# STM32L162VET6

**STMicroelectronics** · Microcontrollers (MCU/MPU/SOC) · LQFP-100(14x14)

STM32L162VET6 from STMicroelectronics, in a LQFP-100(14x14). 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); main function after reset is PE2; alternate functions TIM3_ETR, LCD_SEG38, TRACECLK. |
| 2 | PE3 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH1, LCD_SEG39, TRACED0. |
| 3 | PE4 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH2, TRACED1. |
| 4 | PE5 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM9_CH1, TRACED2. |
| 5 | PE6-WKUP3 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM9_CH2, TRACED3; additional function WKUP3/RTC_TAMP3 wake-up pin. |
| 6 | VLCD | power_in | LCD controller supply pin (VLCD) as listed in Table 8; the optional LCD power supply scheme is described in Section 6.1.7, which is not in the provided text. |
| 7 | PC13-WKUP2 | bidirectional | 5 V tolerant I/O (FT); additional functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT. |
| 8 | PC14-OSC32_IN | bidirectional | Standard 3.3 V I/O (TC); functions as OSC32_IN only when the LSE oscillator is on (LSEON bit), otherwise it is general-purpose PC14. |
| 9 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V I/O (TC); functions as OSC32_OUT only when the LSE oscillator is on (LSEON bit), otherwise it is general-purpose PC15. |
| 10 | VSS_5 | power_in | Ground supply pin VSS_5. |
| 11 | VDD_5 | power_in | Power supply pin VDD_5; the device supply range is 1.65 V to 3.6 V. |
| 12 | PH0-OSC_IN | bidirectional | Standard 3.3 V I/O (TC); functions as OSC_IN only when the HSE oscillator is on (HSEON bit), otherwise it is general-purpose PH0. |
| 13 | PH1-OSC_OUT | bidirectional | Standard 3.3 V I/O (TC); functions as OSC_OUT only when the HSE oscillator is on (HSEON bit), otherwise it is general-purpose PH1. |
| 14 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |
| 15 | PC0 | bidirectional | 5 V tolerant I/O (FT); alternate functions LCD_SEG18, ADC_IN10, COMP1_INP. |
| 16 | PC1 | bidirectional | 5 V tolerant I/O (FT); alternate functions LCD_SEG19, ADC_IN11, COMP1_INP. |
| 17 | PC2 | bidirectional | 5 V tolerant I/O (FT); alternate functions LCD_SEG20, ADC_IN12, COMP1_INP. |
| 18 | PC3 | bidirectional | Standard 3.3 V I/O (TC); alternate functions LCD_SEG21, ADC_IN13, COMP1_INP. |
| 19 | VSSA | power_in | Analog ground pin VSSA. |
| 20 | VREF- | power_in | Negative ADC reference; must be tied to ground (with VSSA), per Table 55 note 4. |
| 21 | VREF+ | power_in | Positive ADC/DAC reference, minimum 1.8 V up to VDDA; it can be grounded if neither the ADC nor the DAC is used. |
| 22 | VDDA | power_in | Analog supply pin; the ADC supply range is 1.8 V to 3.6 V. |
| 23 | PA0-WKUP1 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM2_CH1_ETR, TIM5_CH1, USART2_CTS; additional functions WKUP1, RTC_TAMP2, ADC_IN0, COMP1_INP. |
| 24 | PA1 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS, LCD_SEG0; additional functions ADC_IN1, COMP1_INP, OPAMP1_VINP. |
| 25 | PA2 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, LCD_SEG1; additional functions ADC_IN2, COMP1_INP, OPAMP1_VINM. |
| 26 | PA3 | bidirectional | Standard 3.3 V I/O (TC); alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, USART2_RX, LCD_SEG2; additional functions ADC_IN3, COMP1_INP, OPAMP1_VOUT. |
| 27 | VSS_4 | power_in | Ground supply pin VSS_4. |
| 28 | VDD_4 | power_in | Power supply pin VDD_4; the device supply range is 1.65 V to 3.6 V. |
| 29 | PA4 | bidirectional | Standard 3.3 V I/O (TC); alternate functions SPI1_NSS, SPI3_NSS, I2S3_WS, USART2_CK; additional functions ADC_IN4, DAC_OUT1, COMP1_INP. |
| 30 | PA5 | bidirectional | Standard 3.3 V I/O (TC); alternate functions TIM2_CH1_ETR, SPI1_SCK; additional functions ADC_IN5, DAC_OUT2, COMP1_INP. |
| 31 | PA6 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH1, TIM10_CH1, SPI1_MISO, LCD_SEG3; additional functions ADC_IN6, COMP1_INP, OPAMP2_VINP. |
