# LKS32MC455LRCT8

**LINKOSEMI** · Microcontroller Units (MCUs/MPUs/SOCs) · LQFP-64(10x10)

LKS32MC455LRCT8 from LINKOSEMI, in a LQFP-64(10x10). 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 | P0_1 | bidirectional | Multifunction GPIO P0.1 serving as PWM1 stop signal 2, UART0 receive, SPI0 chip select, Timer4 channel 1, CAN send and EXTI1, with 5V input tolerance. |
| 2 | P0_2 | bidirectional | Multifunction GPIO P0.2 serving as comparator 5 output, PWM1 stop signal 3, UART0 send, CAN receive, comparator 5 positive input 0 and wake-up 0, with 5V input tolerance. |
| 3 | AVDD | power_in | AVDD 3.3V analog power input; the 5V to 3.3V LDO output requires external 10uF plus 0.1uF capacitors. |
| 4 | P0_10 | bidirectional | Multifunction GPIO P0.10 serving as PWM1 channel 0 high side, SPI0 chip select, Timer1 channel 1, external flash data 2, comparator 4 negative input, SWD data and JTAG TMS, with 5V input tolerance. |
| 5 | P0_11 | bidirectional | Multifunction GPIO P0.11 serving as PWM1 channel 1 low side, UART1 receive, SPI0 input, I2C1 clock, Timer4 channel 1, external flash data 3, comparator 4 positive input 0 and JTAG TDI; it requires SYS_IO_CFG configuration to be used as normal GPIO. |
| 6 | P0_6 | bidirectional | GPIO P0.6 serving as external chip reset input RST_n, with 5V input tolerance. |
| 7 | P0_7 | bidirectional | GPIO P0.7 serving as oscillator output OSC_OUT. |
| 8 | VSS | power_in | Ground reference pin. |
| 9 | P0_8 | bidirectional | GPIO P0.8 serving as Timer1 Z-axis signal, external flash data 0 and oscillator input OSC_IN. |
| 10 | P0_9 | bidirectional | Multifunction GPIO P0.9 serving as comparator 4 output, PWM1 channel 0 low side, SPI0 clock, Timer1 channel 0, external flash data 1, comparator 5 negative input and JTAG reset nTRST; it requires SYS_IO_CFG configuration to be used as normal GPIO. |
| 11 | P0_5 | bidirectional | Multifunction GPIO P0.5 serving as comparator 5 output, Hall 1 input 0, PWM0 stop signal 3, UART0 send, SPI0 clock, I2C0 clock, Timer0 channel 1, Timer2 Z-axis signal, ADC trigger debugging 0, ADC2 channel 12, comparator 5 positive input 3 and wake-up 3, with 5V input tolerance. |
| 12 | P1_8 | bidirectional | Multifunction GPIO P1.8 serving as PWM0 channel 3 high side, UART2 receive, SPI1 clock, Timer0 channel 0, Timer2 Z-axis signal and CAN external timestamp clock, with 5V input tolerance. |
| 13 | P0_12 | bidirectional | Multifunction GPIO P0.12 serving as PWM1 channel 1 high side, UART1 send, SPI0 output, I2C1 data, Timer4 channel 0, CAN timestamp clock, external flash chip select, comparator 4 positive input 1 and SWD clock/JTAG TCLK, with 5V input tolerance; it requires SYS_IO_CFG configuration to be used as normal GPIO. |
| 14 | P0_13 | bidirectional | Multifunction GPIO P0.13 serving as PWM1 channel 2 low side, UART0 send, SPI1 chip select, Timer4 channel 0, CAN send, comparator 4 positive input 2, wake-up 4, EXTI6 and JTAG TDO, with 5V input tolerance; it requires SYS_IO_CFG configuration to be used as normal GPIO. |
| 15 | P0_14 | bidirectional | Multifunction GPIO P0.14 serving as clock output CLK, PWM1 channel 2 high side, UART0 receive, SPI1 input, I2C0 clock, CAN receive, comparator 4 positive input 3 and EXTI7. |
