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Contents

README

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STM32L072RBT6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)

STM32L072RBT6 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 VDD power_in Main power supply, 1.65 to 3.6 V with decoupling capacitor required
2 PC13 bidirectional GPIO port C bit 13 with RTC backup domain alternate functions for tamper detection, timestamp generation, output, or wakeup capability
3 PC14-OSC32_IN bidirectional GPIO port C bit 14, 32.768 kHz external crystal oscillator input
4 PC15-OSC32_OUT bidirectional GPIO port C bit 15, 32.768 kHz external crystal oscillator output
5 PH0-OSC_IN bidirectional GPIO port H bit 0, high-speed external crystal oscillator input (1 to 25 MHz)
6 PH1-OSC_OUT bidirectional GPIO port H bit 1, high-speed external crystal oscillator output
7 NRST bidirectional System reset pin with embedded weak pull-up resistor, active low
8 PC0 bidirectional GPIO port C bit 0, 5V tolerant FM+ capable, ADC input channel 10, LPTIM/I2C3/LPUART1/TSC alternate functions
9 PC1 bidirectional GPIO port C bit 1, 5V tolerant FM+ capable, ADC input channel 11, LPTIM/I2C3/LPUART1/TSC alternate functions
10 PC2 bidirectional GPIO port C bit 2, 5V tolerant FM+ capable, ADC input channel 12, LPTIM/SPI2/I2S2/TSC alternate functions
11 PC3 bidirectional GPIO port C bit 3, 5V tolerant, ADC input channel 13, LPTIM/SPI2/I2S2/TSC alternate functions
12 VSSA power_in Analog power supply ground, must be connected to VSS
13 VDDA power_in Analog power supply, 1.65 to 3.6 V with dedicated decoupling capacitor required
14 PA0 bidirectional GPIO port A bit 0, 3.3V tolerant, ADC input channel 0, TIM2/TSC/USART2/USART4/COMP1 alternate functions
15 PA1 bidirectional GPIO port A bit 1, 5V tolerant, ADC input channel 1, TIM2/TSC/USART2/USART4 alternate functions
16 PA2 bidirectional GPIO port A bit 2, 5V tolerant, ADC input channel 2, TIM21/TIM2/TSC/USART2/LPUART1/COMP2 alternate functions
17 PA3 bidirectional GPIO port A bit 3, 5V tolerant, ADC input channel 3, TIM21/TIM2/TSC/USART2/LPUART1/COMP2 alternate functions
18 VSS power_in Ground
19 VDD power_in Main power supply, 1.65 to 3.6 V with decoupling capacitor required
20 PA4 bidirectional GPIO port A bit 4, 3.3V tolerant with reduced TSC sensitivity, ADC input channel 4/DAC output 1, SPI1/TSC/USART2/TIM22/COMP1/COMP2 alternate functions
21 PA5 bidirectional GPIO port A bit 5, 3.3V tolerant, ADC input channel 5/DAC output 2, SPI1/TIM2/TSC/COMP1/COMP2 alternate functions
22 PA6 bidirectional GPIO port A bit 6, 5V tolerant, ADC input channel 6, SPI1/TIM3/TSC/LPUART1/TIM22/COMP1 alternate functions
23 PA7 bidirectional GPIO port A bit 7, 5V tolerant, ADC input channel 7, SPI1/TIM3/TSC/TIM22/COMP2 alternate functions
24 PC4 bidirectional GPIO port C bit 4, 5V tolerant, ADC input channel 14, LPUART1 alternate function
25 PC5 bidirectional GPIO port C bit 5, 5V tolerant, ADC input channel 15, LPUART1/TSC alternate functions
26 PB0 bidirectional GPIO port B bit 0, 5V tolerant, ADC input channel 8/VREF_OUT, TIM3/TSC alternate functions
27 PB1 bidirectional GPIO port B bit 1, 5V tolerant, ADC input channel 9/VREF_OUT, TIM3/TSC/LPUART1 alternate functions
28 PB2 bidirectional GPIO port B bit 2, 5V tolerant, LPTIM1/TSC/I2C3 alternate functions
29 PB10 bidirectional GPIO port B bit 10, 5V tolerant, TIM2/TSC/LPUART1/SPI2/I2C2 alternate functions including synchronization output
30 PB11 bidirectional GPIO port B bit 11, 5V tolerant, TIM2/TSC/LPUART1/I2C2 alternate functions
31 VSS power_in Ground
32 VDD power_in Main power supply, 1.65 to 3.6 V with decoupling capacitor required
33 PB12 bidirectional GPIO port B bit 12, 5V tolerant, SPI2/LPUART1/TSC/I2C2 alternate functions
34 PB13 bidirectional GPIO port B bit 13, 5V tolerant with 20 mA FM+ sink drive capability, SPI2/MCO/TSC/LPUART1/I2C2/TIM21 alternate functions