| 32 | PA7 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH2, TIM11_CH1, SPI1_MOSI, LCD_SEG4; additional functions ADC_IN7, COMP1_INP, OPAMP2_VINM. |
| 33 | PC4 | bidirectional | 5 V tolerant I/O (FT); alternate function LCD_SEG22; additional functions ADC_IN14, COMP1_INP. |
| 34 | PC5 | bidirectional | 5 V tolerant I/O (FT); alternate function LCD_SEG23; additional functions ADC_IN15, COMP1_INP. |
| 35 | PB0 | bidirectional | Standard 3.3 V I/O (TC); alternate functions TIM3_CH3, LCD_SEG5; additional functions ADC_IN8, COMP1_INP, OPAMP2_VOUT, VREF_OUT. |
| 36 | PB1 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH4, LCD_SEG6; additional functions ADC_IN9, COMP1_INP, VREF_OUT. |
| 37 | PB2/BOOT1 | bidirectional | 5 V tolerant I/O (FT); main function after reset is BOOT1; additional function ADC_IN0b. |
| 38 | PE7 | bidirectional | Standard 3.3 V I/O (TC); additional functions ADC_IN22, COMP1_INP. |
| 39 | PE8 | bidirectional | Standard 3.3 V I/O (TC); additional functions ADC_IN23, COMP1_INP. |
| 40 | PE9 | bidirectional | Standard 3.3 V I/O (TC); alternate function TIM2_CH1_ETR; additional functions ADC_IN24, COMP1_INP. |
| 41 | PE10 | bidirectional | Standard 3.3 V I/O (TC); alternate function TIM2_CH2; additional functions ADC_IN25, COMP1_INP. |
| 42 | PE11 | bidirectional | 5 V tolerant I/O (FT); alternate function TIM2_CH3. |
| 43 | PE12 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM2_CH4, SPI1_NSS. |
| 44 | PE13 | bidirectional | 5 V tolerant I/O (FT); alternate function SPI1_SCK. |
| 45 | PE14 | bidirectional | 5 V tolerant I/O (FT); alternate function SPI1_MISO. |
| 46 | PE15 | bidirectional | 5 V tolerant I/O (FT); alternate function SPI1_MOSI. |
| 47 | PB10 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM2_CH3, I2C2_SCL, USART3_TX, LCD_SEG10. |
| 48 | PB11 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM2_CH4, I2C2_SDA, USART3_RX, LCD_SEG11. |
| 49 | VSS_1 | power_in | Ground supply pin VSS_1. |
| 50 | VDD_1 | power_in | Power supply pin VDD_1; the device supply range is 1.65 V to 3.6 V. |
| 51 | PB12 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM10_CH1, I2C2_SMBA, SPI2_NSS, I2S2_WS, USART3_CK, LCD_SEG12; additional functions ADC_IN18, COMP1_INP. |
| 52 | PB13 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM9_CH1, SPI2_SCK, I2S2_CK, USART3_CTS, LCD_SEG13; additional functions ADC_IN19, COMP1_INP. |
| 53 | PB14 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM9_CH2, SPI2_MISO, USART3_RTS, LCD_SEG14; additional functions ADC_IN20, COMP1_INP. |
| 54 | PB15 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM11_CH1, SPI2_MOSI, I2S2_SD, LCD_SEG15; additional functions ADC_IN21, COMP1_INP, RTC_REFIN. |
| 55 | PD8 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART3_TX, LCD_SEG28. |
| 56 | PD9 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART3_RX, LCD_SEG29. |
| 57 | PD10 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART3_CK, LCD_SEG30. |
| 58 | PD11 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART3_CTS, LCD_SEG31. |
| 59 | PD12 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH1, USART3_RTS, LCD_SEG32. |
| 60 | PD13 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH2, LCD_SEG33. |
| 61 | PD14 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH3, LCD_SEG34. |
| 62 | PD15 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH4, LCD_SEG35. |
| 63 | PC6 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH1, I2S2_MCK, LCD_SEG24. |
| 64 | PC7 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH2, I2S3_MCK, LCD_SEG25. |
| 65 | PC8 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH3, LCD_SEG26. |
| 66 | PC9 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH4, LCD_SEG27. |
| 67 | PA8 | bidirectional | 5 V tolerant I/O (FT); alternate functions MCO, USART1_CK, LCD_COM0. |
| 68 | PA9 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART1_TX, LCD_COM1. |
| 69 | PA10 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART1_RX, LCD_COM2. |
| 70 | PA11 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART1_CTS, SPI1_MISO; additional function USB_DM. |
