component
STM32F303R6T6
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
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
README
markdownSTM32F303R6T6
STMicroelectronics · Microcontrollers (MCU/MPU/SOC) · LQFP-64(10x10)
STM32F303R6T6 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 power supply input for the RTC and backup registers. |
| 2 | PC13 | bidirectional | Standard 3.3 V I/O (TC) supplied through the power switch, which sinks only 3 mA, so output use is limited to 2 MHz at 30 pF and it must not source current such as driving an LED; alternate functions include TIM1_CH1N and RTC_TAMP1/RTC_TS/RTC_OUT/WKUP2. |
| 3 | PC14 / OSC32_IN | bidirectional | Standard 3.3 V I/O (TC) supplied through the power switch with the same 3 mA and output-use limits as PC13, and serving as OSC32_IN for the 32 kHz oscillator. |
| 4 | PC15 / OSC32_OUT | bidirectional | Standard 3.3 V I/O (TC) supplied through the power switch with the same 3 mA and output-use limits as PC13, and serving as OSC32_OUT for the 32 kHz oscillator. |
| 5 | PF0 / OSC_IN | bidirectional | 5 V-tolerant I/O (FT) that serves as OSC_IN for the 4 to 32 MHz crystal oscillator and also provides TIM1_CH3N. |
| 6 | PF1 / OSC_OUT | bidirectional | 5 V-tolerant I/O (FT) that serves as OSC_OUT for the 4 to 32 MHz crystal oscillator. |
| 7 | NRST | bidirectional | Bi-directional active-low device reset input and internal reset output, with an embedded weak pull-up resistor. |
| 8 | PC0 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions EVENTOUT, TIM1_CH1 and ADC12_IN6. |
| 9 | PC1 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions EVENTOUT, TIM1_CH2 and ADC12_IN7. |
| 10 | PC2 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions EVENTOUT, TIM1_CH3 and ADC12_IN8. |
| 11 | PC3 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions EVENTOUT, TIM1_CH4, TIM1_BKIN2 and ADC12_IN9. |
| 12 | VSSA/VREF- | power_in | Analog ground and negative reference voltage. |
| 13 | VDDA/VREF+ | power_in | Analog power supply and positive reference voltage (separate analog supply for ADC, DAC, comparators and op-amp). |
| 14 | PA0 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM2_CH1/TIM2_ETR, TSC_G1_IO1, USART2_CTS, EVENTOUT, ADC1_IN1 and RTC_TAMP2/WKUP1. |
| 15 | PA1 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM2_CH2, TSC_G1_IO2, USART2_RTS_DE, TIM15_CH1N, EVENTOUT, ADC1_IN2 and RTC_REFIN. |
| 16 | PA2 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM2_CH3, TSC_G1_IO3, USART2_TX, COMP2_OUT, TIM15_CH1, EVENTOUT, ADC1_IN3 and COMP2_INM. |
| 17 | PA3 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM2_CH4, TSC_G1_IO4, USART2_RX, TIM15_CH2, EVENTOUT and ADC1_IN4. |
| 18 | VSS | power_in | Digital ground. |
| 19 | VDD | power_in | Digital power supply. |
| 20 | PA4 | bidirectional | 3.3 V tolerant I/O (TTa) with reduced touch sensing sensitivity (recommended as sampling capacitor I/O), with alternate functions TIM3_CH2, TSC_G2_IO1, SPI1_NSS, USART2_CK, EVENTOUT, ADC2_IN1, DAC1_OUT1, COMP2_INM, COMP4_INM and COMP6_INM. |
| 21 | PA5 | bidirectional | 3.3 V tolerant I/O (TTa) with reduced touch sensing sensitivity (recommended as sampling capacitor I/O), with alternate functions TIM2_CH1/TIM2_ETR, TSC_G2_IO2, SPI1_SCK, EVENTOUT, ADC2_IN2, DAC1_OUT2 and OPAMP2_VINM. |
| 22 | PA6 | bidirectional | 3.3 V tolerant I/O (TTa) with reduced touch sensing sensitivity (recommended as sampling capacitor I/O), with alternate functions TIM16_CH1, TIM3_CH1, TSC_G2_IO3, SPI1_MISO, TIM1_BKIN, EVENTOUT, ADC2_IN3, DAC2_OUT1 and OPAMP2_VOUT. |
| 23 | PA7 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM17_CH1, TIM3_CH2, TSC_G2_IO4, SPI1_MOSI, TIM1_CH1N, EVENTOUT, ADC2_IN4, COMP2_INP and OPAMP2_VINP. |
| 24 | PC4 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions EVENTOUT, TIM1_ETR, USART1_TX and ADC2_IN5. |
| 25 | PC5 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions EVENTOUT, TIM15_BKIN, TSC_G3_IO1, USART1_RX, ADC2_IN11 and OPAMP2_VINM. |
| 26 | PB0 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM3_CH3, TSC_G3_IO2, TIM1_CH2N, EVENTOUT, ADC1_IN11, COMP4_INP and OPAMP2_VINP. |
| 27 | PB1 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM3_CH4, TSC_G3_IO3, TIM1_CH3N, COMP4_OUT, EVENTOUT and ADC1_IN12. |
| 28 | PB2 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TSC_G3_IO4, EVENTOUT, ADC2_IN12 and COMP4_INM. |
| 29 | PB10 | bidirectional | 3.3 V tolerant I/O (TT), with alternate functions TIM2_CH3, TSC_SYNC, USART3_TX and EVENTOUT. |
| 30 | PB11 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM2_CH4, TSC_G6_IO1, USART3_RX, EVENTOUT and COMP6_INP. |
