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STM32F446ZET7
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-144(20x20). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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README.mdadded+180@@ -0,0 +1,180 @@+# STM32F446ZET7++**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-144(20x20)++STM32F446ZET7 from STMicroelectronics, in a LQFP-144(20x20). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model, then checked against ST open pin data); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | PE2 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACECLK, SPI4_SCK, SAI1_MCLK_A, QUADSPI_BK1_IO2, FMC_A23, EVENTOUT. |+| 2 | PE3 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED0, SAI1_SD_B, FMC_A19, EVENTOUT. |+| 3 | PE4 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED1, SPI4_NSS, SAI1_FS_A, FMC_A20, DCMI_D4, EVENTOUT. |+| 4 | PE5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED2, TIM9_CH1, SPI4_MISO, SAI1_SCK_A, FMC_A21, DCMI_D6, EVENTOUT. |+| 5 | PE6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED3, TIM9_CH2, SPI4_MOSI, SAI1_SD_A, FMC_A22, DCMI_D7, EVENTOUT. |+| 6 | VBAT | power_in | Supply for the RTC, the 20x32-bit backup registers and the optional 4 KB backup SRAM (VBAT supply). |+| 7 | PC13 | bidirectional | 5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: TAMP_1/WKUP1. |+| 8 | PC14-OSC32_IN | bidirectional | 5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC32_IN (32 kHz oscillator input for the RTC). |+| 9 | PC15-OSC32_OUT | bidirectional | 5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC32_OUT (32 kHz oscillator output for the RTC). |+| 10 | PF0 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: I2C2_SDA, FMC_A0, EVENTOUT. |+| 11 | PF1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: I2C2_SCL, FMC_A1, EVENTOUT. |+| 12 | PF2 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: I2C2_SMBA, FMC_A2, EVENTOUT. |+| 13 | PF3 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A3, EVENTOUT; additional function: ADC3_IN9. |+| 14 | PF4 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A4, EVENTOUT; additional function: ADC3_IN14. |+| 15 | PF5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A5, EVENTOUT; additional function: ADC3_IN15. |+| 16 | VSS | power_in | Ground pin. |+| 17 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 18 | PF6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM10_CH1, SAI1_SD_B, QUADSPI_BK1_IO3, EVENTOUT; additional function: ADC3_IN4. |+| 19 | PF7 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM11_CH1, SAI1_MCLK_B, QUADSPI_BK1_IO2, EVENTOUT; additional function: ADC3_IN5. |+| 20 | PF8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SAI1_SCK_B, TIM13_CH1, QUADSPI_BK1_IO0, EVENTOUT; additional function: ADC3_IN6. |+| 21 | PF9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SAI1_FS_B, TIM14_CH1, QUADSPI_BK1_IO1, EVENTOUT; additional function: ADC3_IN7. |+| 22 | PF10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: DCMI_D11, EVENTOUT; additional function: ADC3_IN8. |+| 23 | PH0-OSC_IN | bidirectional | 5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC_IN (crystal oscillator input). |+| 24 | PH1-OSC_OUT | bidirectional | 5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC_OUT (crystal oscillator output). |+| 25 | NRST | bidirectional | Bidirectional reset pin with weak pull-up resistor (RST I/O structure). |+| 26 | PC0 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SAI1_MCLK_B, OTG_HS_ULPI_STP, FMC_SDNWE, EVENTOUT; additional function: ADC123_IN10. |+| 27 | PC1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI3_MOSI/I2S3_SD, SAI1_SD_A, SPI2_MOSI/I2S2_SD, EVENTOUT; additional function: ADC123_IN11. |+| 28 | PC2 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI2_MISO, OTG_HS_ULPI_DIR, FMC_SDNE0, EVENTOUT; additional function: ADC123_IN12. |+| 29 | PC3 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT, FMC_SDCKE0, EVENTOUT; additional function: ADC123_IN13. |+| 30 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 31 | VSSA | power_in | Analog ground pin. |+| 32 | VREF+ | power_in | Input voltage reference VREF+ for the ADC and DAC. |+| 33 | VDDA | power_in | Analog supply pin; no voltage range for this pin is given in the datasheet text provided. |+| 34 | PA0-WKUP | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, EVENTOUT; additional functions: ADC123_IN0, WKUP0/TAMP_2. |+| 35 | PA1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, SAI2_MCLK_B, EVENTOUT; additional function: ADC123_IN1. |+| 36 | PA2 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, SAI2_SCK_B, EVENTOUT; additional function: ADC123_IN2. |+| 37 | PA3 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH4, TIM5_CH4, TIM9_CH2, SAI1_FS_A, USART2_RX, OTG_HS_ULPI_D0, EVENTOUT; additional function: ADC123_IN3. |+| 38 | VSS | power_in | Ground pin. |+| 39 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 40 | PA4 | bidirectional | 3.3 V-tolerant I/O (TTa) directly connected to the ADC; alternate functions: SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, OTG_HS_SOF, DCMI_HSYNC, EVENTOUT; additional functions: ADC12_IN4, DAC_OUT1. |+| 41 | PA5 | bidirectional | 3.3 V-tolerant I/O (TTa) directly connected