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STM32L100RCT6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
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STM32L100RCT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32L100RCT6 from STMicroelectronics, in a LQFP-64(10x10). 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 | VLCD | power_in | LCD power supply pin for the optional LCD power supply scheme. |
| 2 | PC13-WKUP2 | bidirectional | 5 V tolerant (FT) GPIO PC13 with alternate functions WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT. |
| 3 | PC14-OSC32_IN | bidirectional | GPIO PC14 that is configured as OSC32_IN only when the LSE oscillator is on (LSEON bit in RCC_CSR); otherwise it is a general-purpose I/O. |
| 4 | PC15-OSC32_OUT | bidirectional | GPIO PC15 that is configured as OSC32_OUT only when the LSE oscillator is on (LSEON bit in RCC_CSR); otherwise it is a general-purpose I/O. |
| 5 | PH0-OSC_IN | input | Input-only pin PH0 that is configured as OSC_IN only when the HSE oscillator is on (HSEON bit in RCC_CR); otherwise it is a general-purpose PH0 I/O. |
| 6 | PH1-OSC_OUT | output | Output pin PH1 that is configured as OSC_OUT only when the HSE oscillator is on (HSEON bit in RCC_CR); otherwise it is a general-purpose PH1 I/O. |
| 7 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |
| 8 | PC0 | bidirectional | 5 V tolerant (FT) GPIO PC0 with alternate functions LCD_SEG18 and ADC_IN10/COMP1_INP. |
| 9 | PC1 | bidirectional | 5 V tolerant (FT) GPIO PC1 with alternate functions LCD_SEG19 and ADC_IN11/COMP1_INP. |
| 10 | PC2 | bidirectional | 5 V tolerant (FT) GPIO PC2 with alternate functions LCD_SEG20 and ADC_IN12/COMP1_INP. |
| 11 | PC3 | bidirectional | Standard 3.3 V I/O PC3 with alternate functions LCD_SEG21 and ADC_IN13/COMP1_INP. |
| 12 | VSSA | power_in | Analog ground pin for the ADC and analog blocks. |
| 13 | VDDA | power_in | Analog supply pin; the ADC table gives VDDA as 1.8 V to 3.6 V. |
| 14 | PA0-WKUP1 | bidirectional | 5 V tolerant (FT) GPIO PA0 with alternate functions TIM2_CH1_ETR, USART2_CTS, WKUP1, RTC_TAMP2, ADC_IN0 and COMP1_INP. |
| 15 | PA1 | bidirectional | 5 V tolerant (FT) GPIO PA1 with alternate functions TIM2_CH2, USART2_RTS, LCD_SEG0, ADC_IN1, COMP1_INP and OPAMP1_VINP. |
| 16 | PA2 | bidirectional | 5 V tolerant (FT) GPIO PA2 with alternate functions TIM2_CH3, TIM9_CH1, USART2_TX, LCD_SEG1, ADC_IN2, COMP1_INP and OPAMP1_VINM. |
| 17 | PA3 | bidirectional | Standard 3.3 V I/O PA3 with alternate functions TIM2_CH4, TIM9_CH2, USART2_RX, LCD_SEG2, ADC_IN3, COMP1_INP and OPAMP1_VOUT. |
| 18 | VSS_4 | power_in | Digital ground pin. |
| 19 | VDD_4 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
| 20 | PA4 | bidirectional | Standard 3.3 V I/O PA4 with alternate functions SPI1_NSS, SPI3_NSS, I2S3_WS, USART2_CK, ADC_IN4, DAC_OUT1 and COMP1_INP. |
| 21 | PA5 | bidirectional | Standard 3.3 V I/O PA5 with alternate functions TIM2_CH1_ETR, SPI1_SCK, ADC_IN5, DAC_OUT2 and COMP1_INP. |
