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STM32F103RFT6
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
markdownSTM32F103RFT6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32F103RFT6 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 | VBAT | power_in | Backup battery supply pin for RTC and backup registers, voltage range 1.8 to 3.6 V |
| 2 | PC13-TAMPER-RTC | bidirectional | Port C pin 13 supplied through power switch, supports TAMPER-RTC alternate function |
| 3 | PC14-OSC32_IN | bidirectional | Port C pin 14 supplied through power switch, supports OSC32_IN low-speed external oscillator input |
| 4 | PC15-OSC32_OUT | bidirectional | Port C pin 15 supplied through power switch, supports OSC32_OUT low-speed external oscillator output |
| 5 | PD0-OSC_IN | bidirectional | High-speed external oscillator input pin, accepts 4 to 16 MHz clock |
| 6 | PD1-OSC_OUT | bidirectional | High-speed external oscillator output pin for crystal resonator |
| 7 | NRST | input | Active-low reset pin with integrated pull-up resistor and filtering |
| 8 | PC0 | bidirectional | Port C pin 0 with 5V tolerant I/O, supports ADC123_IN10 |
| 9 | PC1 | bidirectional | Port C pin 1 with 5V tolerant I/O, supports ADC123_IN11 |
| 10 | PC2 | bidirectional | Port C pin 2 with 5V tolerant I/O, supports ADC123_IN12 |
| 11 | PC3 | bidirectional | Port C pin 3 with 5V tolerant I/O, supports ADC123_IN13 |
| 12 | VSSA | power_in | Analog ground reference pin for ADC and DAC |
| 13 | VDDA | power_in | Analog power supply pin, voltage range 2.4 to 3.6 V |
| 14 | PA0-WKUP | bidirectional | Port A pin 0 with wakeup capability, supports USART2_CTS, ADC123_IN0, TIM2_CH1_ETR, TIM5_CH1, TIM8_ETR |
| 15 | PA1 | bidirectional | Port A pin 1 supports USART2_RTS, ADC123_IN1, TIM5_CH2 |
| 16 | PA2 | bidirectional | Port A pin 2 supports USART2_TX, TIM5_CH3, ADC123_IN2, TIM9_CH1 |
| 17 | PA3 | bidirectional | Port A pin 3 supports USART2_RX, TIM5_CH4, ADC123_IN3, TIM9_CH2 |
| 18 | VSS | power_in | |
| 19 | VDD | power_in | |
| 20 | PA4 | bidirectional | Port A pin 4 supports SPI1_NSS, USART2_CK, DAC_OUT1, ADC12_IN4 |
| 21 | PA5 | bidirectional | Port A pin 5 supports SPI1_SCK, DAC_OUT2, ADC12_IN5 |
| 22 | PA6 | bidirectional | Port A pin 6 supports SPI1_MISO, TIM8_BKIN, ADC12_IN6, TIM13_CH1 |
| 23 | PA7 | bidirectional | Port A pin 7 supports SPI1_MOSI, TIM8_CH1N, ADC12_IN7, TIM14_CH1 |
| 24 | PC4 | bidirectional | Port C pin 4 with 5V tolerant I/O, supports ADC12_IN14 |
| 25 | PC5 | bidirectional | Port C pin 5 with 5V tolerant I/O, supports ADC12_IN15 |
| 26 | PB0 | bidirectional | Port B pin 0 supports ADC12_IN8, TIM3_CH3, TIM8_CH2N |
| 27 | PB1 | bidirectional | Port B pin 1 supports ADC12_IN9, TIM3_CH4, TIM8_CH3N |
| 28 | PB2 | bidirectional | Port B pin 2 with 5V tolerant I/O, supports boot mode selection |
| 29 | PB10 | bidirectional | Port B pin 10 with 5V tolerant I/O, supports I2C2_SCL, USART3_TX, TIM2_CH3 |
| 30 | PB11 | bidirectional | Port B pin 11 with 5V tolerant I/O, supports I2C2_SDA, USART3_RX, TIM2_CH4 |
| 31 | VSS | power_in | |
| 32 | VDD | power_in | |
| 33 | PB12 | bidirectional | Port B pin 12 with 5V tolerant I/O, supports SPI2_NSS, I2S2_WS, I2C2_SMBA, USART3_CK |