to the ADC; alternate functions: TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, OTG_HS_ULPI_CK, EVENTOUT; additional functions: ADC12_IN5, DAC_OUT2. |+| 42 | PA6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, TIM13_CH1, DCMI_PIXCLK, EVENTOUT; additional function: ADC12_IN6. |+| 43 | PA7 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, TIM14_CH1, FMC_SDNWE, EVENTOUT; additional function: ADC12_IN7. |+| 44 | PC4 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: I2S1_MCK, SPDIFRX_IN2, FMC_SDNE0, EVENTOUT; additional function: ADC12_IN14. |+| 45 | PC5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART3_RX, SPDIFRX_IN3, FMC_SDCKE0, EVENTOUT; additional function: ADC12_IN15. |+| 46 | PB0 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI3_MOSI/I2S3_SD, UART4_CTS, OTG_HS_ULPI_D1, SDIO_D1, EVENTOUT; additional function: ADC12_IN8. |+| 47 | PB1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH3N, TIM3_CH4, TIM8_CH3N, OTG_HS_ULPI_D2, SDIO_D2, EVENTOUT; additional function: ADC12_IN9. |+| 48 | PB2-BOOT1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH4, SAI1_SD_A, SPI3_MOSI/I2S3_SD, QUADSPI_CLK, OTG_HS_ULPI_D4, SDIO_CK, EVENTOUT; BOOT1 is the function of this pin after reset-option configuration as printed in the table. |+| 49 | PF11 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SAI2_SD_B, FMC_SDNRAS, DCMI_D12, EVENTOUT. |+| 50 | PF12 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A6, EVENTOUT. |+| 51 | VSS | power_in | Ground pin. |+| 52 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 53 | PF13 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMPI2C1_SMBA, FMC_A7, EVENTOUT. |+| 54 | PF14 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: FMPI2C1_SCL, FMC_A8, EVENTOUT. |+| 55 | PF15 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: FMPI2C1_SDA, FMC_A9, EVENTOUT. |+| 56 | PG0 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A10, EVENTOUT. |+| 57 | PG1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A11, EVENTOUT. |+| 58 | PE7 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_ETR, UART5_RX, QUADSPI_BK2_IO0, FMC_D4, EVENTOUT. |+| 59 | PE8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH1N, UART5_TX, QUADSPI_BK2_IO1, FMC_D5, EVENTOUT. |+| 60 | PE9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH1, QUADSPI_BK2_IO2, FMC_D6, EVENTOUT. |+| 61 | VSS | power_in | Ground pin. |+| 62 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 63 | PE10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH2N, QUADSPI_BK2_IO3, FMC_D7, EVENTOUT. |+| 64 | PE11 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH2, SPI4_NSS, SAI2_SD_B, FMC_D8, EVENTOUT. |+| 65 | PE12 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH3N, SPI4_SCK, SAI2_SCK_B, FMC_D9, EVENTOUT. |+| 66 | PE13 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH3, SPI4_MISO, SAI2_FS_B, FMC_D10, EVENTOUT. |+| 67 | PE14 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH4, SPI4_MOSI, SAI2_MCLK_B, FMC_D11, EVENTOUT. |+| 68 | PE15 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_BKIN, FMC_D12, EVENTOUT. |+| 69 | PB10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, SAI1_SCK_A, USART3_TX, OTG_HS_ULPI_D3, EVENTOUT. |+| 70 | PB11 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH4, I2C2_SDA, USART3_RX, SAI2_SD_A, EVENTOUT. |+| 71 | VCAP_1 | power_in | Voltage regulator external capacitor connection (VCAP_1), see the VCAP_1/VCAP_2 external capacitor conditions. |+| 72 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 73 | PB12 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SAI1_SCK_B, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, OTG_HS_ID, EVENTOUT. |+| 74 | PB13 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH1N, SPI2_SCK/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6, EVENTOUT; additional function: OTG_HS_VBUS. |+| 75 | PB14 | bidirectional | 5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: TIM1_CH2N, TIM8_CH2N, SPI2_MISO, USART3_RTS, TIM12_CH1, OTG_HS_DM, EVENTOUT. |+| 76 | PB15 | bidirectional | 5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI/I2S2_SD, TIM12_CH2, OTG_HS_DP, EVENTOUT. |+| 77 | PD8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART3_TX, SPDIFRX_IN1, FMC_D13, EVENTOUT. |+| 78 | PD9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART3_RX, FMC_D14, EVENTOUT. |+| 79 | PD10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART3_CK, FMC_D15, EVENTOUT. |+| 80 | PD11 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMPI2C1_SMBA, USART3_CTS, QUADSPI_BK1_IO0, SAI2_SD_A, FMC_A16, EVENTOUT. |+| 81 | PD12 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH1, FMPI2C1_SCL, USART3_RTS, QUADSPI_BK1_IO1, SAI2_FS_A, FMC_A17, EVENTOUT. |+| 82 | PD13 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH2, FMPI2C1_SDA, QUADSPI_BK1_IO3, SAI2_SCK_A, FMC_A18, EVENTOUT. |+| 83 | VSS | power_in | Ground pin. |+| 84 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 85 | PD14 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH3, FMPI2C1_SCL, SAI2_SCK_A, FMC_D0, EVENTOUT. |+| 86 | PD15 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH4, FMPI2C1_SDA, FMC_D1, EVENTOUT. |+| 87 | PG2 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A12, EVENTOUT. |+| 88 | PG3 