# STM32F070RBT6TR

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

STM32F070RBT6TR 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 | Digital power supply, 2.4 to 3.6 V |
| 2 | PC13 | bidirectional | General-purpose I/O pin with RTC domain features; alternate functions include WKUP2, RTC_TAMP1, RTC_TS, RTC_OUT |
| 3 | PC14-OSC32_IN | bidirectional | General-purpose I/O pin with RTC domain oscillator input; alternate function OSC32_IN |
| 4 | PC15-OSC32_OUT | bidirectional | General-purpose I/O pin with RTC domain oscillator output; alternate function OSC32_OUT |
| 5 | PF0-OSC_IN | bidirectional | 5V tolerant I/O pin with main oscillator input; alternate functions include I2C1_SDA, OSC_IN |
| 6 | PF1-OSC_OUT | bidirectional | 5V tolerant I/O pin with main oscillator output; alternate functions include I2C1_SCL, OSC_OUT |
| 7 | NRST | bidirectional | Device reset input / internal reset output (active low) with embedded weak pull-up resistor |
| 8 | PC0 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include EVENTOUT, ADC_IN10 |
| 9 | PC1 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include EVENTOUT, ADC_IN11 |
| 10 | PC2 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include SPI2_MISO, EVENTOUT, ADC_IN12 |
| 11 | PC3 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include SPI2_MOSI, EVENTOUT, ADC_IN13 |
| 12 | VSSA | power_in | Analog ground |
| 13 | VDDA | power_in | Analog power supply, 2.4 to 3.6 V |
| 14 | PA0 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include USART2_CTS, USART4_TX, RTC_TAMP2, WKUP1, ADC_IN0 |
| 15 | PA1 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include USART2_RTS, TIM15_CH1N, USART4_RX, EVENTOUT, ADC_IN1 |
| 16 | PA2 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include USART2_TX, TIM15_CH1, ADC_IN2, WKUP4 |
| 17 | PA3 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include USART2_RX, TIM15_CH2, ADC_IN3 |
| 18 | VSS | power_in | Ground |
| 19 | VDD | power_in | Digital power supply, 2.4 to 3.6 V |
| 20 | PA4 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include SPI1_NSS, TIM14_CH1, USART2_CK, USB_NOE, ADC_IN4 |
| 21 | PA5 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate function SPI1_SCK, ADC_IN5 |
| 22 | PA6 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include SPI1_MISO, TIM3_CH1, TIM1_BKIN, TIM16_CH1, EVENTOUT, USART3_CTS, ADC_IN6 |
| 23 | PA7 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include SPI1_MOSI, TIM3_CH2, TIM14_CH1, TIM1_CH1N, TIM17_CH1, EVENTOUT, ADC_IN7 |
| 24 | PC4 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include EVENTOUT, USART3_TX, ADC_IN14 |
| 25 | PC5 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include USART3_RX, ADC_IN15, WKUP5 |
| 26 | PB0 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include TIM3_CH3, TIM1_CH2N, EVENTOUT, USART3_CK, ADC_IN8 |
| 27 | PB1 | bidirectional | 3.3V tolerant I/O pin directly connected to ADC; alternate functions include TIM3_CH4, USART3_RTS, TIM14_CH1, TIM1_CH3N, ADC_IN9 |
| 28 | PB2 | bidirectional | 5V tolerant I/O pin with no alternate functions |
| 29 | PB10 | bidirectional | 5V tolerant I/O pin; alternate functions include SPI2_SCK, USART3_TX |
| 30 | PB11 | bidirectional | 5V tolerant I/O pin; alternate functions include USART3_RX, EVENTOUT, I2C2_SDA |
| 31 | VSS | power_in | Ground |
| 32 | VDD | power_in | Digital power supply, 2.4 to 3.6 V |
| 33 | PB12 | bidirectional | 5V tolerant I/O pin; alternate functions include TIM1_BKIN, TIM15_BKIN, SPI2_NSS, EVENTOUT, USART3_CK |
| 34 | PB13 | bidirectional | 5V tolerant I/O with FM+ capability; alternate functions include SPI2_SCK, I2C2_SCL, TIM1_CH1N, USART3_CTS |