35 PB14 bidirectional GPIO port B bit 14, 5V tolerant with 20 mA FM+ sink drive capability, SPI2/RTC_OUT/TSC/LPUART1/I2C2/TIM21 alternate functions
36 PB15 bidirectional GPIO port B bit 15, 5V tolerant, SPI2/RTC_REFIN alternate functions
37 PC6 bidirectional GPIO port C bit 6, 5V tolerant, TIM22/TIM3/TSC alternate functions
38 PC7 bidirectional GPIO port C bit 7, 5V tolerant, TIM22/TIM3/TSC alternate functions
39 PC8 bidirectional GPIO port C bit 8, 5V tolerant, TIM22/TIM3/TSC alternate functions
40 PC9 bidirectional GPIO port C bit 9, 5V tolerant with 20 mA FM+ sink drive capability, TIM21/USB_NOE/TIM3/TSC/I2C3 alternate functions
41 PA8 bidirectional GPIO port A bit 8, 5V tolerant with 20 mA FM+ sink drive capability, MCO/USB_CRS_SYNC/USART1/I2C3 alternate functions
42 PA9 bidirectional GPIO port A bit 9, 5V tolerant with 20 mA FM+ sink drive capability, MCO/TSC/USART1/I2C1/I2C3 alternate functions
43 PA10 bidirectional GPIO port A bit 10, 5V tolerant with 20 mA FM+ sink drive capability, TSC/USART1/I2C1 alternate functions
44 PA11 bidirectional GPIO port A bit 11, 5V tolerant, powered by VDD_USB, USB_DM/SPI1/TSC/USART1/COMP1 alternate functions
45 PA12 bidirectional GPIO port A bit 12, 5V tolerant, powered by VDD_USB, USB_DP/SPI1/TSC/USART1/COMP2 alternate functions
46 PA13 bidirectional GPIO port A bit 13, 5V tolerant, SWDIO/USB_NOE/LPUART1 alternate functions for debug interface
47 VSS power_in Ground
48 VDD_USB power_in USB power supply 3.3 V with dedicated decoupling capacitor and ferrite bead required
49 PA14 bidirectional GPIO port A bit 14, 5V tolerant, SWCLK/USART2/LPUART1 alternate functions for debug interface
50 PA15 bidirectional GPIO port A bit 15, 5V tolerant, SPI1/TIM2/USART2/USART4 alternate functions
51 PC10 bidirectional GPIO port C bit 10, 5V tolerant, LPUART1/USART4 alternate functions
52 PC11 bidirectional GPIO port C bit 11, 5V tolerant, LPUART1/USART4 alternate functions
53 PC12 bidirectional GPIO port C bit 12, 5V tolerant, USART5/USART4 alternate functions
54 PD2 bidirectional GPIO port D bit 2, 5V tolerant, LPUART1/TIM3/USART5 alternate functions
55 PB3 bidirectional GPIO port B bit 3, 5V tolerant, SPI1/TIM2/TSC/USART1/USART5/COMP2 alternate functions
56 PB4 bidirectional GPIO port B bit 4, 5V tolerant with 20 mA FM+ sink drive capability, SPI1/TIM3/TSC/TIM22/USART1/USART5/I2C3/COMP2 alternate functions
57 PB5 bidirectional GPIO port B bit 5, 5V tolerant, SPI1/LPTIM1/I2C1/TIM3/TIM22/USART1/USART5/COMP2 alternate functions
58 PB6 bidirectional GPIO port B bit 6, 5V tolerant with 20 mA FM+ sink drive capability, USART1/I2C1/LPTIM1/TSC/COMP2 alternate functions
59 PB7 bidirectional GPIO port B bit 7, 5V tolerant with 20 mA FM+ sink drive capability, USART1/I2C1/LPTIM1/TSC/USART4/COMP2/VREF_PVD alternate functions
60 BOOT0 input Boot pin, selects boot from embedded FLASH memory (low) or system bootloader in ROM (high)
61 PB8 bidirectional GPIO port B bit 8, 5V tolerant with 20 mA FM+ sink drive capability, TSC/I2C1 alternate functions
62 PB9 bidirectional GPIO port B bit 9, 5V tolerant with 20 mA FM+ sink drive capability, I2C1/SPI2/I2S2 alternate functions
63 VSS power_in Ground
64 VDD power_in Main power supply, 1.65 to 3.6 V with decoupling capacitor required

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package LQFP-64(10x10)
Category Embedded Processors & Controllers
Pins 64

CAD (KiCad official)

  • Symbol: STM32L072RBT6
  • Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
  • 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
  • 3D model files: stm32l072rbt6-etched.step / stm32l072rbt6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l072rbt6.step / stm32l072rbt6.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (160 pp, sha256 13ea53054244ac9d, retrieved 2026-09-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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