component
STM32L151C8T6
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-48(7x7). Pinout checked against ST's open pin data, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownSTM32L151C8T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-48(7x7)
STM32L151C8T6 from STMicroelectronics, in a LQFP-48(7x7). 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_out | LCD voltage output for internal step-up converter (STM32L152xx only), connect to VDD for STM32L151xx |
| 2 | PC13-WKUP2 | bidirectional | GPIO port C pin 13 with wakeup capability, functions as RTC_TAMP1/RTC_TS/RTC_OUT, 5V tolerant |
| 3 | PC14-OSC32_IN | passive | 32.768 kHz oscillator input pin for low-speed external crystal |
| 4 | PC15-OSC32_OUT | passive | 32.768 kHz oscillator output pin for low-speed external crystal |
| 5 | PH0-OSC_IN | passive | High-speed external oscillator input pin for 1-24 MHz crystal oscillator |
| 6 | PH1-OSC_OUT | passive | High-speed external oscillator output pin for 1-24 MHz crystal oscillator |
| 7 | NRST | input | Reset pin with internal pull-up resistor and Schmitt trigger input, active low |
| 8 | VSSA | power_in | Analog ground connection for ADC/DAC/comparator/RTC circuits |
| 9 | VDDA | power_in | Analog power supply 1.8-3.6 V for ADC, DAC, comparators, and internal reference voltage |
| 10 | PA0-WKUP1 | bidirectional | GPIO port A pin 0 with wakeup capability, ADC_IN0, TIM2_CH1_ETR, COMP1_INP, 5V tolerant |
| 11 | PA1 | bidirectional | GPIO port A pin 1, functions as USART2_RTS/ADC_IN1/TIM2_CH2/LCD_SEG0/COMP1_INP, 5V tolerant |
| 12 | PA2 | bidirectional | GPIO port A pin 2, functions as USART2_TX/ADC_IN2/TIM2_CH3/TIM9_CH1/LCD_SEG1/COMP1_INP, 5V tolerant |
| 13 | PA3 | bidirectional | GPIO port A pin 3, functions as USART2_RX/ADC_IN3/TIM2_CH4/TIM9_CH2/LCD_SEG2/COMP1_INP |
| 14 | PA4 | bidirectional | GPIO port A pin 4, functions as SPI1_NSS/USART2_CK/ADC_IN4/DAC_OUT1/COMP1_INP |
| 15 | PA5 | bidirectional | GPIO port A pin 5, functions as SPI1_SCK/ADC_IN5/DAC_OUT2/TIM2_CH1_ETR/COMP1_INP |
| 16 | PA6 | bidirectional | GPIO port A pin 6, functions as SPI1_MISO/ADC_IN6/TIM3_CH1/LCD_SEG3/TIM10_CH1/COMP1_INP, 5V tolerant |
| 17 | PA7 | bidirectional | GPIO port A pin 7, functions as SPI1_MOSI/ADC_IN7/TIM3_CH2/LCD_SEG4/TIM11_CH1/COMP1_INP, 5V tolerant |
| 18 | PB0 | bidirectional | GPIO port B pin 0, functions as ADC_IN8/TIM3_CH3/LCD_SEG5/COMP1_INP/VREF_OUT |
| 19 | PB1 | bidirectional | GPIO port B pin 1, functions as ADC_IN9/TIM3_CH4/LCD_SEG6/COMP1_INP/VREF_OUT, 5V tolerant |
| 20 | PB2 | bidirectional | GPIO port B pin 2 with boot pin capability (BOOT1), selects boot source when set high, 5V tolerant |
| 21 | PB10 | bidirectional | GPIO port B pin 10, functions as I2C2_SCL/USART3_TX/TIM2_CH3/LCD_SEG10, 5V tolerant |
| 22 | PB11 | bidirectional | GPIO port B pin 11, functions as I2C2_SDA/USART3_RX/TIM2_CH4/LCD_SEG11, 5V tolerant |
| 23 | VSS_1 | power_in | Ground connection for main digital logic circuits |
| 24 | VDD_1 | power_in | Main power supply 1.65-3.6 V for digital logic and I/Os |
| 25 | PB12 | bidirectional | GPIO port B pin 12, functions as SPI2_NSS/I2C2_SMBA/USART3_CK/LCD_SEG12/ADC_IN18/COMP1_INP/TIM10_CH1, 5V tolerant |
