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STM32L151VET6D

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STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-100(14x14). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.

componentembedded processors & controllersstm32l151vet6dfactory-2.0.0extractor-text
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STM32L151VET6D

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

STM32L151VET6D 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 (FT) I/O, floating after reset; alternate functions TIM3_ETR, LCD_SEG38, TRACECLK.
2 PE3 bidirectional 5 V tolerant (FT) I/O, floating after reset; alternate functions TIM3_CH1, LCD_SEG39, TRACED0.
3 PE4 bidirectional 5 V tolerant (FT) I/O, floating after reset; alternate functions TIM3_CH2, TRACED1.
4 PE5 bidirectional 5 V tolerant (FT) I/O, floating after reset; alternate functions TIM9_CH1, TRACED2.
5 PE6 bidirectional 5 V tolerant (FT) I/O with wakeup input WKUP3; alternate functions TIM9_CH2, TRACED3, RTC_TAMP3.
6 VLCD power_in LCD supply pin; on STM32L151xE devices (no LCD) this pin should be connected to VDD.
7 PC13 bidirectional 5 V tolerant (FT) I/O; additional functions WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT.
8 PC14 bidirectional Standard 3.3 V (TC) I/O; used as OSC32_IN only when the LSE oscillator is on (LSEON), otherwise a GPIO.
9 PC15 bidirectional Standard 3.3 V (TC) I/O; used as OSC32_OUT only when the LSE oscillator is on (LSEON), otherwise a GPIO.
10 VSS_5 power_in Ground pin of the digital supply domain (VSS_5).
11 VDD_5 power_in Digital supply pin (VDD_5); this D-option part is specified for 1.65 V to 3.6 V.
12 PH0-OSC_IN bidirectional Standard 3.3 V (TC) I/O; used as OSC_IN only when the HSE oscillator is on (HSEON), otherwise a GPIO.
13 PH1-OSC_OUT bidirectional Standard 3.3 V (TC) I/O; used as OSC_OUT only when the HSE oscillator is on (HSEON), otherwise a GPIO.
14 NRST bidirectional Bidirectional reset pin with embedded weak pull-up resistor.
15 PC0 bidirectional 5 V tolerant (FT) I/O; alternate functions LCD_SEG18, ADC_IN10, COMP1_INP, TIMx_IC1.
16 PC1 bidirectional 5 V tolerant (FT) I/O; alternate functions LCD_SEG19, ADC_IN11, COMP1_INP, TIMx_IC2.
17 PC2 bidirectional 5 V tolerant (FT) I/O; alternate functions LCD_SEG20, ADC_IN12, COMP1_INP, TIMx_IC3.
18 PC3 bidirectional Standard 3.3 V (TC) I/O; alternate functions LCD_SEG21, ADC_IN13, COMP1_INP, TIMx_IC4.
19 VSSA power_in Analog ground pin for the ADC, DAC and comparators (VSSA).
20 VREF- power_in Negative ADC reference voltage pin; VSSA or VREF- must be tied to ground.
21 VREF+ power_in Positive ADC/DAC reference voltage pin; it can be grounded if neither the ADC nor the DAC is used.
22 VDDA power_in Analog supply pin for the ADC, DAC and comparators; ADC supply is specified from 1.8 V to 3.6 V.
23 PA0-WKUP1 bidirectional 5 V tolerant (FT) I/O with wakeup input WKUP1; alternate functions TIM2_CH1_ETR, TIM5_CH1, USART2_CTS, RTC_TAMP2, ADC_IN0, COMP1_INP.
24 PA1 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM2_CH2, TIM5_CH2, USART2_RTS, LCD_SEG0, ADC_IN1, COMP1_INP, OPAMP1_VINP.
25 PA2 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM2_CH3, TIM5_CH3, TIM9_CH1, USART2_TX, LCD_SEG1, ADC_IN2, COMP1_INP, OPAMP1_VINM.
26 PA3 bidirectional Standard 3.3 V (TC) I/O; alternate functions TIM2_CH4, TIM5_CH4, TIM9_CH2, USART2_RX, LCD_SEG2, ADC_IN3, COMP1_INP, OPAMP1_VOUT.