| 31 | VSS | power_in | Digital ground. |
| 32 | VDD | power_in | Digital power supply. |
| 33 | PB12 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TSC_G6_IO2, TIM1_BKIN, USART3_CK, EVENTOUT and ADC2_IN13. |
| 34 | PB13 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TSC_G6_IO3, TIM1_CH1N, USART3_CTS, EVENTOUT and ADC1_IN13. |
| 35 | PB14 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM15_CH1, TSC_G6_IO4, TIM1_CH2N, USART3_RTS_DE, EVENTOUT, ADC2_IN14 and OPAMP2_VINP. |
| 36 | PB15 | bidirectional | 3.3 V tolerant I/O (TTa) connected directly to the ADC, with alternate functions TIM15_CH2, TIM15_CH1N, TIM1_CH3N, EVENTOUT, ADC2_IN15, COMP6_INM and RTC_REFIN. |
| 37 | PC6 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT, TIM3_CH1 and COMP6_OUT. |
| 38 | PC7 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and TIM3_CH2. |
| 39 | PC8 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and TIM3_CH3. |
| 40 | PC9 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and TIM3_CH4. |
| 41 | PA8 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions MCO, TIM1_CH1, USART1_CK and EVENTOUT. |
| 42 | PA9 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions TSC_G4_IO1, TIM1_CH2, USART1_TX, TIM15_BKIN, TIM2_CH3 and EVENTOUT. |
| 43 | PA10 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions TIM17_BKIN, TSC_G4_IO2, TIM1_CH3, USART1_RX, COMP6_OUT, TIM2_CH4 and EVENTOUT. |
| 44 | PA11 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions TIM1_CH1N, USART1_CTS, CAN_RX, TIM1_CH4, TIM1_BKIN2 and EVENTOUT. |
| 45 | PA12 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions TIM16_CH1, TIM1_CH2N, USART1_RTS_DE, COMP2_OUT, CAN_TX, TIM1_ETR and EVENTOUT. |
| 46 | PA13 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions JTMS/SWDAT, TIM16_CH1N, TSC_G4_IO3, IR_OUT, USART3_CTS and EVENTOUT; also the infrared output option. |
| 47 | VSS | power_in | Digital ground. |
| 48 | VDD | power_in | Digital power supply. |
| 49 | PA14 | bidirectional | 5 V-tolerant, Fm+ capable I/O (FTf), with alternate functions JTCK/SWCLK, TSC_G4_IO4, I2C1_SDA, TIM1_BKIN, USART2_TX and EVENTOUT. |
| 50 | PA15 | bidirectional | 5 V-tolerant, Fm+ capable I/O (FTf), with alternate functions JTDI, TIM2_CH1/TIM2_ETR, TSC_SYNC, I2C1_SCL, SPI1_NSS, USART2_RX, TIM1_BKIN and EVENTOUT. |
| 51 | PC10 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and USART3_TX. |
| 52 | PC11 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and USART3_RX. |
| 53 | PC12 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and USART3_CK. |
| 54 | PD2 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions EVENTOUT and TIM3_ETR. |
| 55 | PB3 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions JTDO/TRACESWO, TIM2_CH2, TSC_G5_IO1, SPI1_SCK, USART2_TX, TIM3_ETR and EVENTOUT. |
| 56 | PB4 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions NJTRST, TIM16_CH1, TIM3_CH1, TSC_G5_IO2, SPI1_MISO, USART2_RX, TIM17_BKIN and EVENTOUT. |
| 57 | PB5 | bidirectional | 5 V-tolerant I/O (FT), with alternate functions TIM16_BKIN, TIM3_CH2, I2C1_SMBA, SPI1_MOSI, USART2_CK, TIM17_CH1 and EVENTOUT. |
| 58 | PB6 | bidirectional | 5 V-tolerant, Fm+ capable I/O (FTf), with alternate functions TIM16_CH1N, TSC_G5_IO3, I2C1_SCL, USART1_TX and EVENTOUT. |
| 59 | PB7 | bidirectional | 5 V-tolerant, Fm+ capable I/O (FTf), with alternate functions TIM17_CH1N, TSC_G5_IO4, I2C1_SDA, USART1_RX, TIM3_CH4 and EVENTOUT. |
| 60 | BOOT0 | input | Dedicated BOOT0 pin used for boot configuration. |
| 61 | PB8 | bidirectional | 5 V-tolerant, Fm+ capable I/O (FTf), with alternate functions TIM16_CH1, TSC_SYNC, I2C1_SCL, USART3_RX, CAN_RX, TIM1_BKIN and EVENTOUT. |
| 62 | PB9 | bidirectional | 5 V-tolerant, Fm+ capable I/O (FTf), with alternate functions TIM17_CH1, I2C1_SDA, IR_OUT, USART3_TX, COMP2_OUT, CAN_TX and EVENTOUT. |
| 63 | VSS | power_in | Digital ground. |
| 64 | VDD | power_in | Digital power supply. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | LQFP-64(10x10) |
| Category | Embedded Processors & Controllers |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
STM32F303R6T6 - Footprint:
Package_QFP:LQFP-64_10x10mm_P0.5mm - 3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
stm32f303r6t6-etched.step/stm32f303r6t6-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);stm32f303r6t6.step/stm32f303r6t6.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (124 pp, sha256
a2ef8412ae529745, retrieved 2026-10-08, 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).