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A13, EVENTOUT. |+| 89 | PG4 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A14/FMC_BA0, EVENTOUT. |+| 90 | PG5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_A15/FMC_BA1, EVENTOUT. |+| 91 | PG6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: QUADSPI_BK1_NCS, DCMI_D12, EVENTOUT. |+| 92 | PG7 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART6_CK, FMC_INT, DCMI_D13, EVENTOUT. |+| 93 | PG8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPDIFRX_IN2, USART6_RTS, FMC_SDCLK, EVENTOUT. |+| 94 | VSS | power_in | Ground pin. |+| 95 | VDDUSB | power_in | Dedicated USB power rail enabling the on-chip USB PHYs to operate across the entire MCU supply range; also supplies PA11, PA12, PB14 and PB15. |+| 96 | PC6 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM3_CH1, TIM8_CH1, FMPI2C1_SCL, I2S2_MCK, USART6_TX, SDIO_D6, DCMI_D0, EVENTOUT. |+| 97 | PC7 | bidirectional | 5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM3_CH2, TIM8_CH2, FMPI2C1_SDA, SPI2_SCK/I2S2_CK, I2S3_MCK, SPDIFRX_IN1, USART6_RX, SDIO_D7, DCMI_D1, EVENTOUT. |+| 98 | PC8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED0, TIM3_CH3, TIM8_CH3, UART5_RTS, USART6_CK, SDIO_D0, DCMI_D2, EVENTOUT. |+| 99 | PC9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, SDIO_D1, DCMI_D3, EVENTOUT. |+| 100 | PA8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, OTG_FS_SOF, EVENTOUT. |+| 101 | PA9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH2, I2C3_SMBA, SPI2_SCK/I2S2_CK, SAI1_SD_B, USART1_TX, DCMI_D0, EVENTOUT; additional function: OTG_FS_VBUS. |+| 102 | PA10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM1_CH3, USART1_RX, OTG_FS_ID, DCMI_D1, EVENTOUT. |+| 103 | PA11 | bidirectional | 5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: TIM1_CH4, USART1_CTS, CAN1_RX, OTG_FS_DM, EVENTOUT. |+| 104 | PA12 | bidirectional | 5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: TIM1_ETR, USART1_RTS, SAI2_FS_B, CAN1_TX, OTG_FS_DP, EVENTOUT. |+| 105 | PA13 | bidirectional | 5 V-tolerant I/O (FT); alternate function: JTMS-SWDIO (SWD data I/O, shared with JTAG TMS), EVENTOUT. |+| 106 | VCAP_2 | power_in | Voltage regulator external capacitor connection (VCAP_2), see the VCAP_1/VCAP_2 external capacitor conditions. |+| 107 | VSS | power_in | Ground pin. |+| 108 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 109 | PA14 | bidirectional | 5 V-tolerant I/O (FT); alternate function: JTCK-SWCLK (SWD clock, shared with JTAG TCK), EVENTOUT. |+| 110 | PA15 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: JTDI, TIM2_CH1/TIM2_ETR, HDMI_CEC, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, UART4_RTS, EVENTOUT. |+| 111 | PC10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, QUADSPI_BK1_IO1, SDIO_D2, DCMI_D8, EVENTOUT. |+| 112 | PC11 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI3_MISO, USART3_RX, UART4_RX, QUADSPI_BK2_NCS, SDIO_D3, DCMI_D4, EVENTOUT. |+| 113 | PC12 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: I2C2_SDA, SPI3_MOSI/I2S3_SD, USART3_CK, UART5_TX, SDIO_CK, DCMI_D9, EVENTOUT. |+| 114 | PD0 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI4_MISO, SPI3_MOSI/I2S3_SD, CAN1_RX, FMC_D2, EVENTOUT. |+| 115 | PD1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI2_NSS/I2S2_WS, CAN1_TX, FMC_D3, EVENTOUT. |+| 116 | PD2 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM3_ETR, UART5_RX, SDIO_CMD, DCMI_D11, EVENTOUT. |+| 117 | PD3 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED1, SPI2_SCK/I2S2_CK, USART2_CTS, QUADSPI_CLK, FMC_CLK, DCMI_D5, EVENTOUT. |+| 118 | PD4 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART2_RTS, FMC_NOE, EVENTOUT. |+| 119 | PD5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART2_TX, FMC_NWE, EVENTOUT. |+| 120 | VSS | power_in | Ground pin. |+| 121 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 122 | PD6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI3_MOSI/I2S3_SD, SAI1_SD_A, USART2_RX, FMC_NWAIT, DCMI_D10, EVENTOUT. |+| 123 | PD7 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART2_CK, SPDIFRX_IN0, FMC_NE1, EVENTOUT. |+| 124 | PG9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPDIFRX_IN3, USART6_RX, QUADSPI_BK2_IO2, SAI2_FS_B, FMC_NE2/FMC_NCE3, DCMI_VSYNC (silicon revision 3 only), EVENTOUT. |+| 125 | PG10 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SAI2_SD_B, FMC_NE3, DCMI_D2, EVENTOUT. |+| 126 | PG11 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI4_SCK, SPDIFRX_IN0, DCMI_D3, EVENTOUT. |+| 127 | PG12 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: SPI4_MISO, SPDIFRX_IN1, USART6_RTS, FMC_NE4, EVENTOUT. |+| 128 | PG13 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED2, SPI4_MOSI, USART6_CTS, FMC_A24, EVENTOUT. |+| 129 | PG14 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TRACED3, SPI4_NSS, USART6_TX, QUADSPI_BK2_IO3, FMC_A25, EVENTOUT. |+| 130 | VSS | power_in | Ground pin. |+| 131 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |+| 132 | PG15 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: USART6_CTS, FMC_SDNCAS, DCMI_D13, EVENTOUT. |+| 133 | PB3-JTDO/TRACESWO | bidirectional | 5 V-tolerant I/O (FT); alternate function: JTDO/TRACESWO (JTAG output / trace SWO), TIM2_CH2, I2C2_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, EVENTOUT. |+| 