| 16 | P1_0 | bidirectional | Multifunction GPIO P1.0 serving as PWM1 channel 3 high side, UART0 send, SPI1 output, I2C0 data and Timer0 Z-axis signal; it requires SYS_IO_CFG configuration to be used as normal GPIO. |
| 17 | P1_5 | bidirectional | Multifunction GPIO P1.5 serving as PWM0 channel 2 low side, UART1 receive, SPI0 input, I2C1 clock, Timer4 channel 1, Timer3 Z-axis signal, CAN send and EXTI9, with 5V input tolerance. |
| 18 | P1_6 | bidirectional | Multifunction GPIO P1.6 serving as PWM0 channel 2 high side, UART1 send, SPI0 output, I2C1 data, Timer4 channel 0 and CAN receive, with 5V input tolerance. |
| 19 | P1_9 | bidirectional | Multifunction GPIO P1.9 serving as PWM0 stop signal 0, UART2 send, SPI1 output, I2C0 data, Timer0 channel 1, Timer2 channel 0, ADC trigger debugging 2 and CAN send, with 5V input tolerance. |
| 20 | P1_10 | bidirectional | Multifunction GPIO P1.10 serving as PWM0 stop signal 1, UART2 receive, SPI1 input, I2C0 clock, Timer0 channel 0, Timer2 channel 1, ADC trigger debugging 1 and CAN receive, with 5V input tolerance. |
| 21 | P1_11 | bidirectional | Multifunction GPIO P1.11 serving as PWM0 stop signal 2, UART2 send, SPI0 output, I2C0 data, Timer0 channel 1, OPA5 negative input, wake-up 5 and EXTI11. |
| 22 | P1_12 | bidirectional | Multifunction GPIO P1.12 serving as PWM1 channel 3 low side, UART2 receive, SPI0 input, I2C0 clock, Timer1 channel 0, OPA5 positive input and EXTI12. |
| 23 | P2_1 | bidirectional | Multifunction GPIO P2.1 serving as PWM1 channel 1 high side, Timer1 channel 0, ADC trigger debugging 0, CAN send, external flash data 1 and EXTI14. |
| 24 | P2_2 | bidirectional | Multifunction GPIO P2.2 serving as PWM1 stop signal 0, external flash data 2 and EXTI15, with 5V input tolerance. |
| 25 | VSS33 | power_in | Ground reference for the 3.3V domain. |
| 26 | P2_3 | bidirectional | Multifunction GPIO P2.3 serving as PWM1 channel 2 high side, Timer1 channel 1, CAN send and external flash data 3. |
| 27 | P2_4 | bidirectional | Multifunction GPIO P2.4 serving as PWM1 channel 1 high side, Timer2 channel 0, CAN receive and external flash chip select. |
| 28 | P2_5 | bidirectional | Multifunction GPIO P2.5 serving as PWM1 channel 0 high side, UART1 receive, Timer1 channel 0, Timer2 channel 1, CAN external timestamp clock and external flash clock. |
| 29 | P2_6 | bidirectional | Multifunction GPIO P2.6 serving as PWM1 channel 2 low side, UART1 send and Timer1 channel 1. |
| 30 | P2_7 | bidirectional | Multifunction GPIO P2.7 serving as PWM1 channel 1 low side, I2C0 data signal, Timer2 channel 0 and EXTI16. |
| 31 | P2_8 | bidirectional | Multifunction GPIO P2.8 serving as PWM1 channel 0 low side, I2C0 clock, Timer2 channel 1 and EXTI17. |
| 32 | P2_9 | bidirectional | Multifunction GPIO P2.9 serving as PWM0 channel 2 high side, I2C0 data, Timer4 channel 1, Timer2 Z-axis signal and external flash data 0. |
| 33 | P2_10 | bidirectional | Multifunction GPIO P2.10 serving as PWM0 channel 1 high side, I2C0 clock, Timer4 channel 0 and external flash data 1. |
| 34 | P2_11 | bidirectional | Multifunction GPIO P2.11 serving as PWM0 channel 0 high side, UART0 receive, Timer4 channel 0, Timer3 channel 1 and external flash data 2, with 5V input tolerance. |