| 22 | PA6 | bidirectional | 5 V tolerant (FT) GPIO PA6 with alternate functions TIM3_CH1, TIM10_CH1, SPI1_MISO, LCD_SEG3, ADC_IN6, COMP1_INP and OPAMP2_VINP. |
| 23 | PA7 | bidirectional | 5 V tolerant (FT) GPIO PA7 with alternate functions TIM3_CH2, TIM11_CH1, SPI1_MOSI, LCD_SEG4, ADC_IN7, COMP1_INP and OPAMP2_VINM. |
| 24 | PC4 | bidirectional | 5 V tolerant (FT) GPIO PC4 with alternate functions LCD_SEG22, ADC_IN14 and COMP1_INP. |
| 25 | PC5 | bidirectional | 5 V tolerant (FT) GPIO PC5 with alternate functions LCD_SEG23, ADC_IN15 and COMP1_INP. |
| 26 | PB0 | bidirectional | Standard 3.3 V I/O PB0 with alternate functions TIM3_CH3, LCD_SEG5, ADC_IN8, COMP1_INP, OPAMP2_VOUT and VREF_OUT. |
| 27 | PB1 | bidirectional | 5 V tolerant (FT) GPIO PB1 with alternate functions TIM3_CH4, LCD_SEG6, ADC_IN9, COMP1_INP and VREF_OUT. |
| 28 | PB2 | bidirectional | 5 V tolerant (FT) GPIO PB2 that doubles as the BOOT1 pin, with COMP1_INP as an additional function. |
| 29 | PB10 | bidirectional | 5 V tolerant (FT) GPIO PB10 with alternate functions TIM2_CH3, I2C2_SCL, USART3_TX and LCD_SEG10. |
| 30 | PB11 | bidirectional | 5 V tolerant (FT) GPIO PB11 with alternate functions TIM2_CH4, I2C2_SDA, USART3_RX and LCD_SEG11. |
| 31 | VSS_1 | power_in | Digital ground pin. |
| 32 | VDD_1 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
| 33 | PB12 | bidirectional | 5 V tolerant (FT) GPIO PB12 with alternate functions TIM10_CH1, I2C2_SMBA, SPI2_NSS, I2S2_WS, USART3_CK, LCD_SEG12, ADC_IN18 and COMP1_INP. |
| 34 | PB13 | bidirectional | 5 V tolerant (FT) GPIO PB13 with alternate functions TIM9_CH1, SPI2_SCK, I2S2_CK, USART3_CTS, LCD_SEG13, ADC_IN19 and COMP1_INP. |
| 35 | PB14 | bidirectional | 5 V tolerant (FT) GPIO PB14 with alternate functions TIM9_CH2, SPI2_MISO, USART3_RTS, LCD_SEG14, ADC_IN20 and COMP1_INP. |
| 36 | PB15 | bidirectional | 5 V tolerant (FT) GPIO PB15 with alternate functions TIM11_CH1, SPI2_MOSI, I2S2_SD, LCD_SEG15, ADC_IN21, COMP1_INP and RTC_REFIN. |
| 37 | PC6 | bidirectional | 5 V tolerant (FT) GPIO PC6 with alternate functions TIM3_CH1, I2S2_MCK and LCD_SEG24. |
| 38 | PC7 | bidirectional | 5 V tolerant (FT) GPIO PC7 with alternate functions TIM3_CH2, I2S3_MCK and LCD_SEG25. |
| 39 | PC8 | bidirectional | 5 V tolerant (FT) GPIO PC8 with alternate functions TIM3_CH3 and LCD_SEG26. |
| 40 | PC9 | bidirectional | 5 V tolerant (FT) GPIO PC9 with alternate functions TIM3_CH4 and LCD_SEG27. |
| 41 | PA8 | bidirectional | 5 V tolerant (FT) GPIO PA8 with alternate functions USART1_CK, MCO and LCD_COM0. |
| 42 | PA9 | bidirectional | 5 V tolerant (FT) GPIO PA9 with alternate functions USART1_TX and LCD_COM1. |
| 43 | PA10 | bidirectional | 5 V tolerant (FT) GPIO PA10 with alternate functions USART1_RX and LCD_COM2. |
| 44 | PA11 | bidirectional | 5 V tolerant (FT) GPIO PA11 with alternate functions USART1_CTS and SPI1_MISO, and additional function USB_DM. |
