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STM32L152vBT6

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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 & controllersstm32l152vbt6factory-2.0.0extractor-text
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STM32L152vBT6

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

STM32L152vBT6 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; alternate functions TRACECLK, LCD_SEG38, TIM3_ETR.
2 PE3 bidirectional 5 V tolerant (FT) I/O; alternate functions TRACED0, LCD_SEG39, TIM3_CH1.
3 PE4 bidirectional 5 V tolerant (FT) I/O; alternate functions TRACED1, TIM3_CH2.
4 PE5 bidirectional 5 V tolerant (FT) I/O; alternate functions TRACED2, TIM9_CH1.
5 PE6-WKUP3 bidirectional 5 V tolerant (FT) I/O; alternate functions TRACED3, WKUP3 (wakeup input), TIM9_CH2.
6 VLCD power_in LCD power supply pin; applicable to STM32L152xx devices only (on STM32L151xx it must be connected to VDD).
7 PC13-WKUP2 bidirectional 5 V tolerant (FT) I/O; alternate functions RTC_TAMP1, RTC_TS, RTC_OUT, WKUP2.
8 PC14-OSC32_IN bidirectional Standard 3.3 V (TC) I/O; becomes OSC32_IN only when the LSE oscillator is on (LSEON set), otherwise it is GPIO PC14.
9 PC15-OSC32_OUT bidirectional Standard 3.3 V (TC) I/O; becomes OSC32_OUT only when the LSE oscillator is on (LSEON set), otherwise it is GPIO PC15.
10 VSS_5 power_in Digital ground pin.
11 VDD_5 power_in Digital supply pin.
12 PH0-OSC_IN bidirectional Standard 3.3 V (TC) I/O; becomes OSC_IN only when the HSE oscillator is on (HSEON set), otherwise it is GPIO PH0.
13 PH1-OSC_OUT bidirectional Standard 3.3 V (TC) I/O; becomes OSC_OUT only when the HSE oscillator is on (HSEON set), otherwise it is GPIO PH1.
14 NRST bidirectional Bidirectional reset pin with embedded weak pull-up resistor.
15 PC0 bidirectional 5 V tolerant (FT) I/O; alternate functions ADC_IN10, LCD_SEG18, COMP1_INP.
16 PC1 bidirectional 5 V tolerant (FT) I/O; alternate functions ADC_IN11, LCD_SEG19, COMP1_INP.
17 PC2 bidirectional 5 V tolerant (FT) I/O; alternate functions ADC_IN12, LCD_SEG20, COMP1_INP.
18 PC3 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN13, LCD_SEG21, COMP1_INP.
19 VSSA power_in Analog ground pin for the ADC, DAC and reference.
20 VREF- power_in Negative ADC reference voltage pin; it must be tied to ground (VSSA or VREF-).
21 VREF+ power_in Positive ADC/DAC reference voltage pin; it may be grounded only if neither the ADC nor the DAC is used, and it must not exceed VDDA.
22 VDDA power_in Analog supply pin for the ADC, DAC, reset block and comparators.
23 PA0-WKUP1 bidirectional 5 V tolerant (FT) I/O; alternate functions WKUP1, USART2_CTS, ADC_IN0, TIM2_CH1_ETR, COMP1_INP.
24 PA1 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_RTS, ADC_IN1, TIM2_CH2, LCD_SEG0, COMP1_INP.
25 PA2 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_TX, ADC_IN2, TIM2_CH3, TIM9_CH1, LCD_SEG1, COMP1_INP.
26 PA3 bidirectional Standard 3.3 V (TC) I/O; alternate functions USART2_RX, ADC_IN3, TIM2_CH4, TIM9_CH2, LCD_SEG2, COMP1_INP.
27 VSS_4 power_in Digital ground pin.
28 VDD_4 power_in Digital supply pin.
29 PA4 bidirectional Standard 3.3 V (TC) I/O; alternate functions SPI1_NSS, USART2_CK, ADC_IN4, DAC_OUT1, COMP1_INP.
30 PA5 bidirectional Standard 3.3 V (TC) I/O; alternate functions SPI1_SCK, ADC_IN5, DAC_OUT2, TIM2_CH1_ETR, COMP1_INP.