134 | PB4(NJTRST) | bidirectional | 5 V-tolerant I/O (FT); alternate functions: NJTRST (JTAG reset, active low), TIM3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, SPI2_NSS/I2S2_WS, EVENTOUT. |+| 135 | PB5 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, OTG_HS_ULPI_D7, FMC_SDCKE1, DCMI_D10, EVENTOUT. |+| 136 | PB6 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM4_CH1, HDMI_CEC, I2C1_SCL, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, FMC_SDNE1, DCMI_D5, EVENTOUT. |+| 137 | PB7 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM4_CH2, I2C1_SDA, USART1_RX, SPDIFRX_IN0, FMC_NL, DCMI_VSYNC, EVENTOUT. |+| 138 | BOOT0 | input | Dedicated BOOT0 input-only pin (B structure) with VPP as its listed function. |+| 139 | PB8 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH1/TIM2_ETR, TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, SDIO_D4, DCMI_D6, EVENTOUT. |+| 140 | PB9 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM2_CH2, TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, SAI1_FS_B, CAN1_TX, SDIO_D5, DCMI_D7, EVENTOUT. |+| 141 | PE0 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: TIM4_ETR, SAI2_MCLK_A, FMC_NBL0, DCMI_D2, EVENTOUT. |+| 142 | PE1 | bidirectional | 5 V-tolerant I/O (FT); alternate functions: FMC_NBL1, DCMI_D3, EVENTOUT. |+| 143 | PDR_ON | power_in | Supply-type pin (S) listed in Table 10; its power-down reset function is described in the power supply supervisor section, which is not in this excerpt. |+| 144 | VDD | power_in | Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | STMicroelectronics |+| Package | LQFP-144(20x20) |+| Category | Embedded Processors & Controllers |+| Pins | 144 |++## CAD (KiCad official)++- Symbol: `STM32F446ZET7`+- Footprint: `Package_QFP:LQFP-144_20x20mm_P0.5mm`+- 3D model: LQFP-144(20x20) (KiCad packages3D, STEP)+- 3D model files: `stm32f446zet7-etched.step` / `stm32f446zet7-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f446zet7.step` / `stm32f446zet7.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/8590916625695141888) (198 pp, sha256 `3902cf9f939a0ef6`, retrieved 2026-10-08, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (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/stm32f446zet7-datasheet.pdf)
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Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.",+ "tags": [+ "component",+ "embedded processors & controllers",+ "stm32f446zet7",+ "factory-2.0.0",+ "extractor-text"+ ],+ "dependencies": {},+ "hero": {+ "type": "image",+ "path": "docs/hero.png"+ },+ "files": [+ "page.json",+ "README.md",+ "stm32f446zet7.kicad_sym",+ "stm32f446zet7.kicad_mod",+ "stm32f446zet7.glb",+ "stm32f446zet7.step",+ "stm32f446zet7.lbr",+ "docs/hero.png",+ "docs/stm32f446zet7-datasheet.pdf",+ "viewers/symbol.html",+ "viewers/footprint.html",+ "stm32f446zet7-hero.glb",+ "stm32f446zet7-hero.overlay.json"+ ],+ "component": {+ "mpn": "STM32F446ZET7",+ "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/8590916625695141888",+ "parts": {+ "symbol": "stm32f446zet7.kicad_sym",+ "footprint": "stm32f446zet7.kicad_mod",+ "model_3d": "stm32f446zet7-hero.glb",+ "model_3d_plain": "stm32f446zet7.glb",+ "model_3d_step": "stm32f446zet7-etched.step",+ "model_3d_step_plain": "stm32f446zet7.step",+ "lbr": "stm32f446zet7.lbr"+ },+ "distributor_links": {+ "lcsc": "C2970508",+ "digikey": "497-16778-ND",+ "mouser": "511-STM32F446ZET7"+ },+ "distributor_check": {+ "checked_at": "2026-10-08T20:27:23Z",+ "source": "Component Ocean /api/assign-pns",+ "digikey": {+ "pn": "497-16778-ND",+ "status": "found"+ },+ "mouser": {+ "pn": "511-STM32F446ZET7",+ "status": "found"+ }+ },+ "pins": [+ {+ "number": "1",+ "name": "PE2",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACECLK, SPI4_SCK, SAI1_MCLK_A, QUADSPI_BK1_IO2, FMC_A23, EVENTOUT."+ },+ {+ "number": "2",+ "name": "PE3",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED0, SAI1_SD_B, FMC_A19, EVENTOUT."+ },+ {+ "number": "3",+ "name": "PE4",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED1, SPI4_NSS, SAI1_FS_A, FMC_A20, DCMI_D4, EVENTOUT."+ },+ {+ "number": "4",+ "name": "PE5",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED2, TIM9_CH1, SPI4_MISO, SAI1_SCK_A, FMC_A21, DCMI_D6, EVENTOUT."+ },+ {+ "number": "5",+ "name": "PE6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED3, TIM9_CH2, SPI4_MOSI, SAI1_SD_A, FMC_A22, DCMI_D7, EVENTOUT."+ },+ {+ "number": "6",+ "name": "VBAT",+ "type": "power_in",+ "description": "Supply for the RTC, the 20x32-bit backup registers and the optional 4 KB backup SRAM (VBAT supply)."+ },+ {+ "number": "7",+ "name": "PC13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: TAMP_1/WKUP1."+ },+ {+ "number": "8",+ "name": "PC14-OSC32_IN",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC32_IN (32 kHz oscillator input for the RTC)."+ },+ {+ "number": "9",+ "name": "PC15-OSC32_OUT",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC32_OUT (32 kHz oscillator output for the RTC)."+ },+ {+ "number": "10",+ "name": "PF0",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: I2C2_SDA, FMC_A0, EVENTOUT."+ },+ {+ "number": "11",+ "name": "PF1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: I2C2_SCL, FMC_A1, EVENTOUT."