| 45 | PA12 | bidirectional | 5 V tolerant (FT) GPIO PA12 with alternate functions USART1_RTS and SPI1_MOSI, and additional function USB_DP. |
| 46 | PA13 | bidirectional | 5 V tolerant (FT) pin PA13 whose main function after reset is JTMS-SWDIO (serial wire debug data). |
| 47 | VSS_2 | power_in | Digital ground pin. |
| 48 | VDD_2 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
| 49 | PA14 | bidirectional | 5 V tolerant (FT) pin PA14 whose main function after reset is JTCK-SWCLK (serial wire debug clock). |
| 50 | PA15 | bidirectional | 5 V tolerant (FT) pin PA15 whose main function after reset is JTDI, with alternate functions TIM2_CH1_ETR, SPI1_NSS, SPI3_NSS, I2S3_WS and LCD_SEG17. |
| 51 | PC10 | bidirectional | 5 V tolerant (FT) GPIO PC10 with alternate functions SPI3_SCK, I2S3_CK, USART3_TX, LCD_SEG28, LCD_SEG40 and LCD_COM4. |
| 52 | PC11 | bidirectional | 5 V tolerant (FT) GPIO PC11 with alternate functions SPI3_MISO, USART3_RX, LCD_SEG29, LCD_SEG41 and LCD_COM5. |
| 53 | PC12 | bidirectional | 5 V tolerant (FT) GPIO PC12 with alternate functions SPI3_MOSI, I2S3_SD, USART3_CK, LCD_SEG30, LCD_SEG42 and LCD_COM6. |
| 54 | PD2 | bidirectional | 5 V tolerant (FT) GPIO PD2 with alternate functions TIM3_ETR, LCD_SEG31, LCD_SEG43 and LCD_COM7. |
| 55 | PB3 | bidirectional | 5 V tolerant (FT) pin PB3 whose main function after reset is JTDO, with alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, I2S3_CK, LCD_SEG7 and additional function COMP2_INM. |
| 56 | PB4 | bidirectional | 5 V tolerant (FT) pin PB4 whose main function after reset is NJTRST, with alternate functions TIM3_CH1, SPI1_MISO, SPI3_MISO and LCD_SEG8, and additional function COMP2_INP. |
| 57 | PB5 | bidirectional | 5 V tolerant (FT) GPIO PB5 with alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, I2S3_SD and LCD_SEG9, and additional function COMP2_INP. |
| 58 | PB6 | bidirectional | 5 V tolerant (FT) GPIO PB6 with alternate functions TIM4_CH1, I2C1_SCL and USART1_TX, and additional function COMP2_INP. |
| 59 | PB7 | bidirectional | 5 V tolerant (FT) GPIO PB7 with alternate functions TIM4_CH2, I2C1_SDA and USART1_RX, and additional functions COMP2_INP and PVD_IN. |
| 60 | BOOT0 | input | Dedicated BOOT0 input pin used for boot mode selection. |
| 61 | PB8 | bidirectional | 5 V tolerant (FT) GPIO PB8 with alternate functions TIM4_CH3, TIM10_CH1, I2C1_SCL and LCD_SEG16. |
| 62 | PB9 | bidirectional | 5 V tolerant (FT) GPIO PB9 with alternate functions TIM4_CH4, TIM11_CH1, I2C1_SDA and LCD_COM3. |
| 63 | VSS_3 | power_in | Digital ground pin. |
| 64 | VDD_3 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
STM32L100RCT6 - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
stm32l100rct6-etched.step/stm32l100rct6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l100rct6.step/stm32l100rct6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (106 pp, sha256
566075fb46f44c84, retrieved 2026-10-11, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).
