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STM32L071RBT7
Public Made by Adomby adom
STMicroelectronics Microcontrollers (MCU/MPU/SOC), LQFP-64(10x10). 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
markdownSTM32L071RBT7
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32L071RBT7 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 MCU supply pin; the device operates from a 1.65 V to 3.6 V power supply. |
| 2 | PC13 | bidirectional | 5 V tolerant (FT) general-purpose I/O with additional functions RTC_TAMP1, RTC_TS, RTC_OUT and WKUP2. |
| 3 | PC14-OSC32_IN | bidirectional | 5 V tolerant (FT) general-purpose I/O whose additional function OSC32_IN is the 32 kHz low-speed oscillator input. |
| 4 | PC15-OSC32_OUT | bidirectional | Standard 3.3 V (TC) general-purpose I/O whose additional function OSC32_OUT is the 32 kHz low-speed oscillator output. |
| 5 | PH0-OSC_IN | bidirectional | Standard 3.3 V (TC) general-purpose I/O whose additional function OSC_IN is the high-speed (1 to 25 MHz crystal) oscillator input. |
| 6 | PH1-OSC_OUT | bidirectional | Standard 3.3 V (TC) general-purpose I/O whose additional function OSC_OUT is the high-speed oscillator output. |
| 7 | NRST | bidirectional | Bidirectional reset pin with embedded weak pull-up resistor. |
| 8 | PC0 | bidirectional | 5 V tolerant I/O with Fast Mode Plus capability (FTf); alternate functions LPTIM1_IN1, EVENTOUT, LPUART1_RX, I2C3_SCL; additional function ADC_IN10. |
| 9 | PC1 | bidirectional | 5 V tolerant I/O with Fast Mode Plus capability (FTf); alternate functions LPTIM1_OUT, EVENTOUT, LPUART1_TX, I2C3_SDA; additional function ADC_IN11. |
| 10 | PC2 | bidirectional | 5 V tolerant I/O with Fast Mode Plus capability (FTf); alternate functions LPTIM1_IN2, SPI2_MISO/I2S2_MCK; additional function ADC_IN12. |
| 11 | PC3 | bidirectional | 5 V tolerant (FT) I/O; alternate functions LPTIM1_ETR, SPI2_MOSI/I2S2_SD; additional function ADC_IN13. |
| 12 | VSSA | power_in | Analog ground pin for the ADC and other analog blocks. |
| 13 | VDDA | power_in | Analog power supply pin for the ADC and other analog blocks. |
| 14 | PA0 | bidirectional | I/O with TT structure as printed in the pin table; alternate functions TIM2_CH1, USART2_CTS, TIM2_ETR, USART4_TX, COMP1_OUT; additional functions COMP1_INM, ADC_IN0, RTC_TAMP2/WKUP1. |
| 15 | PA1 | bidirectional | 5 V tolerant (FT) I/O; alternate functions EVENTOUT, TIM2_CH2, USART2_RTS/USART2_DE, TIM21_ETR, USART4_RX; additional functions COMP1_INP, ADC_IN1. |
| 16 | PA2 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM21_CH1, TIM2_CH3, USART2_TX, LPUART1_TX, COMP2_OUT; additional functions COMP2_INM, ADC_IN2. |
| 17 | PA3 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM21_CH2, TIM2_CH4, USART2_RX, LPUART1_RX; additional functions COMP2_INP, ADC_IN3. |
| 18 | VSS | power_in | Ground pin of the MCU digital supply. |
| 19 | VDD | power_in | Digital power supply pin; the device operates from 1.65 V to 3.6 V. |
| 20 | PA4 | bidirectional | Standard 3.3 V (TC) I/O; alternate functions SPI1_NSS, USART2_CK, TIM22_ETR; additional functions COMP1_INM, COMP2_INM, ADC_IN4. |
| 21 | PA5 | bidirectional | Standard 3.3 V (TC) I/O; alternate functions SPI1_SCK, TIM2_ETR, TIM2_CH1; additional functions COMP1_INM, COMP2_INM, ADC_IN5. |
| 22 | PA6 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI1_MISO, TIM3_CH1, LPUART1_CTS, TIM22_CH1, EVENTOUT, COMP1_OUT; additional function ADC_IN6. |
| 23 | PA7 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI1_MOSI, TIM3_CH2, TIM22_CH2, EVENTOUT, COMP2_OUT; additional function ADC_IN7. |
| 24 | PC4 | bidirectional | 5 V tolerant (FT) I/O; alternate functions EVENTOUT, LPUART1_TX; additional function ADC_IN14. |
| 25 | PC5 | bidirectional | 5 V tolerant (FT) I/O; alternate function LPUART1_RX; additional function ADC_IN15. |
| 26 | PB0 | bidirectional | 5 V tolerant (FT) I/O; alternate functions EVENTOUT, TIM3_CH3; additional functions ADC_IN8, VREF_OUT. |
| 27 | PB1 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM3_CH4, LPUART1_RTS/LPUART1_DE; additional functions ADC_IN9, VREF_OUT. |
| 28 | PB2 | bidirectional | 5 V tolerant (FT) I/O; alternate functions LPTIM1_OUT, I2C3_SMBA. |
| 29 | PB10 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM2_CH3, LPUART1_TX, SPI2_SCK, I2C2_SCL, LPUART1_RX. |