| 35 | P2_12 | bidirectional | Multifunction GPIO P2.12 serving as PWM0 channel 2 low side, UART0 send, Timer4 channel 1, Timer3 Z-axis signal, external flash data 3 and EXTI18, with 5V input tolerance. |
| 36 | P2_13 | bidirectional | Multifunction GPIO P2.13 serving as Hall 0 input 2, PWM0 channel 1 low side, Timer4 channel 0, Timer3 channel 0, ADC trigger debugging 1 and external flash chip select (low). |
| 37 | P2_14 | bidirectional | Multifunction GPIO P2.14 serving as Hall 0 input 1, PWM0 channel 0 low side, UART2 send, Timer3 channel 1, ADC trigger debugging 0, comparator 3 negative input and wake-up 6. |
| 38 | P2_15 | bidirectional | Multifunction GPIO P2.15 serving as comparator 3 output, Hall 0 input 0, PWM0 stop signal 0, UART2 receive, Timer1 channel 0, external flash clock and comparator 3 positive input 0, with 5V input tolerance. |
| 39 | P3_1 | bidirectional | Multifunction GPIO P3.1 serving as Hall 1 input 1, PWM0 stop signal 3, I2C0 data, Timer0 Z-axis signal, Timer3 channel 0, ADC0 channel 13 and comparator 3 positive input 2, with 5V input tolerance. |
| 40 | P3_2 | bidirectional | Multifunction GPIO P3.2 serving as comparator 3 output, Hall 1 input 0, I2C0 clock, Timer0 channel 0, Timer3 channel 0, external flash data 0, comparator 3 positive input 3, wake-up 7 and EXTI20, with 5V input tolerance. |
| 41 | VSS | power_in | Ground reference pin. |
| 42 | P3_3 | bidirectional | Multifunction GPIO P3.3 serving as comparator 2 output, SPI0 chip select, Timer0 channel 1, external flash data 1, ADC1 channel 13, comparator 2 positive input 0 and EXTI21. |
| 43 | P3_4 | bidirectional | Multifunction GPIO P3.4 serving as Hall 0 input 0, SPI0 clock, Timer1 channel 1, external flash data 2, ADC1 channel 12, DAC0 output and comparator 2 positive input 1, with 5V input tolerance. |
| 44 | P3_5 | bidirectional | Multifunction GPIO P3.5 serving as Hall 0 input 1, PWM1 stop signal 2, UART1 receive, SPI0 output, Timer1 channel 0, CAN external timestamp clock, external flash data 3, ADC1 channel 11 and comparator 2 positive input 2, with 5V input tolerance. |
| 45 | P3_6 | bidirectional | Multifunction GPIO P3.6 serving as Hall 0 input 2, PWM1 stop signal 3, UART1 send, SPI0 input, Timer1 channel 1, ADC trigger debugging 2, CAN send, external flash chip select (low) and comparator 2 positive input 3, with 5V input tolerance. |
| 46 | P3_7 | bidirectional | Multifunction GPIO P3.7 serving as comparator 2 output, PWM1 stop signal 0, Timer4 channel 1, ADC trigger debugging 1, CAN receive, OPA3 negative input, ADC2 channel 11, comparator 2 negative input and EXTI22. |
| 47 | P3_8 | bidirectional | Multifunction GPIO P3.8 serving as PWM1 stop signal 1, Timer4 channel 0, ADC trigger debugging 0, external flash clock, OPA3 positive input, ADC2 channel 10 and EXTI23. |
| 48 | P3_9 | bidirectional | Multifunction GPIO P3.9 serving as PWM0 stop signal 0, Timer0 channel 1, OPA2 negative input and ADC2 channel 9. |
| 49 | P3_10 | bidirectional | Multifunction GPIO P3.10 serving as PWM0 stop signal 1, OPA2 positive input and ADC2 channel 8. |
| 50 | P3_11 | bidirectional | Multifunction GPIO P3.11 serving as PWM0 stop signal 2, ADC2 channel 7, OPA output port, internal reference REF and EXTI24. |