+ },+ {+ "number": "12",+ "name": "PF2",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: I2C2_SMBA, FMC_A2, EVENTOUT."+ },+ {+ "number": "13",+ "name": "PF3",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A3, EVENTOUT; additional function: ADC3_IN9."+ },+ {+ "number": "14",+ "name": "PF4",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A4, EVENTOUT; additional function: ADC3_IN14."+ },+ {+ "number": "15",+ "name": "PF5",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A5, EVENTOUT; additional function: ADC3_IN15."+ },+ {+ "number": "16",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "17",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "18",+ "name": "PF6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM10_CH1, SAI1_SD_B, QUADSPI_BK1_IO3, EVENTOUT; additional function: ADC3_IN4."+ },+ {+ "number": "19",+ "name": "PF7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM11_CH1, SAI1_MCLK_B, QUADSPI_BK1_IO2, EVENTOUT; additional function: ADC3_IN5."+ },+ {+ "number": "20",+ "name": "PF8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SAI1_SCK_B, TIM13_CH1, QUADSPI_BK1_IO0, EVENTOUT; additional function: ADC3_IN6."+ },+ {+ "number": "21",+ "name": "PF9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SAI1_FS_B, TIM14_CH1, QUADSPI_BK1_IO1, EVENTOUT; additional function: ADC3_IN7."+ },+ {+ "number": "22",+ "name": "PF10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: DCMI_D11, EVENTOUT; additional function: ADC3_IN8."+ },+ {+ "number": "23",+ "name": "PH0-OSC_IN",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC_IN (crystal oscillator input)."+ },+ {+ "number": "24",+ "name": "PH1-OSC_OUT",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: EVENTOUT; additional function: OSC_OUT (crystal oscillator output)."+ },+ {+ "number": "25",+ "name": "NRST",+ "type": "bidirectional",+ "description": "Bidirectional reset pin with weak pull-up resistor (RST I/O structure)."+ },+ {+ "number": "26",+ "name": "PC0",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SAI1_MCLK_B, OTG_HS_ULPI_STP, FMC_SDNWE, EVENTOUT; additional function: ADC123_IN10."+ },+ {+ "number": "27",+ "name": "PC1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI3_MOSI/I2S3_SD, SAI1_SD_A, SPI2_MOSI/I2S2_SD, EVENTOUT; additional function: ADC123_IN11."+ },+ {+ "number": "28",+ "name": "PC2",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI2_MISO, OTG_HS_ULPI_DIR, FMC_SDNE0, EVENTOUT; additional function: ADC123_IN12."+ },+ {+ "number": "29",+ "name": "PC3",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI2_MOSI/I2S2_SD, OTG_HS_ULPI_NXT, FMC_SDCKE0, EVENTOUT; additional function: ADC123_IN13."+ },+ {+ "number": "30",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "31",+ "name": "VSSA",+ "type": "power_in",+ "description": "Analog ground pin."+ },+ {+ "number": "32",+ "name": "VREF+",+ "type": "power_in",+ "description": "Input voltage reference VREF+ for the ADC and DAC."+ },+ {+ "number": "33",+ "name": "VDDA",+ "type": "power_in",+ "description": "Analog supply pin; no voltage range for this pin is given in the datasheet text provided."+ },+ {+ "number": "34",+ "name": "PA0-WKUP",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH1/TIM2_ETR, TIM5_CH1, TIM8_ETR, USART2_CTS, UART4_TX, EVENTOUT; additional functions: ADC123_IN0, WKUP0/TAMP_2."+ },+ {+ "number": "35",+ "name": "PA1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH2, TIM5_CH2, USART2_RTS, UART4_RX, QUADSPI_BK1_IO3, SAI2_MCLK_B, EVENTOUT; additional function: ADC123_IN1."+ },+ {+ "number": "36",+ "name": "PA2",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, SAI2_SCK_B, EVENTOUT; additional function: ADC123_IN2."+ },+ {+ "number": "37",+ "name": "PA3",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH4, TIM5_CH4, TIM9_CH2, SAI1_FS_A, USART2_RX, OTG_HS_ULPI_D0, EVENTOUT; additional function: ADC123_IN3."+ },+ {+ "number": "38",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "39",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "40",+ "name": "PA4",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O (TTa) directly connected to the ADC; alternate functions: SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, USART2_CK, OTG_HS_SOF, DCMI_HSYNC, EVENTOUT; additional functions: ADC12_IN4, DAC_OUT1."+ },+ {+ "number": "41",+ "name": "PA5",+ "type": "bidirectional",+ "description": "3.3 V-tolerant I/O (TTa) directly connected to the ADC; alternate functions: TIM2_CH1/TIM2_ETR, TIM8_CH1N, SPI1_SCK/I2S1_CK, OTG_HS_ULPI_CK, EVENTOUT; additional functions: ADC12_IN5, DAC_OUT2."+ },+ {+ "number": "42",+ "name": "PA6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_BKIN, TIM3_CH1, TIM8_BKIN, SPI1_MISO, I2S2_MCK, TIM13_CH1, DCMI_PIXCLK, EVENTOUT; additional function: ADC12_IN6."+ },+ {+ "number": "43",+ "name": "PA7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH1N, TIM3_CH2, TIM8_CH1N, SPI1_MOSI/I2S1_SD, TIM14_CH1, FMC_SDNWE, EVENTOUT; additional function: ADC12_IN7."+ },+ {+ "number": "44",+ "name": "PC4",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: I2S1_MCK, SPDIFRX_IN2, FMC_SDNE0, EVENTOUT; additional function: ADC12_IN14."+ },+ {+ "number": "45",+ "name": "PC5",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART3_RX, SPDIFRX_IN3, FMC_SDCKE0, EVENTOUT; additional function: ADC12_IN15."