| 30 | PB11 | bidirectional | 5 V tolerant (FT) I/O; alternate functions EVENTOUT, TIM2_CH4, LPUART1_RX, I2C2_SDA, LPUART1_TX. |
| 31 | VSS | power_in | Ground pin of the MCU digital supply. |
| 32 | VDD | power_in | Digital power supply pin; the device operates from 1.65 V to 3.6 V. |
| 33 | PB12 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI2_NSS/I2S2_WS, LPUART1_RTS/LPUART1_DE, I2C2_SMBA, EVENTOUT. |
| 34 | PB13 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions SPI2_SCK/I2S2_CK, MCO, LPUART1_CTS, I2C2_SCL, TIM21_CH1. |
| 35 | PB14 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions SPI2_MISO/I2S2_MCK, RTC_OUT, LPUART1_RTS/LPUART1_DE, I2C2_SDA, TIM21_CH2. |
| 36 | PB15 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI2_MOSI/I2S2_SD, RTC_REFIN. |
| 37 | PC6 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM22_CH1, TIM3_CH1. |
| 38 | PC7 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM22_CH2, TIM3_CH2. |
| 39 | PC8 | bidirectional | 5 V tolerant (FT) I/O; alternate functions TIM22_ETR, TIM3_CH3. |
| 40 | PC9 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions TIM21_ETR, TIM3_CH4, I2C3_SDA. |
| 41 | PA8 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions MCO, EVENTOUT, USART1_CK, I2C3_SCL. |
| 42 | PA9 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions MCO, USART1_TX, I2C1_SCL, I2C3_SMBA. |
| 43 | PA10 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions USART1_RX, I2C1_SDA. |
| 44 | PA11 | bidirectional | 5 V tolerant (FT) I/O supplied by VDDIO2; alternate functions SPI1_MISO, EVENTOUT, USART1_CTS, COMP1_OUT. |
| 45 | PA12 | bidirectional | 5 V tolerant (FT) I/O supplied by VDDIO2; alternate functions SPI1_MOSI, EVENTOUT, USART1_RTS/USART1_DE, COMP2_OUT. |
| 46 | PA13 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SWDIO (serial wire debug data) and LPUART1_RX. |
| 47 | VSS | power_in | Ground pin of the MCU digital supply. |
| 48 | VDDIO2 | power_in | Supply pin for the I/Os PA11 and PA12. |
| 49 | PA14 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SWCLK (serial wire debug clock), USART2_TX, LPUART1_TX. |
| 50 | PA15 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI1_NSS, TIM2_ETR, EVENTOUT, USART2_RX, TIM2_CH1, USART4_RTS/USART4_DE. |
| 51 | PC10 | bidirectional | 5 V tolerant (FT) I/O; alternate functions LPUART1_TX, USART4_TX. |
| 52 | PC11 | bidirectional | 5 V tolerant (FT) I/O; alternate functions LPUART1_RX, USART4_RX. |
| 53 | PC12 | bidirectional | 5 V tolerant (FT) I/O; alternate functions USART5_TX, USART4_CK. |
| 54 | PD2 | bidirectional | 5 V tolerant (FT) I/O; alternate functions LPUART1_RTS/LPUART1_DE, TIM3_ETR, USART5_RX. |
| 55 | PB3 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI1_SCK, TIM2_CH2, EVENTOUT, USART1_RTS/USART1_DE, USART5_TX; additional function COMP2_INM. |
| 56 | PB4 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions SPI1_MISO, TIM3_CH1, TIM22_CH1, USART1_CTS, USART5_RX, I2C3_SDA; additional function COMP2_INP. |
| 57 | PB5 | bidirectional | 5 V tolerant (FT) I/O; alternate functions SPI1_MOSI, LPTIM1_IN1, I2C1_SMBA, TIM3_CH2/TIM22_CH2, USART1_CK, USART5_CK, USART5_RTS/USART5_DE; additional function COMP2_INP. |
| 58 | PB6 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions USART1_TX, I2C1_SCL, LPTIM1_ETR; additional function COMP2_INP. |
| 59 | PB7 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions USART1_RX, I2C1_SDA, LPTIM1_IN2, USART4_CTS; additional functions COMP2_INP, VREF_PVD_IN. |
| 60 | BOOT0 | input | Dedicated BOOT0 boot-mode input pin. |
| 61 | PB8 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate function I2C1_SCL. |
| 62 | PB9 | bidirectional | 5 V tolerant, Fast Mode Plus capable (FTf) I/O; alternate functions EVENTOUT, I2C1_SDA, SPI2_NSS/I2S2_WS. |
| 63 | VSS | power_in | Ground pin of the MCU digital supply. |
| 64 | VDD | power_in | Digital power supply pin; the device operates from 1.65 V to 3.6 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
STM32L071RBT7 - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
stm32l071rbt7-etched.step/stm32l071rbt7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32l071rbt7.step/stm32l071rbt7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (148 pp, sha256
f413c7ce36b98e6c, retrieved 2026-10-11, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).