| 71 | PA12 | bidirectional | 5 V tolerant I/O (FT); alternate functions USART1_RTS, SPI1_MOSI; additional function USB_DP. |
| 72 | PA13 | bidirectional | 5 V tolerant I/O (FT); main function after reset is JTMS-SWDIO (serial wire debug data). |
| 73 | PH2 | bidirectional | 5 V tolerant I/O (FT); no alternate function is listed for this pin in Table 8. |
| 74 | VSS_2 | power_in | Ground supply pin VSS_2. |
| 75 | VDD_2 | power_in | Power supply pin VDD_2; the device supply range is 1.65 V to 3.6 V. |
| 76 | PA14 | bidirectional | 5 V tolerant I/O (FT); main function after reset is JTCK-SWCLK (serial wire debug clock). |
| 77 | PA15 | bidirectional | 5 V tolerant I/O (FT); main function after reset is JTDI; alternate functions TIM2_CH1_ETR, SPI1_NSS, SPI3_NSS, I2S3_WS, LCD_SEG17. |
| 78 | PC10 | bidirectional | 5 V tolerant I/O (FT); alternate functions SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX, LCD_SEG28/LCD_SEG40/LCD_COM4. |
| 79 | PC11 | bidirectional | 5 V tolerant I/O (FT); alternate functions SPI3_MISO, USART3_RX, UART4_RX, LCD_SEG29/LCD_SEG41/LCD_COM5. |
| 80 | PC12 | bidirectional | 5 V tolerant I/O (FT); alternate functions SPI3_MOSI, I2S3_SD, USART3_CK, UART5_TX, LCD_SEG30/LCD_SEG42/LCD_COM6. |
| 81 | PD0 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM9_CH1, SPI2_NSS, I2S2_WS. |
| 82 | PD1 | bidirectional | 5 V tolerant I/O (FT); alternate functions SPI2_SCK, I2S2_CK. |
| 83 | PD2 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_ETR, UART5_RX, LCD_SEG31/LCD_SEG43/LCD_COM7. |
| 84 | PD3 | bidirectional | 5 V tolerant I/O (FT); alternate functions SPI2_MISO, USART2_CTS. |
| 85 | PD4 | bidirectional | 5 V tolerant I/O (FT); alternate functions SPI2_MOSI, I2S2_SD, USART2_RTS. |
| 86 | PD5 | bidirectional | 5 V tolerant I/O (FT); alternate function USART2_TX. |
| 87 | PD6 | bidirectional | 5 V tolerant I/O (FT); alternate function USART2_RX. |
| 88 | PD7 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM9_CH2, USART2_CK. |
| 89 | PB3 | bidirectional | 5 V tolerant I/O (FT); main function after reset is JTDO; alternate functions TIM2_CH2, SPI1_SCK, SPI3_SCK, I2S3_CK, LCD_SEG7; additional function COMP2_INM. |
| 90 | PB4 | bidirectional | 5 V tolerant I/O (FT); main function after reset is NJTRST; alternate functions TIM3_CH1, SPI1_MISO, SPI3_MISO, LCD_SEG8; additional function COMP2_INP. |
| 91 | PB5 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, I2S3_SD, LCD_SEG9; additional function COMP2_INP. |
| 92 | PB6 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH1, I2C1_SCL, USART1_TX; additional function COMP2_INP. |
| 93 | PB7 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH2, I2C1_SDA, USART1_RX; additional functions COMP2_INP, PVD_IN. |
| 94 | BOOT0 | input | Dedicated BOOT0 input pin used for boot mode selection. |
| 95 | PB8 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH3, TIM10_CH1, I2C1_SCL, LCD_SEG16. |
| 96 | PB9 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_CH4, TIM11_CH1, I2C1_SDA, LCD_COM3. |
| 97 | PE0 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM4_ETR, TIM10_CH1, LCD_SEG36. |
| 98 | PE1 | bidirectional | 5 V tolerant I/O (FT); alternate functions TIM11_CH1, LCD_SEG37. |
| 99 | VSS_3 | power_in | Ground supply pin VSS_3. |
| 100 | VDD_3 | power_in | Power supply pin VDD_3; the device supply range is 1.65 V to 3.6 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-100(14x14) |
| Category | Embedded Processors & Controllers |
| Pins | 100 |

## CAD (KiCad official)

- Symbol: `STM32L162VET6`
- Footprint: `Package_QFP:LQFP-100_14x14mm_P0.5mm`
- 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
- 3D model files: `stm32l162vet6-etched.step` / `stm32l162vet6-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32l162vet6.step` / `stm32l162vet6.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/8603051306509103104) (130 pp, sha256 `78ae9ed1cd948d98`, 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/stm32l162vet6-datasheet.pdf)