# STM32L100RCT6
**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32L100RCT6 from STMicroelectronics, in a LQFP-64(10x10). 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 | VLCD | power_in | LCD power supply pin for the optional LCD power supply scheme. |
| 2 | PC13-WKUP2 | bidirectional | 5 V tolerant (FT) GPIO PC13 with alternate functions WKUP2, RTC_TAMP1, RTC_TS and RTC_OUT. |
| 3 | PC14-OSC32_IN | bidirectional | GPIO PC14 that is configured as OSC32_IN only when the LSE oscillator is on (LSEON bit in RCC_CSR); otherwise it is a general-purpose I/O. |
| 4 | PC15-OSC32_OUT | bidirectional | GPIO PC15 that is configured as OSC32_OUT only when the LSE oscillator is on (LSEON bit in RCC_CSR); otherwise it is a general-purpose I/O. |
| 5 | PH0-OSC_IN | input | Input-only pin PH0 that is configured as OSC_IN only when the HSE oscillator is on (HSEON bit in RCC_CR); otherwise it is a general-purpose PH0 I/O. |
| 6 | PH1-OSC_OUT | output | Output pin PH1 that is configured as OSC_OUT only when the HSE oscillator is on (HSEON bit in RCC_CR); otherwise it is a general-purpose PH1 I/O. |
| 7 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |
| 8 | PC0 | bidirectional | 5 V tolerant (FT) GPIO PC0 with alternate functions LCD_SEG18 and ADC_IN10/COMP1_INP. |
| 9 | PC1 | bidirectional | 5 V tolerant (FT) GPIO PC1 with alternate functions LCD_SEG19 and ADC_IN11/COMP1_INP. |
| 10 | PC2 | bidirectional | 5 V tolerant (FT) GPIO PC2 with alternate functions LCD_SEG20 and ADC_IN12/COMP1_INP. |
| 11 | PC3 | bidirectional | Standard 3.3 V I/O PC3 with alternate functions LCD_SEG21 and ADC_IN13/COMP1_INP. |
| 12 | VSSA | power_in | Analog ground pin for the ADC and analog blocks. |
| 13 | VDDA | power_in | Analog supply pin; the ADC table gives VDDA as 1.8 V to 3.6 V. |
| 14 | PA0-WKUP1 | bidirectional | 5 V tolerant (FT) GPIO PA0 with alternate functions TIM2_CH1_ETR, USART2_CTS, WKUP1, RTC_TAMP2, ADC_IN0 and COMP1_INP. |
| 15 | PA1 | bidirectional | 5 V tolerant (FT) GPIO PA1 with alternate functions TIM2_CH2, USART2_RTS, LCD_SEG0, ADC_IN1, COMP1_INP and OPAMP1_VINP. |
| 16 | PA2 | bidirectional | 5 V tolerant (FT) GPIO PA2 with alternate functions TIM2_CH3, TIM9_CH1, USART2_TX, LCD_SEG1, ADC_IN2, COMP1_INP and OPAMP1_VINM. |
| 17 | PA3 | bidirectional | Standard 3.3 V I/O PA3 with alternate functions TIM2_CH4, TIM9_CH2, USART2_RX, LCD_SEG2, ADC_IN3, COMP1_INP and OPAMP1_VOUT. |
| 18 | VSS_4 | power_in | Digital ground pin. |
| 19 | VDD_4 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
| 20 | PA4 | bidirectional | Standard 3.3 V I/O PA4 with alternate functions SPI1_NSS, SPI3_NSS, I2S3_WS, USART2_CK, ADC_IN4, DAC_OUT1 and COMP1_INP. |
| 21 | PA5 | bidirectional | Standard 3.3 V I/O PA5 with alternate functions TIM2_CH1_ETR, SPI1_SCK, ADC_IN5, DAC_OUT2 and COMP1_INP. |
| 22 | PA6 | bidirectional | 5 V tolerant (FT) GPIO PA6 with alternate functions TIM3_CH1, TIM10_CH1, SPI1_MISO, LCD_SEG3, ADC_IN6, COMP1_INP and OPAMP2_VINP. |
