byte write strobe)."+ },+ {+ "number": "80",+ "name": "P3.13",+ "type": "bidirectional",+ "description": "Port 3 bit 13: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function SCLK0 (SSC0 master clock output/slave clock input)."+ },+ {+ "number": "81",+ "name": "P3.15",+ "type": "bidirectional",+ "description": "Port 3 bit 15: 15-bit bidirectional I/O with selectable TTL/CMOS threshold and programmable push-pull/open-drain output; alternate function CLKOUT (system clock output with programmable divider)."+ },+ {+ "number": "82",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "83",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "84",+ "name": "RPD",+ "type": "passive",+ "description": "Timing pin for return from interruptible power-down mode and synchronous/asynchronous reset selection."+ },+ {+ "number": "85",+ "name": "P4.0",+ "type": "bidirectional",+ "description": "Port 4 bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A16 (segment address line)."+ },+ {+ "number": "86",+ "name": "P4.1",+ "type": "bidirectional",+ "description": "Port 4 bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A17 (segment address line)."+ },+ {+ "number": "87",+ "name": "P4.2",+ "type": "bidirectional",+ "description": "Port 4 bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A18 (segment address line)."+ },+ {+ "number": "88",+ "name": "P4.3",+ "type": "bidirectional",+ "description": "Port 4 bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; alternate function A19 (segment address line)."+ },+ {+ "number": "89",+ "name": "P4.4",+ "type": "bidirectional",+ "description": "Port 4 bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A20 (segment address line), CAN2_RxD (CAN2 receive data input), or SCL (I2C serial clock)."+ },+ {+ "number": "90",+ "name": "P4.5",+ "type": "bidirectional",+ "description": "Port 4 bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A21 (segment address line), CAN1_RxD (CAN1 receive data input), or CAN2_RxD (CAN2 receive data input)."+ },+ {+ "number": "91",+ "name": "P4.6",+ "type": "bidirectional",+ "description": "Port 4 bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A22 (segment address line), CAN1_TxD (CAN1 transmit data output), or CAN2_TxD (CAN2 transmit data output)."+ },+ {+ "number": "92",+ "name": "P4.7",+ "type": "bidirectional",+ "description": "Port 4 bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold and push-pull/open-drain output; alternate functions A23 (most significant segment address line), CAN2_TxD (CAN2 transmit data output), or SDA (I2C serial data)."+ },+ {+ "number": "93",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "94",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "95",+ "name": "RD",+ "type": "output",+ "description": "External memory read strobe output; activated for every external instruction or data read access."+ },+ {+ "number": "96",+ "name": "WR/WRL",+ "type": "output",+ "description": "External memory write strobe output; WR-mode activated for every external data write access; WRL-mode for low byte writes on 16-bit bus or every write on 8-bit bus."+ },+ {+ "number": "97",+ "name": "READY",+ "type": "input",+ "description": "Ready input with programmable active level; when enabled, inactive level during external memory access forces wait-state insertion until pin returns to active level."+ },+ {+ "number": "98",+ "name": "ALE",+ "type": "output",+ "description": "Address latch enable output; provides address line latch command for external addressing or multiplexed bus mode."+ },+ {+ "number": "99",+ "name": "EA/VSTBY",+ "type": "input",+ "description": "External access enable input; low level during/after reset forces program start from external memory, high level forces internal memory startup; 4.5-5.5V during operation, 4.0-6.0V for standby bias."+ },+ {+ "number": "100",+ "name": "P0L.0",+ "type": "bidirectional",+ "description": "Port 0 lower bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D0, multiplexed bus mode address/data AD0."+ },+ {+ "number": "101",+ "name": "P0L.1",+ "type": "bidirectional",+ "description": "Port 0 lower bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D1, multiplexed bus mode address/data AD1."+ },+ {+ "number": "102",+ "name": "P0L.2",+ "type": "bidirectional",+ "description": "Port 0 lower bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D2, multiplexed bus mode address/data AD2."+ },+ {+ "number": "103",+ "name": "P0L.3",+ "type": "bidirectional",+ "description": "Port 0 lower bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D3, multiplexed bus mode address/data AD3."+ },+ {+ "number": "104",+ "name": "P0L.4",+ "type": "bidirectional",+ "description": "Port 0 lower bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D4, multiplexed bus mode address/data AD4."+ },+ {+ "number": "105",+ "name": "P0L.5",+ "type": "bidirectional",+ "description": "Port 0 lower bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D5, multiplexed bus mode address/data AD5."+ },+ {+ "number": "106",+ "name": "P0L.6",+ "type": "bidirectional",+ "description": "Port 0 lower bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D6, multiplexed bus mode address/data AD6."+ },+ {+ "number": "107",+ "name": "P0L.7",+ "type": "bidirectional",+ "description": "Port 0 lower bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D7, multiplexed bus mode address/data AD7."+ },+ {+ "number": "108",+ "name": "P0H.0",+ "type": "bidirectional",+ "description": "Port 0 upper bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D8, multiplexed bus mode address/data AD8."+ },+ {+ "number": "109",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "110",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "111",+ "name": "P0H.1",+ "type": "bidirectional",+ "description": "Port 0 upper bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D9, multiplexed bus mode address/data AD9."+ },+ {+ "number": "112",+ "name": "P0H.2",+ "type": "bidirectional",+ "description": "Port 0 upper bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D10, multiplexed bus mode address/data AD10."+ },+ {+ "number": "113",+ "name": "P0H.3",+ "type": "bidirectional",+ "description": "Port 0 upper bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D11, multiplexed bus mode address/data AD11."+ },+ {+ "number": "114",+ "name": "P0H.4",+ "type": "bidirectional",+ "description": "Port 0 upper bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D12, multiplexed bus mode address/data AD12."