| 51 | P3_12 | bidirectional | Multifunction GPIO P3.12 serving as PWM0 stop signal 3, I2C0 data, Timer2 channel 1, ADC2 channel 6 and EXTI25. |
| 52 | P3_13 | bidirectional | Multifunction GPIO P3.13 serving as OPA1 negative input, ADC2 channel 5 and EXTI26. |
| 53 | P3_14 | bidirectional | Multifunction GPIO P3.14 serving as OPA1 positive input, ADC2 channel 4 and EXTI27. |
| 54 | P4_13 | bidirectional | Multifunction GPIO P4.13 serving as comparator 0 output, Hall 0 input 2, SPI1 clock, I2C0 clock, Timer1 Z-axis signal, Timer2 Z-axis signal, CAN send, external flash data 0, ADC0 channel 10 and comparator 0 positive input 1. |
| 55 | P4_14 | bidirectional | Multifunction GPIO P4.14 serving as clock output CLK, Hall 0 input 1, UART2 send, SPI1 output, I2C0 data, Timer1 channel 1, Timer2 channel 0, ADC trigger signal 2, CAN receive, external flash data 1, ADC0 channel 9 and comparator 0 positive input 2, with 5V input tolerance. |
| 56 | P4_5 | bidirectional | Multifunction GPIO P4.5 serving as PWM0 channel 1 high side, ADC0 channel 11 and comparator 0 positive input 0, with 5V input tolerance. |
| 57 | P4_6 | bidirectional | Multifunction GPIO P4.6 serving as PWM0 channel 1 low side, external flash clock, ADC1 channel 8, OPA output port and 1.2V LDO output. |
| 58 | P4_7 | bidirectional | Multifunction GPIO P4.7 serving as ADC1 channel 7 and DAC1 output. |
| 59 | P4_8 | bidirectional | Multifunction GPIO P4.8 serving as clock gating output CLK, ADC1 channel 6 and comparator 1 negative input. |
| 60 | P4_12 | bidirectional | Multifunction GPIO P4.12 serving as comparator 1 output, Hall 1 input 2, UART0 receive, Timer3 channel 0, external flash clock, ADC0 channel 12 and comparator 1 positive input 3. |
| 61 | VCC | power_in | 5V power input. |
| 62 | AVSS | power_in | Analog ground reference pin. |
| 63 | P4_15 | bidirectional | Multifunction GPIO P4.15 serving as Hall 0 input 0, UART2 receive, SPI1 input, I2C0 clock, Timer1 channel 0, Timer2 channel 1, ADC trigger debugging 1, CAN external timestamp clock, external flash data 2, ADC0 channel 8 and comparator 0 positive input 3, with 5V input tolerance. |
| 64 | P5_0 | bidirectional | Multifunction GPIO P5.0 serving as comparator 0 output, PWM0 channel 3 low side, I2C1 data, Timer3 channel 0, ADC trigger debugging 0, external flash data 3, ADC0 channel 7, comparator 0 negative input and EXTI32. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | LINKOSEMI |
| Package | LQFP-64(10x10) |
| Category | Single Chip Microcomputer/Microcontroller |
| Pins | 64 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| LDO Supply Voltage (AVDD) (451L/455L/457L) | AVDD | -0.3 |  | 8 | V |  | 38 |
| LDO Supply Current (451L/455L/457L) |  |  |  | 80 | mA |  | 38 |
| Operating temperature |  | -40 |  | 105 | ˚C |  | 38 |
| Storage temperature |  | -40 |  | 150 | ˚C |  | 38 |
| Junction temperature |  |  |  | 125 | °C |  | 38 |
| Pin temperature (welding, 10s) |  |  |  | 260 | °C | welding, 10s | 38 |
| LDO Supply Voltage (AVDD) (451L/455L/457L) | AVDD | 4.5 | 5 | 5.5 | V | Output 3.3v | 38 |
| Analog power voltage (AVDDA), REF2VDD=0, ADC uses internal 2.4V reference | AVDDA | 2.8 | 3.3 | 3.6 | V | REF2VDD=0, ADC uses internal 2.4V reference | 38 |
