main
History Download
Ray Initial commit: component/stm32l072rbi6 0358aa1 1d ago

STM32L072RBI6

STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · UFBGA-64

STM32L072RBI6 from STMicroelectronics, in a UFBGA-64. 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
A1 PC14-OSC32_IN bidirectional FT (5 V tolerant) GPIO PC14, also the OSC32_IN input of the 32 kHz oscillator.
A2 PC13 bidirectional FT (5 V tolerant) GPIO PC13 with RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2 additional functions.
A3 PB9 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with EVENTOUT, I2C1_SDA and SPI2_NSS/I2S2_WS alternate functions.
A4 PB4 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with SPI1_MISO, TIM3_CH1, TSC_G5_IO2, TIM22_CH1, USART1_CTS, USART5_RX and I2C3_SDA alternate functions, plus COMP2_INP.
A5 PB3 bidirectional FT (5 V tolerant) GPIO with SPI1_SCK, TIM2_CH2, TSC_G5_IO1, EVENTOUT, USART1_RTS/USART1_DE and USART5_TX alternate functions, plus COMP2_INM.
A6 PA15 bidirectional FT (5 V tolerant) GPIO with SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1 and USART4_RTS/USART4_DE alternate functions.
A7 PA14 bidirectional FT (5 V tolerant) GPIO with SWCLK (serial wire clock), USART2_TX and LPUART1_TX alternate functions.
A8 PA13 bidirectional FT (5 V tolerant) GPIO with SWDIO (serial wire data), USB_NOE and LPUART1_RX alternate functions.
B1 PC15-OSC32_OUT bidirectional TC (standard 3.3 V) GPIO PC15, also the OSC32_OUT output of the 32 kHz oscillator.
B2 VDD power_in Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range.
B3 PB8 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with TSC_SYNC and I2C1_SCL alternate functions.
B4 BOOT0 input Dedicated BOOT0 boot-mode selection input pin.
B5 PD2 bidirectional FT (5 V tolerant) GPIO with LPUART1_RTS/LPUART1_DE, TIM3_ETR and USART5_RX alternate functions.
B6 PC11 bidirectional FT (5 V tolerant) GPIO with LPUART1_RX and USART4_RX alternate functions.
B7 PC10 bidirectional FT (5 V tolerant) GPIO with LPUART1_TX and USART4_TX alternate functions.
B8 PA12 bidirectional FT (5 V tolerant) GPIO powered by VDD_USB, with SPI1_MOSI, EVENTOUT, TSC_G4_IO4, USART1_RTS/USART1_DE and COMP2_OUT alternate functions and USB_DP.
C1 PH0-OSC_IN bidirectional TC (standard 3.3 V) GPIO PH0, also the OSC_IN input of the 1 to 25 MHz crystal oscillator and USB_CRS_SYNC alternate function.
C2 VSS power_in Ground pin of the device.
C3 PB7 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with USART1_RX, I2C1_SDA, LPTIM1_IN2, TSC_G5_IO4 and USART4_CTS alternate functions, plus COMP2_INP and VREF_PVD_IN.
C4 PB5 bidirectional FT (5 V tolerant) GPIO with SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, TIM3_CH2/TIM22_CH2, USART1_CK, USART5_CK and USART5_RTS/USART5_DE alternate functions, plus COMP2_INP.
C5 PC12 bidirectional FT (5 V tolerant) GPIO with USART5_TX and USART4_CK alternate functions.
C6 PA10 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with TSC_G4_IO2, USART1_RX and I2C1_SDA alternate functions.
C7 PA9 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with MCO, TSC_G4_IO1, USART1_TX, I2C1_SCL and I2C3_SMBA alternate functions.
C8 PA11 bidirectional FT (5 V tolerant) GPIO powered by VDD_USB, with SPI1_MISO, EVENTOUT, TSC_G4_IO3, USART1_CTS and COMP1_OUT alternate functions and USB_DM.
D1 PH1-OSC_OUT bidirectional TC (standard 3.3 V) GPIO PH1, also the OSC_OUT output of the crystal oscillator.
D2 VDD power_in Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range.
D3 PB6 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with USART1_TX, I2C1_SCL, LPTIM1_ETR and TSC_G5_IO3 alternate functions, plus COMP2_INP.
D4 VSS power_in Ground pin of the device.
D5 VSS power_in Ground pin of the device.
D6 VSS power_in Ground pin of the device.
D7 PA8 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with MCO, USB_CRS_SYNC, EVENTOUT, USART1_CK and I2C3_SCL alternate functions.
D8 PC9 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with TIM21_ETR, USB_NOE/TIM3_CH4, TSC_G8_IO4 and I2C3_SDA alternate functions.
E1 NRST bidirectional Bidirectional reset pin with embedded weak pull-up resistor.
E2 PC1 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with LPTIM1_OUT, EVENTOUT, TSC_G7_IO2, LPUART1_TX and I2C3_SDA alternate functions, plus ADC_IN11.
E3 PC0 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with LPTIM1_IN1, EVENTOUT, TSC_G7_IO1, LPUART1_RX and I2C3_SCL alternate functions, plus ADC_IN10.
E4 VDD power_in Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range.