| 23 | PA7 | bidirectional | 5 V tolerant (FT) GPIO PA7 with alternate functions TIM3_CH2, TIM11_CH1, SPI1_MOSI, LCD_SEG4, ADC_IN7, COMP1_INP and OPAMP2_VINM. |
| 24 | PC4 | bidirectional | 5 V tolerant (FT) GPIO PC4 with alternate functions LCD_SEG22, ADC_IN14 and COMP1_INP. |
| 25 | PC5 | bidirectional | 5 V tolerant (FT) GPIO PC5 with alternate functions LCD_SEG23, ADC_IN15 and COMP1_INP. |
| 26 | PB0 | bidirectional | Standard 3.3 V I/O PB0 with alternate functions TIM3_CH3, LCD_SEG5, ADC_IN8, COMP1_INP, OPAMP2_VOUT and VREF_OUT. |
| 27 | PB1 | bidirectional | 5 V tolerant (FT) GPIO PB1 with alternate functions TIM3_CH4, LCD_SEG6, ADC_IN9, COMP1_INP and VREF_OUT. |
| 28 | PB2 | bidirectional | 5 V tolerant (FT) GPIO PB2 that doubles as the BOOT1 pin, with COMP1_INP as an additional function. |
| 29 | PB10 | bidirectional | 5 V tolerant (FT) GPIO PB10 with alternate functions TIM2_CH3, I2C2_SCL, USART3_TX and LCD_SEG10. |
| 30 | PB11 | bidirectional | 5 V tolerant (FT) GPIO PB11 with alternate functions TIM2_CH4, I2C2_SDA, USART3_RX and LCD_SEG11. |
| 31 | VSS_1 | power_in | Digital ground pin. |
| 32 | VDD_1 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
| 33 | PB12 | bidirectional | 5 V tolerant (FT) GPIO PB12 with alternate functions TIM10_CH1, I2C2_SMBA, SPI2_NSS, I2S2_WS, USART3_CK, LCD_SEG12, ADC_IN18 and COMP1_INP. |
| 34 | PB13 | bidirectional | 5 V tolerant (FT) GPIO PB13 with alternate functions TIM9_CH1, SPI2_SCK, I2S2_CK, USART3_CTS, LCD_SEG13, ADC_IN19 and COMP1_INP. |
| 35 | PB14 | bidirectional | 5 V tolerant (FT) GPIO PB14 with alternate functions TIM9_CH2, SPI2_MISO, USART3_RTS, LCD_SEG14, ADC_IN20 and COMP1_INP. |
| 36 | PB15 | bidirectional | 5 V tolerant (FT) GPIO PB15 with alternate functions TIM11_CH1, SPI2_MOSI, I2S2_SD, LCD_SEG15, ADC_IN21, COMP1_INP and RTC_REFIN. |
| 37 | PC6 | bidirectional | 5 V tolerant (FT) GPIO PC6 with alternate functions TIM3_CH1, I2S2_MCK and LCD_SEG24. |
| 38 | PC7 | bidirectional | 5 V tolerant (FT) GPIO PC7 with alternate functions TIM3_CH2, I2S3_MCK and LCD_SEG25. |
| 39 | PC8 | bidirectional | 5 V tolerant (FT) GPIO PC8 with alternate functions TIM3_CH3 and LCD_SEG26. |
| 40 | PC9 | bidirectional | 5 V tolerant (FT) GPIO PC9 with alternate functions TIM3_CH4 and LCD_SEG27. |
| 41 | PA8 | bidirectional | 5 V tolerant (FT) GPIO PA8 with alternate functions USART1_CK, MCO and LCD_COM0. |
| 42 | PA9 | bidirectional | 5 V tolerant (FT) GPIO PA9 with alternate functions USART1_TX and LCD_COM1. |
| 43 | PA10 | bidirectional | 5 V tolerant (FT) GPIO PA10 with alternate functions USART1_RX and LCD_COM2. |
| 44 | PA11 | bidirectional | 5 V tolerant (FT) GPIO PA11 with alternate functions USART1_CTS and SPI1_MISO, and additional function USB_DM. |
| 45 | PA12 | bidirectional | 5 V tolerant (FT) GPIO PA12 with alternate functions USART1_RTS and SPI1_MOSI, and additional function USB_DP. |