+ },+ {+ "number": "46",+ "name": "PB0",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH2N, TIM3_CH3, TIM8_CH2N, SPI3_MOSI/I2S3_SD, UART4_CTS, OTG_HS_ULPI_D1, SDIO_D1, EVENTOUT; additional function: ADC12_IN8."+ },+ {+ "number": "47",+ "name": "PB1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH3N, TIM3_CH4, TIM8_CH3N, OTG_HS_ULPI_D2, SDIO_D2, EVENTOUT; additional function: ADC12_IN9."+ },+ {+ "number": "48",+ "name": "PB2-BOOT1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH4, SAI1_SD_A, SPI3_MOSI/I2S3_SD, QUADSPI_CLK, OTG_HS_ULPI_D4, SDIO_CK, EVENTOUT; BOOT1 is the function of this pin after reset-option configuration as printed in the table."+ },+ {+ "number": "49",+ "name": "PF11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SAI2_SD_B, FMC_SDNRAS, DCMI_D12, EVENTOUT."+ },+ {+ "number": "50",+ "name": "PF12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A6, EVENTOUT."+ },+ {+ "number": "51",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "52",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "53",+ "name": "PF13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMPI2C1_SMBA, FMC_A7, EVENTOUT."+ },+ {+ "number": "54",+ "name": "PF14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: FMPI2C1_SCL, FMC_A8, EVENTOUT."+ },+ {+ "number": "55",+ "name": "PF15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: FMPI2C1_SDA, FMC_A9, EVENTOUT."+ },+ {+ "number": "56",+ "name": "PG0",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A10, EVENTOUT."+ },+ {+ "number": "57",+ "name": "PG1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A11, EVENTOUT."+ },+ {+ "number": "58",+ "name": "PE7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_ETR, UART5_RX, QUADSPI_BK2_IO0, FMC_D4, EVENTOUT."+ },+ {+ "number": "59",+ "name": "PE8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH1N, UART5_TX, QUADSPI_BK2_IO1, FMC_D5, EVENTOUT."+ },+ {+ "number": "60",+ "name": "PE9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH1, QUADSPI_BK2_IO2, FMC_D6, EVENTOUT."+ },+ {+ "number": "61",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "62",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "63",+ "name": "PE10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH2N, QUADSPI_BK2_IO3, FMC_D7, EVENTOUT."+ },+ {+ "number": "64",+ "name": "PE11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH2, SPI4_NSS, SAI2_SD_B, FMC_D8, EVENTOUT."+ },+ {+ "number": "65",+ "name": "PE12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH3N, SPI4_SCK, SAI2_SCK_B, FMC_D9, EVENTOUT."+ },+ {+ "number": "66",+ "name": "PE13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH3, SPI4_MISO, SAI2_FS_B, FMC_D10, EVENTOUT."+ },+ {+ "number": "67",+ "name": "PE14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH4, SPI4_MOSI, SAI2_MCLK_B, FMC_D11, EVENTOUT."+ },+ {+ "number": "68",+ "name": "PE15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_BKIN, FMC_D12, EVENTOUT."+ },+ {+ "number": "69",+ "name": "PB10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH3, I2C2_SCL, SPI2_SCK/I2S2_CK, SAI1_SCK_A, USART3_TX, OTG_HS_ULPI_D3, EVENTOUT."+ },+ {+ "number": "70",+ "name": "PB11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH4, I2C2_SDA, USART3_RX, SAI2_SD_A, EVENTOUT."+ },+ {+ "number": "71",+ "name": "VCAP_1",+ "type": "power_in",+ "description": "Voltage regulator external capacitor connection (VCAP_1), see the VCAP_1/VCAP_2 external capacitor conditions."+ },+ {+ "number": "72",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "73",+ "name": "PB12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_BKIN, I2C2_SMBA, SPI2_NSS/I2S2_WS, SAI1_SCK_B, USART3_CK, CAN2_RX, OTG_HS_ULPI_D5, OTG_HS_ID, EVENTOUT."+ },+ {+ "number": "74",+ "name": "PB13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH1N, SPI2_SCK/I2S2_CK, USART3_CTS, CAN2_TX, OTG_HS_ULPI_D6, EVENTOUT; additional function: OTG_HS_VBUS."+ },+ {+ "number": "75",+ "name": "PB14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: TIM1_CH2N, TIM8_CH2N, SPI2_MISO, USART3_RTS, TIM12_CH1, OTG_HS_DM, EVENTOUT."+ },+ {+ "number": "76",+ "name": "PB15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: RTC_REFIN, TIM1_CH3N, TIM8_CH3N, SPI2_MOSI/I2S2_SD, TIM12_CH2, OTG_HS_DP, EVENTOUT."+ },+ {+ "number": "77",+ "name": "PD8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART3_TX, SPDIFRX_IN1, FMC_D13, EVENTOUT."+ },+ {+ "number": "78",+ "name": "PD9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART3_RX, FMC_D14, EVENTOUT."+ },+ {+ "number": "79",+ "name": "PD10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART3_CK, FMC_D15, EVENTOUT."+ },+ {+ "number": "80",+ "name": "PD11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMPI2C1_SMBA, USART3_CTS, QUADSPI_BK1_IO0, SAI2_SD_A, FMC_A16, EVENTOUT."+ },+ {+ "number": "81",+ "name": "PD12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH1, FMPI2C1_SCL, USART3_RTS, QUADSPI_BK1_IO1, SAI2_FS_A, FMC_A17, EVENTOUT."+ },+ {+ "number": "82",+ "name": "PD13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH2, FMPI2C1_SDA, QUADSPI_BK1_IO3, SAI2_SCK_A, FMC_A18, EVENTOUT."+ },+ {+ "number": "83",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "84",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "85",+ "name": "PD14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH3, FMPI2C1_SCL, SAI2_SCK_A, FMC_D0, EVENTOUT."