E5 VDD power_in Main digital supply pin; the datasheet specifies a 1.65 V to 3.6 V power supply range.
E6 VDD_USB power_in Supply pin for the USB-related I/Os PA11 and PA12; for characteristics that refer to VDD, VDD_USB must be used instead.
E7 PC7 bidirectional FT (5 V tolerant) GPIO with TIM22_CH2, TIM3_CH2 and TSC_G8_IO2 alternate functions.
E8 PC8 bidirectional FT (5 V tolerant) GPIO with TIM22_ETR, TIM3_CH3 and TSC_G8_IO3 alternate functions.
F1 VSSA power_in Analog ground pin.
F2 PC2 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with LPTIM1_IN2, SPI2_MISO/I2S2_MCK and TSC_G7_IO3 alternate functions, plus ADC_IN12.
F3 PA2 bidirectional FT (5 V tolerant) GPIO with TIM21_CH1, TIM2_CH3, TSC_G1_IO3, USART2_TX, LPUART1_TX and COMP2_OUT alternate functions, plus COMP2_INM and ADC_IN2.
F4 PA5 bidirectional TC (standard 3.3 V) GPIO with SPI1_SCK, TIM2_ETR, TSC_G2_IO2 and TIM2_CH1 alternate functions, plus COMP1_INM, COMP2_INM, ADC_IN5 and DAC_OUT2.
F5 PB0 bidirectional FT (5 V tolerant) GPIO with EVENTOUT, TIM3_CH3 and TSC_G3_IO2 alternate functions, plus ADC_IN8 and VREF_OUT.
F6 PC6 bidirectional FT (5 V tolerant) GPIO with TIM22_CH1, TIM3_CH1 and TSC_G8_IO1 alternate functions.
F7 PB15 bidirectional FT (5 V tolerant) GPIO with SPI2_MOSI/I2S2_SD and RTC_REFIN alternate functions.
F8 PB14 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with SPI2_MISO/I2S2_MCK, RTC_OUT, TSC_G6_IO4, LPUART1_RTS/LPUART1_DE, I2C2_SDA and TIM21_CH2 alternate functions.
G1 VREF+ power_in Positive reference voltage input for the ADC (listed as a supply pin only in the pin table; no limits given in the extract); this pin is only present on the UFBGA64/TFBGA64 ballout.
G2 PA0 bidirectional TT I/O structure GPIO with TIM2_CH1, TSC_G1_IO1, USART2_CTS, TIM2_ETR, USART4_TX and COMP1_OUT alternate functions, plus COMP1_INM, ADC_IN0 and RTC_TAMP2/WKUP1.
G3 PA3 bidirectional FT (5 V tolerant) GPIO with TIM21_CH2, TIM2_CH4, TSC_G1_IO4, USART2_RX and LPUART1_RX alternate functions, plus COMP2_INP and ADC_IN3.
G4 PA6 bidirectional FT (5 V tolerant) GPIO with SPI1_MISO, TIM3_CH1, TSC_G2_IO3, LPUART1_CTS, TIM22_CH1, EVENTOUT and COMP1_OUT alternate functions, plus ADC_IN6.
G5 PB1 bidirectional FT (5 V tolerant) GPIO with TIM3_CH4, TSC_G3_IO3 and LPUART1_RTS/LPUART1_DE alternate functions, plus ADC_IN9 and VREF_OUT.
G6 PB2 bidirectional FT (5 V tolerant) GPIO with LPTIM1_OUT, TSC_G3_IO4 and I2C3_SMBA alternate functions.
G7 PB10 bidirectional FT (5 V tolerant) GPIO with TIM2_CH3, TSC_SYNC, LPUART1_TX, SPI2_SCK, I2C2_SCL and LPUART1_RX alternate functions.
G8 PB13 bidirectional FTf (5 V tolerant, Fast Mode Plus capable) GPIO with SPI2_SCK/I2S2_CK, MCO, TSC_G6_IO3, LPUART1_CTS, I2C2_SCL and TIM21_CH1 alternate functions.
H1 VDDA power_in Analog supply pin (listed as type S in the pin table; no further limits given in the extract).
H2 PA1 bidirectional FT (5 V tolerant) GPIO with EVENTOUT, TIM2_CH2, TSC_G1_IO2, USART2_RTS/USART2_DE, TIM21_ETR and USART4_RX alternate functions, plus COMP1_INP and ADC_IN1.
H3 PA4 bidirectional TC (standard 3.3 V) GPIO with SPI1_NSS, TSC_G2_IO1, USART2_CK and TIM22_ETR alternate functions, plus COMP1_INM, COMP2_INM, ADC_IN4 and DAC_OUT1; it offers reduced touch sensing sensitivity and is recommended as sampling capacitor I/O.
H4 PA7 bidirectional FT (5 V tolerant) GPIO with SPI1_MOSI, TIM3_CH2, TSC_G2_IO4, TIM22_CH2, EVENTOUT and COMP2_OUT alternate functions, plus ADC_IN7.
H5 PC4 bidirectional FT (5 V tolerant) GPIO with EVENTOUT and LPUART1_TX alternate functions, plus ADC_IN14.
H6 PC5 bidirectional FT (5 V tolerant) GPIO with LPUART1_RX and TSC_G3_IO1 alternate functions, plus ADC_IN15.
H7 PB11 bidirectional FT (5 V tolerant) GPIO with EVENTOUT, TIM2_CH4, TSC_G6_IO1, LPUART1_RX, I2C2_SDA and LPUART1_TX alternate functions.
H8 PB12 bidirectional FT (5 V tolerant) GPIO with SPI2_NSS/I2S2_WS, LPUART1_RTS/LPUART1_DE, TSC_G6_IO2, I2C2_SMBA and EVENTOUT alternate functions.

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package UFBGA-64
Category Embedded Processors & Controllers
Pins 64

CAD (KiCad official)

  • Symbol: STM32L072RBI6
  • Footprint: Package_BGA:UFBGA-64_5x5mm_Layout8x8_P0.5mm
  • 3D model: UFBGA-64 (KiCad packages3D, STEP)
  • 3D model files: stm32l072rbi6-etched.step / stm32l072rbi6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32l072rbi6.step / stm32l072rbi6.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 2026-10-08, 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