+ },+ {+ "number": "115",+ "name": "P0H.5",+ "type": "bidirectional",+ "description": "Port 0 upper bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D13, multiplexed bus mode address/data AD13."+ },+ {+ "number": "116",+ "name": "P0H.6",+ "type": "bidirectional",+ "description": "Port 0 upper bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D14, multiplexed bus mode address/data AD14."+ },+ {+ "number": "117",+ "name": "P0H.7",+ "type": "bidirectional",+ "description": "Port 0 upper bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode data bit D15, multiplexed bus mode address/data AD15."+ },+ {+ "number": "118",+ "name": "P1L.0",+ "type": "bidirectional",+ "description": "Port 1 lower bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A0; analog input channel AN16 with priority."+ },+ {+ "number": "119",+ "name": "P1L.1",+ "type": "bidirectional",+ "description": "Port 1 lower bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A1; analog input channel AN17 with priority."+ },+ {+ "number": "120",+ "name": "P1L.2",+ "type": "bidirectional",+ "description": "Port 1 lower bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A2; analog input channel AN18 with priority."+ },+ {+ "number": "121",+ "name": "P1L.3",+ "type": "bidirectional",+ "description": "Port 1 lower bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A3; analog input channel AN19 with priority."+ },+ {+ "number": "122",+ "name": "P1L.4",+ "type": "bidirectional",+ "description": "Port 1 lower bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A4; analog input channel AN20 with priority."+ },+ {+ "number": "123",+ "name": "P1L.5",+ "type": "bidirectional",+ "description": "Port 1 lower bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A5; analog input channel AN21 with priority."+ },+ {+ "number": "124",+ "name": "P1L.6",+ "type": "bidirectional",+ "description": "Port 1 lower bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A6; analog input channel AN22 with priority."+ },+ {+ "number": "125",+ "name": "P1L.7",+ "type": "bidirectional",+ "description": "Port 1 lower bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A7; analog input channel AN23 with priority."+ },+ {+ "number": "126",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "127",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "128",+ "name": "P1H.0",+ "type": "bidirectional",+ "description": "Port 1 upper bit 0: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A8; alternate function CC24IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "129",+ "name": "P1H.1",+ "type": "bidirectional",+ "description": "Port 1 upper bit 1: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A9; alternate function CC25IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "130",+ "name": "P1H.2",+ "type": "bidirectional",+ "description": "Port 1 upper bit 2: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A10."+ },+ {+ "number": "131",+ "name": "P1H.3",+ "type": "bidirectional",+ "description": "Port 1 upper bit 3: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A11."+ },+ {+ "number": "132",+ "name": "P1H.4",+ "type": "bidirectional",+ "description": "Port 1 upper bit 4: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A12; alternate function CC24IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "133",+ "name": "P1H.5",+ "type": "bidirectional",+ "description": "Port 1 upper bit 5: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A13; alternate function CC25IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "134",+ "name": "P1H.6",+ "type": "bidirectional",+ "description": "Port 1 upper bit 6: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A14; alternate function CC26IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "135",+ "name": "P1H.7",+ "type": "bidirectional",+ "description": "Port 1 upper bit 7: 8-bit bidirectional I/O with selectable TTL/CMOS threshold; demultiplexed bus mode address bit A15; alternate function CC27IO (CAPCOM2 capture/compare)."+ },+ {+ "number": "136",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply voltage +5V ±10% during normal operation, idle and power-down modes."+ },+ {+ "number": "137",+ "name": "XTAL2",+ "type": "output",+ "description": "Main oscillator amplifier circuit output; leave unconnected when driving XTAL1 directly from external source."+ },+ {+ "number": "138",+ "name": "XTAL1",+ "type": "input",+ "description": "Main oscillator amplifier circuit input and/or external clock input for CPU clock generation."+ },+ {+ "number": "139",+ "name": "VSS",+ "type": "power_in",+ "description": "Digital ground."+ },+ {+ "number": "140",+ "name": "RSTIN",+ "type": "input",+ "description": "Reset input with CMOS Schmitt-trigger characteristics; low level for specified duration resets device; internal pull-up permits power-on reset with capacitor to VSS."+ },+ {+ "number": "141",+ "name": "RSTOUT",+ "type": "output",+ "description": "Internal reset indication output; driven low during hardware, software, or watchdog timer reset until EINIT instruction execution."+ },+ {+ "number": "142",+ "name": "NMI",+ "type": "input",+ "description": "Non-maskable interrupt input; high-to-low transition vectors CPU to NMI trap routine; must be pulled high externally if not used."+ },+ {+ "number": "143",+ "name": "XTAL3",+ "type": "input",+ "description": "32kHz oscillator amplifier circuit input; must use crystal oscillator, not external clock source; tie to ground if not used."+ },+ {+ "number": "144",+ "name": "XTAL4",+ "type": "output",+ "description": "32kHz oscillator amplifier circuit output; leave open when 32kHz oscillator not used."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-4-5-20251001",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: P3.14 missing: Datasheet states '15-bit (P3.14 is missing) bidirectional I/O port' for Port 3 on pag",+ "20/144 pins cited to the wrong page (name found elsewhere): ['101:P0L.1@p22', '102:P0L.2@p22', '103:P0L.3@p22', '104:P0L.4@p22']"+ ],+ "pages_sent": 70,+ "cost_usd": 0.5999,+ "at": "2026-10-05T20:23:53"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588924028476538880",+ "pages": 240,+ "sha256": "7787cf3fb6171d2c",+ "source_tier": "lcsc"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 144,+ "described": 144,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}