| 46 | PA13 | bidirectional | 5 V tolerant (FT) pin PA13 whose main function after reset is JTMS-SWDIO (serial wire debug data). |
| 47 | VSS_2 | power_in | Digital ground pin. |
| 48 | VDD_2 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
| 49 | PA14 | bidirectional | 5 V tolerant (FT) pin PA14 whose main function after reset is JTCK-SWCLK (serial wire debug clock). |
| 50 | PA15 | bidirectional | 5 V tolerant (FT) pin PA15 whose main function after reset is JTDI, with alternate functions TIM2_CH1_ETR, SPI1_NSS, SPI3_NSS, I2S3_WS and LCD_SEG17. |
| 51 | PC10 | bidirectional | 5 V tolerant (FT) GPIO PC10 with alternate functions SPI3_SCK, I2S3_CK, USART3_TX, LCD_SEG28, LCD_SEG40 and LCD_COM4. |
| 52 | PC11 | bidirectional | 5 V tolerant (FT) GPIO PC11 with alternate functions SPI3_MISO, USART3_RX, LCD_SEG29, LCD_SEG41 and LCD_COM5. |
| 53 | PC12 | bidirectional | 5 V tolerant (FT) GPIO PC12 with alternate functions SPI3_MOSI, I2S3_SD, USART3_CK, LCD_SEG30, LCD_SEG42 and LCD_COM6. |
| 54 | PD2 | bidirectional | 5 V tolerant (FT) GPIO PD2 with alternate functions TIM3_ETR, LCD_SEG31, LCD_SEG43 and LCD_COM7. |
| 55 | PB3 | bidirectional | 5 V tolerant (FT) pin PB3 whose main function after reset is JTDO, with alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, I2S3_CK, LCD_SEG7 and additional function COMP2_INM. |
| 56 | PB4 | bidirectional | 5 V tolerant (FT) pin PB4 whose main function after reset is NJTRST, with alternate functions TIM3_CH1, SPI1_MISO, SPI3_MISO and LCD_SEG8, and additional function COMP2_INP. |
| 57 | PB5 | bidirectional | 5 V tolerant (FT) GPIO PB5 with alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, I2S3_SD and LCD_SEG9, and additional function COMP2_INP. |
| 58 | PB6 | bidirectional | 5 V tolerant (FT) GPIO PB6 with alternate functions TIM4_CH1, I2C1_SCL and USART1_TX, and additional function COMP2_INP. |
| 59 | PB7 | bidirectional | 5 V tolerant (FT) GPIO PB7 with alternate functions TIM4_CH2, I2C1_SDA and USART1_RX, and additional functions COMP2_INP and PVD_IN. |
| 60 | BOOT0 | input | Dedicated BOOT0 input pin used for boot mode selection. |
| 61 | PB8 | bidirectional | 5 V tolerant (FT) GPIO PB8 with alternate functions TIM4_CH3, TIM10_CH1, I2C1_SCL and LCD_SEG16. |
| 62 | PB9 | bidirectional | 5 V tolerant (FT) GPIO PB9 with alternate functions TIM4_CH4, TIM11_CH1, I2C1_SDA and LCD_COM3. |
| 63 | VSS_3 | power_in | Digital ground pin. |
| 64 | VDD_3 | power_in | Digital supply pin within the 1.65 V to 3.6 V power supply range. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
## CAD (KiCad official)
- Symbol: `STM32L100RCT6`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `stm32l100rct6-etched.step` / `stm32l100rct6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l100rct6.step` / `stm32l100rct6.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/8603074367899115520) (106 pp, sha256 `566075fb46f44c84`, retrieved 2026-10-11, 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/stm32l100rct6-datasheet.pdf)