31 PA6 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI1_MISO, ADC_IN6, TIM3_CH1, LCD_SEG3, TIM10_CH1, COMP1_INP.
32 PA7 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI1_MOSI, ADC_IN7, TIM3_CH2, LCD_SEG4, TIM11_CH1, COMP1_INP.
33 PC4 bidirectional 5 V tolerant (FT) I/O; alternate functions ADC_IN14, LCD_SEG22, COMP1_INP.
34 PC5 bidirectional 5 V tolerant (FT) I/O; alternate functions ADC_IN15, LCD_SEG23, COMP1_INP.
35 PB0 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN8, TIM3_CH3, LCD_SEG5, COMP1_INP, VREF_OUT.
36 PB1 bidirectional 5 V tolerant (FT) I/O; alternate functions ADC_IN9, TIM3_CH4, LCD_SEG6, COMP1_INP, VREF_OUT.
37 PB2 bidirectional 5 V tolerant (FT) I/O; alternate function BOOT1.
38 PE7 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN22, COMP1_INP.
39 PE8 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN23, COMP1_INP.
40 PE9 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN24, TIM2_CH1_ETR, COMP1_INP.
41 PE10 bidirectional Standard 3.3 V (TC) I/O; alternate functions ADC_IN25, TIM2_CH2, COMP1_INP.
42 PE11 bidirectional 5 V tolerant (FT) I/O; alternate function TIM2_CH3.
43 PE12 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM2_CH4, SPI1_NSS.
44 PE13 bidirectional 5 V tolerant (FT) I/O; alternate function SPI1_SCK.
45 PE14 bidirectional 5 V tolerant (FT) I/O; alternate function SPI1_MISO.
46 PE15 bidirectional 5 V tolerant (FT) I/O; alternate function SPI1_MOSI.
47 PB10 bidirectional 5 V tolerant (FT) I/O; alternate functions I2C2_SCL, USART3_TX, TIM2_CH3, LCD_SEG10.
48 PB11 bidirectional 5 V tolerant (FT) I/O; alternate functions I2C2_SDA, USART3_RX, TIM2_CH4, LCD_SEG11.
49 VSS_1 power_in Digital ground pin.
50 VDD_1 power_in Digital supply pin.
51 PB12 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_NSS, I2C2_SMBA, USART3_CK, LCD_SEG12, ADC_IN18, COMP1_INP, TIM10_CH1.
52 PB13 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_SCK, USART3_CTS, LCD_SEG13, ADC_IN19, COMP1_INP, TIM9_CH1.
53 PB14 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_MISO, USART3_RTS, LCD_SEG14, ADC_IN20, COMP1_INP, TIM9_CH2.
54 PB15 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_MOSI, LCD_SEG15, ADC_IN21, COMP1_INP, TIM11_CH1, RTC_REFIN.
55 PD8 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_TX, LCD_SEG28.
56 PD9 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_RX, LCD_SEG29.
57 PD10 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_CK, LCD_SEG30.
58 PD11 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_CTS, LCD_SEG31.
59 PD12 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH1, USART3_RTS, LCD_SEG32.
60 PD13 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH2, LCD_SEG33.
61 PD14 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH3, LCD_SEG34.
62 PD15 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH4, LCD_SEG35.
63 PC6 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH1, LCD_SEG24.
64 PC7 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH2, LCD_SEG25.
65 PC8 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH3, LCD_SEG26.
66 PC9 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_CH4, LCD_SEG27.
67 PA8 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_CK, MCO, LCD_COM0.
68 PA9 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_TX, LCD_COM1.