27 VSS_4 power_in Ground pin of the digital supply domain (VSS_4).
28 VDD_4 power_in Digital supply pin (VDD_4); this D-option part is specified for 1.65 V to 3.6 V.
29 PA4 bidirectional Standard 3.3 V (TC) I/O; alternate functions SPI1_NSS, SPI3_NSS, I2S3_WS, USART2_CK, ADC_IN4, DAC_OUT1, COMP1_INP.
30 PA5 bidirectional Standard 3.3 V (TC) I/O; alternate functions TIM2_CH1_ETR, SPI1_SCK, ADC_IN5, DAC_OUT2, COMP1_INP.
31 PA6 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH1, TIM10_CH1, SPI1_MISO, LCD_SEG3, ADC_IN6, COMP1_INP, OPAMP2_VINP.
32 PA7 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH2, TIM11_CH1, SPI1_MOSI, LCD_SEG4, ADC_IN7, COMP1_INP, OPAMP2_VINM.
33 PC4 bidirectional 5 V tolerant (FT) I/O; alternate functions LCD_SEG22, ADC_IN14, COMP1_INP, TIMx_IC1.
34 PC5 bidirectional 5 V tolerant (FT) I/O; alternate functions LCD_SEG23, ADC_IN15, COMP1_INP, TIMx_IC2.
35 PB0 bidirectional Standard 3.3 V (TC) I/O; alternate functions TIM3_CH3, LCD_SEG5, ADC_IN8, COMP1_INP, OPAMP2_VOUT, VREF_OUT.
36 PB1 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH4, LCD_SEG6, ADC_IN9, COMP1_INP, VREF_OUT.
37 PB2 bidirectional 5 V tolerant (FT) I/O; also the BOOT1 function, alternate function ADC_IN0b.
38 PE7 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN22, COMP1_INP, TIMx_IC4.
39 PE8 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN23, COMP1_INP, TIMx_IC1.
40 PE9 bidirectional Standard 3.3 V (TC) I/O; alternate functions TIM2_CH1_ETR, ADC_IN24, COMP1_INP, TIMx_IC2.
41 PE10 bidirectional Standard 3.3 V (TC) I/O; alternate functions TIM2_CH2, ADC_IN25, COMP1_INP, TIMx_IC3.
42 PE11 bidirectional 5 V tolerant (FT) I/O; alternate function TIM2_CH3, TIMx_IC4.
43 PE12 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM2_CH4, SPI1_NSS, TIMx_IC1.
44 PE13 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI1_SCK, TIMx_IC2.
45 PE14 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI1_MISO, TIMx_IC3.
46 PE15 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI1_MOSI, TIMx_IC4.
47 PB10 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM2_CH3, I2C2_SCL, USART3_TX, LCD_SEG10.
48 PB11 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM2_CH4, I2C2_SDA, USART3_RX, LCD_SEG11.
49 VSS_1 power_in Ground pin of the digital supply domain (VSS_1).
50 VDD_1 power_in Digital supply pin (VDD_1); this D-option part is specified for 1.65 V to 3.6 V.
51 PB12 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM10_CH1, I2C2_SMBA, SPI2_NSS, I2S2_WS, USART3_CK, LCD_SEG12, ADC_IN18, COMP1_INP.
52 PB13 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM9_CH1, SPI2_SCK, I2S2_CK, USART3_CTS, LCD_SEG13, ADC_IN19, COMP1_INP.
53 PB14 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM9_CH2, SPI2_MISO, USART3_RTS, LCD_SEG14, ADC_IN20, COMP1_INP.
54 PB15 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM11_CH1, SPI2_MOSI, I2S2_SD, LCD_SEG15, ADC_IN21, COMP1_INP, RTC_REFIN.