+ },+ {+ "number": "86",+ "name": "PD15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM4_CH4, FMPI2C1_SDA, FMC_D1, EVENTOUT."+ },+ {+ "number": "87",+ "name": "PG2",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A12, EVENTOUT."+ },+ {+ "number": "88",+ "name": "PG3",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A13, EVENTOUT."+ },+ {+ "number": "89",+ "name": "PG4",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A14/FMC_BA0, EVENTOUT."+ },+ {+ "number": "90",+ "name": "PG5",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_A15/FMC_BA1, EVENTOUT."+ },+ {+ "number": "91",+ "name": "PG6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: QUADSPI_BK1_NCS, DCMI_D12, EVENTOUT."+ },+ {+ "number": "92",+ "name": "PG7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART6_CK, FMC_INT, DCMI_D13, EVENTOUT."+ },+ {+ "number": "93",+ "name": "PG8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPDIFRX_IN2, USART6_RTS, FMC_SDCLK, EVENTOUT."+ },+ {+ "number": "94",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "95",+ "name": "VDDUSB",+ "type": "power_in",+ "description": "Dedicated USB power rail enabling the on-chip USB PHYs to operate across the entire MCU supply range; also supplies PA11, PA12, PB14 and PB15."+ },+ {+ "number": "96",+ "name": "PC6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM3_CH1, TIM8_CH1, FMPI2C1_SCL, I2S2_MCK, USART6_TX, SDIO_D6, DCMI_D0, EVENTOUT."+ },+ {+ "number": "97",+ "name": "PC7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O with I2C FM+ option (FTf); alternate functions: TIM3_CH2, TIM8_CH2, FMPI2C1_SDA, SPI2_SCK/I2S2_CK, I2S3_MCK, SPDIFRX_IN1, USART6_RX, SDIO_D7, DCMI_D1, EVENTOUT."+ },+ {+ "number": "98",+ "name": "PC8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED0, TIM3_CH3, TIM8_CH3, UART5_RTS, USART6_CK, SDIO_D0, DCMI_D2, EVENTOUT."+ },+ {+ "number": "99",+ "name": "PC9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: MCO2, TIM3_CH4, TIM8_CH4, I2C3_SDA, I2S_CKIN, UART5_CTS, QUADSPI_BK1_IO0, SDIO_D1, DCMI_D3, EVENTOUT."+ },+ {+ "number": "100",+ "name": "PA8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: MCO1, TIM1_CH1, I2C3_SCL, USART1_CK, OTG_FS_SOF, EVENTOUT."+ },+ {+ "number": "101",+ "name": "PA9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH2, I2C3_SMBA, SPI2_SCK/I2S2_CK, SAI1_SD_B, USART1_TX, DCMI_D0, EVENTOUT; additional function: OTG_FS_VBUS."+ },+ {+ "number": "102",+ "name": "PA10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM1_CH3, USART1_RX, OTG_FS_ID, DCMI_D1, EVENTOUT."+ },+ {+ "number": "103",+ "name": "PA11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: TIM1_CH4, USART1_CTS, CAN1_RX, OTG_FS_DM, EVENTOUT."+ },+ {+ "number": "104",+ "name": "PA12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT) supplied by VDDUSB; alternate functions: TIM1_ETR, USART1_RTS, SAI2_FS_B, CAN1_TX, OTG_FS_DP, EVENTOUT."+ },+ {+ "number": "105",+ "name": "PA13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: JTMS-SWDIO (SWD data I/O, shared with JTAG TMS), EVENTOUT."+ },+ {+ "number": "106",+ "name": "VCAP_2",+ "type": "power_in",+ "description": "Voltage regulator external capacitor connection (VCAP_2), see the VCAP_1/VCAP_2 external capacitor conditions."+ },+ {+ "number": "107",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "108",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "109",+ "name": "PA14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: JTCK-SWCLK (SWD clock, shared with JTAG TCK), EVENTOUT."+ },+ {+ "number": "110",+ "name": "PA15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: JTDI, TIM2_CH1/TIM2_ETR, HDMI_CEC, SPI1_NSS/I2S1_WS, SPI3_NSS/I2S3_WS, UART4_RTS, EVENTOUT."+ },+ {+ "number": "111",+ "name": "PC10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI3_SCK/I2S3_CK, USART3_TX, UART4_TX, QUADSPI_BK1_IO1, SDIO_D2, DCMI_D8, EVENTOUT."+ },+ {+ "number": "112",+ "name": "PC11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI3_MISO, USART3_RX, UART4_RX, QUADSPI_BK2_NCS, SDIO_D3, DCMI_D4, EVENTOUT."+ },+ {+ "number": "113",+ "name": "PC12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: I2C2_SDA, SPI3_MOSI/I2S3_SD, USART3_CK, UART5_TX, SDIO_CK, DCMI_D9, EVENTOUT."+ },+ {+ "number": "114",+ "name": "PD0",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI4_MISO, SPI3_MOSI/I2S3_SD, CAN1_RX, FMC_D2, EVENTOUT."+ },+ {+ "number": "115",+ "name": "PD1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI2_NSS/I2S2_WS, CAN1_TX, FMC_D3, EVENTOUT."+ },+ {+ "number": "116",+ "name": "PD2",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM3_ETR, UART5_RX, SDIO_CMD, DCMI_D11, EVENTOUT."+ },+ {+ "number": "117",+ "name": "PD3",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED1, SPI2_SCK/I2S2_CK, USART2_CTS, QUADSPI_CLK, FMC_CLK, DCMI_D5, EVENTOUT."+ },+ {+ "number": "118",+ "name": "PD4",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART2_RTS, FMC_NOE, EVENTOUT."+ },+ {+ "number": "119",+ "name": "PD5",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART2_TX, FMC_NWE, EVENTOUT."+ },+ {+ "number": "120",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "121",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "122",+ "name": "PD6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI3_MOSI/I2S3_SD, SAI1_SD_A, USART2_RX, FMC_NWAIT, DCMI_D10, EVENTOUT."