| 26 | PB13 | bidirectional | GPIO port B pin 13, functions as SPI2_SCK/USART3_CTS/LCD_SEG13/ADC_IN19/COMP1_INP/TIM9_CH1, 5V tolerant |
| 27 | PB14 | bidirectional | GPIO port B pin 14, functions as SPI2_MISO/USART3_RTS/LCD_SEG14/ADC_IN20/COMP1_INP/TIM9_CH2, 5V tolerant |
| 28 | PB15 | bidirectional | GPIO port B pin 15, functions as SPI2_MOSI/LCD_SEG15/ADC_IN21/COMP1_INP/TIM11_CH1/RTC_REFIN, 5V tolerant |
| 29 | PA8 | bidirectional | GPIO port A pin 8, functions as USART1_CK/MCO/LCD_COM0, 5V tolerant |
| 30 | PA9 | bidirectional | GPIO port A pin 9, functions as USART1_TX/LCD_COM1, 5V tolerant |
| 31 | PA10 | bidirectional | GPIO port A pin 10, functions as USART1_RX/LCD_COM2, 5V tolerant |
| 32 | PA11 | bidirectional | GPIO port A pin 11, functions as USART1_CTS/USB_DM/SPI1_MISO, 5V tolerant |
| 33 | PA12 | bidirectional | GPIO port A pin 12, functions as USART1_RTS/USB_DP/SPI1_MOSI, 5V tolerant |
| 34 | PA13 | bidirectional | GPIO port A pin 13, JTMS/SWDAT for JTAG test mode select and serial wire debug data, 5V tolerant |
| 35 | VSS_2 | power_in | Ground connection for main digital logic circuits |
| 36 | VDD_2 | power_in | Main power supply 1.65-3.6 V for digital logic and I/Os |
| 37 | PA14 | bidirectional | GPIO port A pin 14, JTCK/SWCLK for JTAG test clock and serial wire debug clock, 5V tolerant |
| 38 | PA15 | bidirectional | GPIO port A pin 15, JTDI/TIM2_CH1_ETR/SPI1_NSS/LCD_SEG17 for JTAG data in, 5V tolerant |
| 39 | PB3 | bidirectional | GPIO port B pin 3, JTDO/TIM2_CH2/SPI1_SCK/COMP2_INM/LCD_SEG7 for JTAG data out, 5V tolerant |
| 40 | PB4 | bidirectional | GPIO port B pin 4, NJTRST/TIM3_CH1/SPI1_MISO/COMP2_INP/LCD_SEG8 for JTAG negate test reset, 5V tolerant |
| 41 | PB5 | bidirectional | GPIO port B pin 5, functions as I2C1_SMBA/TIM3_CH2/SPI1_MOSI/COMP2_INP/LCD_SEG9, 5V tolerant |
| 42 | PB6 | bidirectional | GPIO port B pin 6, functions as I2C1_SCL/TIM4_CH1/USART1_TX, 5V tolerant |
| 43 | PB7 | bidirectional | GPIO port B pin 7, functions as I2C1_SDA/TIM4_CH2/USART1_RX/PVD_IN, 5V tolerant |
| 44 | BOOT0 | input | Boot mode selection input pin, selects between Flash memory, system memory bootloader, or RAM boot |
| 45 | PB8 | bidirectional | GPIO port B pin 8, functions as TIM4_CH3/I2C1_SCL/LCD_SEG16/TIM10_CH1, 5V tolerant |
| 46 | PB9 | bidirectional | GPIO port B pin 9, functions as TIM4_CH4/I2C1_SDA/LCD_COM3/TIM11_CH1, 5V tolerant |
| 47 | VSS_3 | power_in | Ground connection for main digital logic circuits |
| 48 | VDD_3 | power_in | Main power supply 1.65-3.6 V for digital logic and I/Os |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-48(7x7) |
| Category | Embedded Processors & Controllers |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
STM32L151C8T6 - Footprint:
Package_QFP:LQFP-48_7x7mm_P0.5mm - 3D model: LQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
stm32l151c8t6-etched.step/stm32l151c8t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l151c8t6.step/stm32l151c8t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (117 pp, sha256
f6403fa4ebb08ec3, retrieved 2026-09-24, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-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).