55 PD8 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_TX, LCD_SEG28, TIMx_IC1.
56 PD9 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_RX, LCD_SEG29, TIMx_IC2.
57 PD10 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_CK, LCD_SEG30, TIMx_IC3.
58 PD11 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_CTS, LCD_SEG31, TIMx_IC4.
59 PD12 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH1, USART3_RTS, LCD_SEG32, TIMx_IC1.
60 PD13 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH2, LCD_SEG33, TIMx_IC2.
61 PD14 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH3, LCD_SEG34, TIMx_IC3.
62 PD15 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH4, LCD_SEG35, TIMx_IC4.
63 PC6 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH1, I2S2_MCK, LCD_SEG24, TIMx_IC3.
64 PC7 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH2, I2S3_MCK, LCD_SEG25, TIMx_IC4.
65 PC8 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH3, LCD_SEG26, TIMx_IC1.
66 PC9 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH4, LCD_SEG27, TIMx_IC2.
67 PA8 bidirectional 5 V tolerant (FT) I/O; alternate functions MCO, USART1_CK, LCD_COM0, TIMx_IC1.
68 PA9 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_TX, LCD_COM1, TIMx_IC2.
69 PA10 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_RX, LCD_COM2, TIMx_IC3.
70 PA11 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_CTS, SPI1_MISO, USB_DM, TIMx_IC4.
71 PA12 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_RTS, SPI1_MOSI, USB_DP, TIMx_IC1.
72 PA13 bidirectional 5 V tolerant (FT) I/O; alternate function JTMS-SWDIO (serial wire debug data), TIMx_IC2.
73 PH2 bidirectional 5 V tolerant (FT) I/O; no alternate functions listed for this pin.
74 VSS_2 power_in Ground pin of the digital supply domain (VSS_2).
75 VDD_2 power_in Digital supply pin (VDD_2); this D-option part is specified for 1.65 V to 3.6 V.
76 PA14 bidirectional 5 V tolerant (FT) I/O; alternate function JTCK-SWCLK (serial wire debug clock), TIMx_IC3.
77 PA15 bidirectional 5 V tolerant (FT) I/O; alternate functions JTDI, TIM2_CH1_ETR, SPI1_NSS, SPI3_NSS, I2S3_WS, LCD_SEG17, TIMx_IC4.
78 PC10 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI3_SCK, I2S3_CK, USART3_TX, UART4_TX, LCD_SEG28, LCD_SEG40, LCD_COM4, TIMx_IC3.
79 PC11 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI3_MISO, USART3_RX, UART4_RX, LCD_SEG29, LCD_SEG41, LCD_COM5, TIMx_IC4.
80 PC12 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI3_MOSI, I2S3_SD, USART3_CK, UART5_TX, LCD_SEG30, LCD_SEG42, LCD_COM6, TIMx_IC1.
81 PD0 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM9_CH1, SPI2_NSS, I2S2_WS, TIMx_IC1.
82 PD1 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_SCK, I2S2_CK, TIMx_IC2.
83 PD2 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_ETR, UART5_RX, LCD_SEG31, LCD_SEG43, LCD_COM7, TIMx_IC3.
84 PD3 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_MISO, USART2_CTS, TIMx_IC4.
85 PD4 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_MOSI, I2S2_SD, USART2_RTS, TIMx_IC1.
86 PD5 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_TX, TIMx_IC2.
87 PD6 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_RX, TIMx_IC3.
88 PD7 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM9_CH2, USART2_CK, TIMx_IC4.
89 PB3 bidirectional 5 V tolerant (FT) I/O; alternate functions JTDO, TIM2_CH2, SPI1_SCK, SPI3_SCK, I2S3_CK, LCD_SEG7, COMP2_INM.
90 PB4 bidirectional 5 V tolerant (FT) I/O; alternate functions NJTRST, TIM3_CH1, SPI1_MISO, SPI3_MISO, LCD_SEG8, COMP2_INP.
91 PB5 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH2, I2C1_SMBA, SPI1_MOSI, SPI3_MOSI, I2S3_SD, LCD_SEG9, COMP2_INP.
92 PB6 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH1, I2C1_SCL, USART1_TX, COMP2_INP.
93 PB7 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH2, I2C1_SDA, USART1_RX, COMP2_INP, PVD_IN.
94 BOOT0 input Dedicated BOOT0 pin used to select the boot mode.
95 PB8 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH3, TIM10_CH1, I2C1_SCL, LCD_SEG16.
96 PB9 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH4, TIM11_CH1, I2C1_SDA, LCD_COM3.
97 PE0 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_ETR, TIM10_CH1, LCD_SEG36, TIMx_IC1.
98 PE1 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM11_CH1, LCD_SEG37, TIMx_IC2.
99 VSS_3 power_in Ground pin of the digital supply domain (VSS_3).
100 VDD_3 power_in Digital supply pin (VDD_3); this D-option part is specified for 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: STM32L151VET6D
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: stm32l151vet6d-etched.step / stm32l151vet6d-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l151vet6d.step / stm32l151vet6d.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (136 pp, sha256 6ba5d188efc840bc, 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