+ },+ {+ "number": "123",+ "name": "PD7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART2_CK, SPDIFRX_IN0, FMC_NE1, EVENTOUT."+ },+ {+ "number": "124",+ "name": "PG9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPDIFRX_IN3, USART6_RX, QUADSPI_BK2_IO2, SAI2_FS_B, FMC_NE2/FMC_NCE3, DCMI_VSYNC (silicon revision 3 only), EVENTOUT."+ },+ {+ "number": "125",+ "name": "PG10",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SAI2_SD_B, FMC_NE3, DCMI_D2, EVENTOUT."+ },+ {+ "number": "126",+ "name": "PG11",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI4_SCK, SPDIFRX_IN0, DCMI_D3, EVENTOUT."+ },+ {+ "number": "127",+ "name": "PG12",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: SPI4_MISO, SPDIFRX_IN1, USART6_RTS, FMC_NE4, EVENTOUT."+ },+ {+ "number": "128",+ "name": "PG13",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED2, SPI4_MOSI, USART6_CTS, FMC_A24, EVENTOUT."+ },+ {+ "number": "129",+ "name": "PG14",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TRACED3, SPI4_NSS, USART6_TX, QUADSPI_BK2_IO3, FMC_A25, EVENTOUT."+ },+ {+ "number": "130",+ "name": "VSS",+ "type": "power_in",+ "description": "Ground pin."+ },+ {+ "number": "131",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ },+ {+ "number": "132",+ "name": "PG15",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: USART6_CTS, FMC_SDNCAS, DCMI_D13, EVENTOUT."+ },+ {+ "number": "133",+ "name": "PB3-JTDO/TRACESWO",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate function: JTDO/TRACESWO (JTAG output / trace SWO), TIM2_CH2, I2C2_SDA, SPI1_SCK/I2S1_CK, SPI3_SCK/I2S3_CK, EVENTOUT."+ },+ {+ "number": "134",+ "name": "PB4(NJTRST)",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: NJTRST (JTAG reset, active low), TIM3_CH1, I2C3_SDA, SPI1_MISO, SPI3_MISO, SPI2_NSS/I2S2_WS, EVENTOUT."+ },+ {+ "number": "135",+ "name": "PB5",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM3_CH2, I2C1_SMBA, SPI1_MOSI/I2S1_SD, SPI3_MOSI/I2S3_SD, CAN2_RX, OTG_HS_ULPI_D7, FMC_SDCKE1, DCMI_D10, EVENTOUT."+ },+ {+ "number": "136",+ "name": "PB6",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM4_CH1, HDMI_CEC, I2C1_SCL, USART1_TX, CAN2_TX, QUADSPI_BK1_NCS, FMC_SDNE1, DCMI_D5, EVENTOUT."+ },+ {+ "number": "137",+ "name": "PB7",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM4_CH2, I2C1_SDA, USART1_RX, SPDIFRX_IN0, FMC_NL, DCMI_VSYNC, EVENTOUT."+ },+ {+ "number": "138",+ "name": "BOOT0",+ "type": "input",+ "description": "Dedicated BOOT0 input-only pin (B structure) with VPP as its listed function."+ },+ {+ "number": "139",+ "name": "PB8",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH1/TIM2_ETR, TIM4_CH3, TIM10_CH1, I2C1_SCL, CAN1_RX, SDIO_D4, DCMI_D6, EVENTOUT."+ },+ {+ "number": "140",+ "name": "PB9",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM2_CH2, TIM4_CH4, TIM11_CH1, I2C1_SDA, SPI2_NSS/I2S2_WS, SAI1_FS_B, CAN1_TX, SDIO_D5, DCMI_D7, EVENTOUT."+ },+ {+ "number": "141",+ "name": "PE0",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: TIM4_ETR, SAI2_MCLK_A, FMC_NBL0, DCMI_D2, EVENTOUT."+ },+ {+ "number": "142",+ "name": "PE1",+ "type": "bidirectional",+ "description": "5 V-tolerant I/O (FT); alternate functions: FMC_NBL1, DCMI_D3, EVENTOUT."+ },+ {+ "number": "143",+ "name": "PDR_ON",+ "type": "power_in",+ "description": "Supply-type pin (S) listed in Table 10; its power-down reset function is described in the power supply supervisor section, which is not in this excerpt."+ },+ {+ "number": "144",+ "name": "VDD",+ "type": "power_in",+ "description": "Digital supply pin; the application supply and I/Os range is 1.7 V to 3.6 V."+ }+ ],+ "provenance": {+ "extractor": "extract_pins 0.3",+ "factory_chain": {+ "factory": "2.0.0",+ "extractor": "extract_pins 0.3",+ "primary_model": "claude-haiku-5-5",+ "primary_mode": "text",+ "consensus_model": "claude-sonnet-5-5",+ "consensus": "agreed",+ "guards": "pin_guards 0.1: passed",+ "guard_notes": [+ "extractor flagged: MPN suffix 'T7' (ordering/temperature/packing code) is not explained in the provided text; the order; Figure 12 is titled 'STM32F446xC LQFP144 pinout'; the pin list was built from Table 10, which covers; VCAP_1 (pin 71) and VCAP_2 (pin 106) are labelled type S in Table 10 and were kept as power_in per t"+ ],+ "pages_sent": 64,+ "cost_usd": 0.4325,+ "at": "2026-10-08T20:26:12"+ },+ "datasheet": {+ "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590916625695141888",+ "pages": 198,+ "sha256": "3902cf9f939a0ef6",+ "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"+ },+ "models_3d": [+ {+ "file": "stm32f446zet7.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 22,+ 22,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "b4d698da8bb7697b754adb5655c932342462d9b9341cdaa081b3604dbdf7559b",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "stm32f446zet7-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 22,+ 22,+ 1.5+ ],+ "zmin_mm": 0,+ "centre_offset_mm": 0,+ "footprint_binding": "identity",+ "sha256": "43270bc7d537253e348caa267ba3d9b334fe4a24433225e7494b1229bca55b70",+ "checked": "2026-10-08",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ]+ },+ "visibility": "public",+ "org": "adom",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }+}