69 PA10 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_RX, LCD_COM2.
70 PA11 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_CTS, USB_DM, SPI1_MISO.
71 PA12 bidirectional 5 V tolerant (FT) I/O; alternate functions USART1_RTS, USB_DP, SPI1_MOSI.
72 PA13 bidirectional 5 V tolerant (FT) I/O; main function after reset is JTMS/SWDAT (serial-wire debug data).
73 PH2 bidirectional 5 V tolerant (FT) I/O; no alternate function is listed for this pin.
74 VSS_2 power_in Digital ground pin.
75 VDD_2 power_in Digital supply pin.
76 PA14 bidirectional 5 V tolerant (FT) I/O; main function after reset is JTCK/SWCLK (serial-wire debug clock).
77 PA15 bidirectional 5 V tolerant (FT) I/O; main function after reset is JTDI; alternate functions TIM2_CH1_ETR, SPI1_NSS, LCD_SEG17.
78 PC10 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_TX, LCD_SEG28, LCD_SEG40, LCD_COM4.
79 PC11 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_RX, LCD_SEG29, LCD_SEG41, LCD_COM5.
80 PC12 bidirectional 5 V tolerant (FT) I/O; alternate functions USART3_CK, LCD_SEG30, LCD_SEG42, LCD_COM6.
81 PD0 bidirectional 5 V tolerant (FT) I/O; alternate functions SPI2_NSS, TIM9_CH1.
82 PD1 bidirectional 5 V tolerant (FT) I/O; alternate function SPI2_SCK.
83 PD2 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM3_ETR, LCD_SEG31, LCD_SEG43, LCD_COM7.
84 PD3 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_CTS, SPI2_MISO.
85 PD4 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_RTS, SPI2_MOSI.
86 PD5 bidirectional 5 V tolerant (FT) I/O; alternate function USART2_TX.
87 PD6 bidirectional 5 V tolerant (FT) I/O; alternate function USART2_RX.
88 PD7 bidirectional 5 V tolerant (FT) I/O; alternate functions USART2_CK, TIM9_CH2.
89 PB3 bidirectional 5 V tolerant (FT) I/O; main function after reset is JTDO; alternate functions TIM2_CH2, SPI1_SCK, COMP2_INM, LCD_SEG7.
90 PB4 bidirectional 5 V tolerant (FT) I/O; main function after reset is NJTRST; alternate functions TIM3_CH1, SPI1_MISO, COMP2_INP, LCD_SEG8.
91 PB5 bidirectional 5 V tolerant (FT) I/O; alternate functions I2C1_SMBA, TIM3_CH2, SPI1_MOSI, COMP2_INP, LCD_SEG9.
92 PB6 bidirectional 5 V tolerant (FT) I/O; alternate functions I2C1_SCL, TIM4_CH1, USART1_TX.
93 PB7 bidirectional 5 V tolerant (FT) I/O; alternate functions I2C1_SDA, TIM4_CH2, USART1_RX, PVD_IN.
94 BOOT0 input Dedicated BOOT0 input pin that selects the boot mode.
95 PB8 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH3, I2C1_SCL, LCD_SEG16, TIM10_CH1.
96 PB9 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_CH4, I2C1_SDA, LCD_COM3, TIM11_CH1.
97 PE0 bidirectional 5 V tolerant (FT) I/O; alternate functions TIM4_ETR, LCD_SEG36, TIM10_CH1.
98 PE1 bidirectional 5 V tolerant (FT) I/O; alternate functions LCD_SEG37, TIM11_CH1.
99 VSS_3 power_in Digital ground pin.
100 VDD_3 power_in Digital supply pin.

Key specifications

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

CAD (KiCad official)

  • Symbol: STM32L152vBT6
  • Footprint: Package_QFP:LQFP-100_14x14mm_P0.5mm
  • 3D model: LQFP-100(14x14) (KiCad packages3D, STEP)
  • 3D model files: stm32l152vbt6-etched.step / stm32l152vbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l152vbt6.step / stm32l152vbt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (131 pp, sha256 32cc13262d4e2382, 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