| 35 | PB14 | bidirectional | 5V tolerant I/O with FM+ capability; alternate functions include SPI2_MISO, I2C2_SDA, TIM1_CH2N, TIM15_CH1, USART3_RTS |
| 36 | PB15 | bidirectional | 5V tolerant I/O pin; alternate functions include SPI2_MOSI, TIM1_CH3N, TIM15_CH1N, TIM15_CH2, WKUP7, RTC_REFIN |
| 37 | PC6 | bidirectional | 5V tolerant I/O pin; alternate function TIM3_CH1 |
| 38 | PC7 | bidirectional | 5V tolerant I/O pin; alternate function TIM3_CH2 |
| 39 | PC8 | bidirectional | 5V tolerant I/O pin; alternate function TIM3_CH3 |
| 40 | PC9 | bidirectional | 5V tolerant I/O pin; alternate function TIM3_CH4 |
| 41 | PA8 | bidirectional | 5V tolerant I/O pin; alternate functions include USART1_CK, TIM1_CH1, EVENTOUT, MCO |
| 42 | PA9 | bidirectional | 5V tolerant I/O pin; alternate functions include USART1_TX, TIM1_CH2, TIM15_BKIN, I2C1_SCL |
| 43 | PA10 | bidirectional | 5V tolerant I/O pin; alternate functions include USART1_RX, TIM1_CH3, TIM17_BKIN, I2C1_SDA |
| 44 | PA11 | bidirectional | 5V tolerant I/O pin with USB_DM additional function; alternate functions include USART1_CTS, TIM1_CH4, EVENTOUT |
| 45 | PA12 | bidirectional | 5V tolerant I/O pin with USB_DP additional function; alternate functions include USART1_RTS, TIM1_ETR, EVENTOUT |
| 46 | PA13 | bidirectional | 5V tolerant I/O pin with SWDIO debug function; alternate functions include IR_OUT, USB_NOE |
| 47 | VSS | power_in | Ground |
| 48 | VDD | power_in | Digital power supply, 2.4 to 3.6 V |
| 49 | PA14 | bidirectional | 5V tolerant I/O pin with SWCLK debug function; alternate function USART2_TX |
| 50 | PA15 | bidirectional | 5V tolerant I/O pin; alternate functions include SPI1_NSS, USART2_RX, USART4_RTS, EVENTOUT |
| 51 | PC10 | bidirectional | 5V tolerant I/O pin; alternate functions include USART3_TX, USART4_TX |
| 52 | PC11 | bidirectional | 5V tolerant I/O pin; alternate functions include USART3_RX, USART4_RX |
| 53 | PC12 | bidirectional | 5V tolerant I/O pin; alternate functions include USART3_CK, USART4_CK |
| 54 | PD2 | bidirectional | 5V tolerant I/O pin; alternate functions include TIM3_ETR, USART3_RTS |
| 55 | PB3 | bidirectional | 5V tolerant I/O pin; alternate functions include SPI1_SCK, EVENTOUT |
| 56 | PB4 | bidirectional | 5V tolerant I/O pin; alternate functions include SPI1_MISO, TIM17_BKIN, TIM3_CH1, EVENTOUT |
| 57 | PB5 | bidirectional | 5V tolerant I/O pin; alternate functions include SPI1_MOSI, I2C1_SMBA, TIM16_BKIN, TIM3_CH2, WKUP6 |
| 58 | PB6 | bidirectional | 5V tolerant I/O with FM+ capability; alternate functions include I2C1_SCL, USART1_TX, TIM16_CH1N |
| 59 | PB7 | bidirectional | 5V tolerant I/O with FM+ capability; alternate functions include I2C1_SDA, USART1_RX, USART4_CTS, TIM17_CH1N |
| 60 | BOOT0 | input | Boot memory selection input pin for selecting between flash and system memory boot |
| 61 | PB8 | bidirectional | 5V tolerant I/O with FM+ capability; alternate functions include I2C1_SCL, TIM16_CH1 |
| 62 | PB9 | bidirectional | 5V tolerant I/O with FM+ capability; alternate functions include SPI2_NSS, I2C1_SDA, IR_OUT, TIM17_CH1, EVENTOUT |
| 63 | VSS | power_in | Ground |
| 64 | VDD | power_in | Digital power supply, 2.4 to 3.6 V |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `STM32F070RBT6TR`
- Footprint: `Package_QFP:LQFP-64_10x10mm_P0.5mm`
- 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files: `stm32f070rbt6tr-etched.step` / `stm32f070rbt6tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `stm32f070rbt6tr.step` / `stm32f070rbt6tr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586182462716592128) (83 pp, sha256 `44d1b9bed723a262`, retrieved 2026-10-07, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (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](docs/stm32f070rbt6tr-datasheet.pdf)