| Analog power voltage (AVDDA), REF2VDD=1, ADC uses AVDD as reference | AVDDA | 2.4 | 3.3 | 3.6 | V | REF2VDD=1, ADC uses AVDD as reference | 38 |
| ESD test (HBM), MCU PIN |  | -6000 |  | 6000 | V | HBM, MCU PIN | 38 |
| ESD test (HBM), 451L/455L/457L 3.3V LDO PIN |  | -2500 |  | 2500 | V | HBM, 3.3V LDO PIN | 38 |
| Latch-up current |  | -200 |  | 200 | mA | 85℃ | 38 |
| Input voltage range of GPIO signal (not 5V tolerant) | VIN | -0.3 |  | 3.6 | V |  | 39 |
| Input voltage range of GPIO signal (5V tolerant) | VIN(5VT) | -0.3 |  | 5.5 | V |  | 39 |
| Maximum input current of single GPIO | IINJ_PAD | -18 |  | 18 | mA |  | 39 |
| Maximum input current of all GPIOs | IINJ_SUM | -50 |  | 50 | mA |  | 39 |
| Digital IO input HV | VIH | 2 |  |  | V | AVDD 3.3 | 39 |
| Digital IO input LV | VIL |  |  | 0.8 | V | AVDD 3.3 | 39 |
| Digital IO input HV, current consumption | IIH |  |  | 10 | uA | AVDD 3.3 | 39 |
| Digital IO input LV, current consumption | IIL | -10 |  |  | uA | AVDD 3.3 | 39 |
| Digital IO output LV | VOL |  |  | 0.4 | V | AVDD 3.3 | 39 |
| IO Drive current | I IO | 4.5 |  | 18 | mA | AVDD 3.3 | 39 |
| High speed clock turn-off sleep |  | 0.4 | 0.5 | 0.7 | mA | 3.3V power supply, 25°C, chip running at 192MHz clock (table note) | 40 |
| Power gating sleep |  | 7 | 9 | 20 | uA | 3.3V power supply, 25°C, chip running at 192MHz clock (table note) | 40 |
| Operating power (ADC), REF2VDD=0, ADC uses internal 2.4V reference |  | 2.8 | 3.3 | 3.6 | V | REF2VDD=0, ADC uses internal 2.4V reference | 41 |
| Operating power (ADC), REF2VDD=1, ADC uses AVDD as reference |  | 2.4 | 3.3 | 3.6 | V | REF2VDD=1, ADC uses AVDD as reference | 41 |
| Effective number of bits (ENOB) | ENOB | 10.5 | 11.5 |  | bit |  | 41 |
| INL (ADC) | INL | 2 | 3 |  | LSB |  | 41 |
| DNL (ADC) | DNL | 1 | 2 |  | LSB |  | 41 |
| SNR (ADC) | SNR | 63 | 69 |  | dB |  | 41 |
| Output deviation (REF) |  | -9 |  | 9 | mV |  | 41 |
| Temperature coefficient (REF) |  |  | 20 |  | ppm/°C |  | 41 |
| Operating power (REF) |  | 2.2 | 3.3 | 3.6 | V |  | 41 |
| Operating power (DAC) |  | 2.2 | 3.3 | 3.6 | V |  | 41 |
| DAC conversion speed |  |  | 1 |  | MHz |  | 41 |
| DNL (DAC) | DNL | 1 | 2 |  | LSB |  | 41 |
| INL (DAC) | INL | 2 | 4 |  | LSB |  | 41 |
| OPA operating power |  | 2.8 | 3.3 | 3.6 | V |  | 42 |
| OPA bandwidth |  |  | 20 | 30 | Hz |  | 42 |
| OPA common mode rejection ratio (CMRR) | CMRR |  | 80 |  | dB |  | 42 |
| OPA power supply rejection ratio (PSRR) | PSRR |  | 80 |  | dB |  | 42 |
| OPA load current |  |  | 500 |  | uA |  | 42 |
| OPA slew rate |  |  | 5 |  | V/us |  | 42 |
| OPA phase margin |  |  | 60 |  | Degree |  | 42 |
| CMP operating power |  | 2.2 | 3.3 | 3.6 | V |  | 42 |
| CMP OFFSET |  |  | 10 | 15 | mV |  | 42 |
| CMP hysteresis |  |  | 20 |  | mV | HYS='0' | 42 |

## CAD (KiCad official)

- Symbol: `LKS32MC455LRCT8`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `lks32mc455lrct8-etched.step` / `lks32mc455lrct8-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lks32mc455lrct8.step` / `lks32mc455lrct8.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [LINKOSEMI datasheet](docs/lks32mc455lrct8-datasheet.pdf) (66 pp, sha256 `d6cf5b79bab1c87f`, retrieved 2026-10-27, 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/lks32mc455lrct8-datasheet.pdf)