| 34 | PB13 | bidirectional | Port B pin 13 with 5V tolerant I/O, supports SPI2_SCK, I2S2_CK, USART3_CTS |
| 35 | PB14 | bidirectional | Port B pin 14 with 5V tolerant I/O, supports SPI2_MISO, TIM1_CH2N, USART3_RTS |
| 36 | PB15 | bidirectional | Port B pin 15 with 5V tolerant I/O, supports SPI2_MOSI, I2S2_SD, TIM1_CH3N |
| 37 | PC6 | bidirectional | Port C pin 6 with 5V tolerant I/O, supports I2S2_MCK, TIM8_CH1, SDIO_D6 |
| 38 | PC7 | bidirectional | Port C pin 7 with 5V tolerant I/O, supports I2S3_MCK, TIM8_CH2, SDIO_D7 |
| 39 | PC8 | bidirectional | Port C pin 8 with 5V tolerant I/O, supports TIM8_CH3, SDIO_D0 |
| 40 | PC9 | bidirectional | Port C pin 9 with 5V tolerant I/O, supports TIM8_CH4, SDIO_D1 |
| 41 | PA8 | bidirectional | Port A pin 8 with 5V tolerant I/O, supports USART1_CK, TIM1_CH1, MCO |
| 42 | PA9 | bidirectional | Port A pin 9 with 5V tolerant I/O, supports USART1_TX, TIM1_CH2 |
| 43 | PA10 | bidirectional | Port A pin 10 with 5V tolerant I/O, supports USART1_RX, TIM1_CH3 |
| 44 | PA11 | bidirectional | Port A pin 11 with 5V tolerant I/O, supports USART1_CTS, USBDM, CAN_RX, TIM1_CH4 |
| 45 | PA12 | bidirectional | Port A pin 12 with 5V tolerant I/O, supports USART1_RTS, USBDP, CAN_TX, TIM1_ETR |
| 46 | PA13 | bidirectional | Port A pin 13 with 5V tolerant I/O, dedicated to JTMS-SWDIO debug interface |
| 47 | VSS | power_in | |
| 48 | VDD | power_in | |
| 49 | PA14 | bidirectional | Port A pin 14 with 5V tolerant I/O, dedicated to JTCK-SWCLK debug interface |
| 50 | PA15 | bidirectional | Port A pin 15 with 5V tolerant I/O, dedicated to JTDI, supports SPI3_NSS, I2S3_WS, TIM2_CH1_ETR |
| 51 | PC10 | bidirectional | Port C pin 10 with 5V tolerant I/O, supports UART4_TX, SDIO_D2, USART3_TX |
| 52 | PC11 | bidirectional | Port C pin 11 with 5V tolerant I/O, supports UART4_RX, SDIO_D3, USART3_RX |
| 53 | PC12 | bidirectional | Port C pin 12 with 5V tolerant I/O, supports UART5_TX, SDIO_CK, USART3_CK |
| 54 | PD2 | bidirectional | Port D pin 2 with 5V tolerant I/O, supports TIM3_ETR, UART5_RX, SDIO_CMD |
| 55 | PB3 | bidirectional | Port B pin 3 with 5V tolerant I/O, dedicated to JTDO and TRACESWO, supports SPI3_SCK, I2S3_CK, TIM2_CH2 |
| 56 | PB4 | bidirectional | Port B pin 4 with 5V tolerant I/O, dedicated to NJTRST, supports SPI3_MISO |
| 57 | PB5 | bidirectional | Port B pin 5 supports I2C1_SMBA, SPI3_MOSI, I2S3_SD, TIM3_CH2 |
| 58 | PB6 | bidirectional | Port B pin 6 with 5V tolerant I/O, supports I2C1_SCL, TIM4_CH1, USART1_TX |
| 59 | PB7 | bidirectional | Port B pin 7 with 5V tolerant I/O, supports I2C1_SDA, FSMC_NADV, TIM4_CH2, USART1_RX |
| 60 | BOOT0 | input | Boot mode pin for selecting boot source from Flash, SRAM, or system memory |
| 61 | PB8 | bidirectional | Port B pin 8 with 5V tolerant I/O, supports TIM4_CH3, SDIO_D4, TIM10_CH1, I2C1_SCL, CAN_RX |
| 62 | PB9 | bidirectional | |
| 63 | VSS | power_in | |
| 64 | VDD | power_in |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
STM32F103RFT6 - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
stm32f103rft6-etched.step/stm32f103rft6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f103rft6.step/stm32f103rft6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (120 pp, sha256
d4650f1e5a23ce6e, retrieved 2026-09-29, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).