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Contents

Pinout
Key specifications
CAD (KiCad official)
Provenance

README

markdown

STM32F301R8T6

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

STM32F301R8T6 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 for RTC and backup registers, 2.0 to 3.6 V
2	PC13	bidirectional	Port C GPIO bit 13 with RTC tamper/timestamp output and system wakeup 2 input functions
3	PC14	bidirectional	Port C GPIO bit 14 for low-speed oscillator input (OSC32_IN), 32.768 kHz
4	PC15	bidirectional	Port C GPIO bit 15 for low-speed oscillator output (OSC32_OUT), 32.768 kHz
5	PF0	bidirectional	Port F GPIO bit 0 for main oscillator input (OSC_IN), 5 V tolerant with I2C FM+ option
6	PF1	output	Port F GPIO bit 1 for main oscillator output (OSC_OUT), 4 to 32 MHz, 5 V tolerant I2C FM+ option
7	NRST	bidirectional	Device reset input/output, active low with embedded weak pull-up resistor
8	PC0	bidirectional	Port C GPIO bit 0 with alternate timer TIM1_CH1 and ADC channel 6 input functions
9	PC1	bidirectional	Port C GPIO bit 1 with alternate timer TIM1_CH2 and ADC channel 7 input functions
10	PC2	bidirectional	Port C GPIO bit 2 with alternate timer TIM1_CH3 and ADC channel 8 input functions
11	PC3	bidirectional	Port C GPIO bit 3 with alternate timer TIM1_CH4/BKIN2 and ADC channel 9 input functions
12	VSSA/VREF-	power_in	Analog ground and negative reference voltage (VREF-), 0 V
13	VDDA/VREF+	power_in	Analog power supply and positive reference voltage (VREF+), 2.0 to 3.6 V
14	PA0	bidirectional	Port A GPIO bit 0 with ADC channel 1, RTC wakeup 1/tamper 2/timestamp inputs and timer TIM2 functions
15	PA1	bidirectional	Port A GPIO bit 1 with ADC channel 2, RTC reference input and timer TIM2/TIM15 functions
16	PA2	bidirectional	Port A GPIO bit 2 with ADC channel 3, comparator 2 output/input and timer TIM2/TIM15 functions
17	PA3	bidirectional	Port A GPIO bit 3 with ADC channel 4 and timer TIM2/TIM15 and USART functions
18	VSS	power_in	Digital ground, 0 V
19	VDD	power_in	Digital power supply, 2.0 to 3.6 V
20	PA4	bidirectional	Port A GPIO bit 4 with ADC channel 5, DAC output 1 and comparator 2/4/6 input functions, reduced touch sensitivity
21	PA5	bidirectional	Port A GPIO bit 5 with operational amplifier 2 negative input and timer TIM2 functions
22	PA6	bidirectional	Port A GPIO bit 6 with ADC channel 10, operational amplifier 2 output and timer TIM16/TIM1 functions, reduced touch sensitivity
23	PA7	bidirectional	Port A GPIO bit 7 with ADC channel 15, operational amplifier 2 and comparator 2 functions with timer TIM17/TIM1
24	PC4	bidirectional	Port C GPIO bit 4 with USART 1 transmit and timer TIM1 external trigger functions
25	PC5	bidirectional	Port C GPIO bit 5 with USART 1 receive, touch sensing group 3 and operational amplifier 2 negative input functions
26	PB0	bidirectional	Port B GPIO bit 0 with ADC channel 11, comparator 4 positive input and operational amplifier 2 positive input functions
27	PB1	bidirectional	Port B GPIO bit 1 with ADC channel 12, comparator 4 output and timer TIM1 channel 3 negative functions
28	PB2	bidirectional	Port B GPIO bit 2 with touch sensing group 3 and comparator 4 negative input functions
29	PB10	bidirectional	Port B GPIO bit 10 with USART 3 transmit, touch sensing controller synchronization and timer TIM2 functions
30	PB11	bidirectional	Port B GPIO bit 11 with ADC channel 14, USART 3 receive, touch sensing group 6 and comparator 6 positive input functions
31	VSS	power_in	Digital ground, 0 V
32	VDD	power_in	Digital power supply, 2.0 to 3.6 V
33	PB12	bidirectional	Port B GPIO bit 12 with I2C 2 SMBus alert, SPI 2 slave select, timer TIM1 break input and USART 3 clock functions
34	PB13	bidirectional	Port B GPIO bit 13 with ADC channel 13, SPI 2 clock, timer TIM1 channel 1 negative and USART 3 clear-to-send functions
35	PB14	bidirectional	Port B GPIO bit 14 with operational amplifier 2 positive input, SPI 2 data input and timer TIM15/TIM1 functions
36	PB15	bidirectional	Port B GPIO bit 15 with comparator 6 negative input, SPI 2 data output, RTC reference and timer TIM15/TIM1 functions
37	PC6	bidirectional	Port C GPIO bit 6, 5 V tolerant with comparator 6 output and I2S master clock functions
38	PC7	bidirectional	Port C GPIO bit 7, 5 V tolerant with I2S 3 master clock function
39	PC8	bidirectional	Port C GPIO bit 8, 5 V tolerant with no dedicated peripheral functions
40	PC9	bidirectional	Port C GPIO bit 9, 5 V tolerant with I2C 3 SDA and I2S clock input functions
41	PA8	bidirectional	Port A GPIO bit 8, 5 V tolerant with microcontroller clock output, I2C 3/I2C 2 SMBus, I2S and timer TIM1 functions
42	PA9	bidirectional	Port A GPIO bit 9, 5 V tolerant with I2C 3 SMBus, I2C 2, I2S 3, timer TIM1/TIM15/TIM2 and USART 1 transmit functions
43	PA10	bidirectional	Port A GPIO bit 10, 5 V tolerant with I2C 2 SDA, SPI 2, timer TIM1/TIM2, comparator 6 and USART 1 receive functions
44	PA11	bidirectional	Port A GPIO bit 11, 5 V tolerant with SPI 2 data output, timer TIM1 channel 1 negative/channel 4/break and USART 1 functions
45	PA12	bidirectional	Port A GPIO bit 12, 5 V tolerant with timer TIM16, I2S clock input, comparator 2 output and USART 1 functions
46	PA13	bidirectional	Port A GPIO bit 13, 5 V tolerant with serial wire debug input (SWDIO), timer TIM16 channel 1 negative, infrared output and USART 3 functions
47	VSS	power_in	Digital ground, 0 V
48	VDD	power_in	Digital power supply, 2.0 to 3.6 V
49	PA14	bidirectional	Port A GPIO bit 14, 5 V tolerant with serial wire/JTAG clock (SWCLK), timer TIM1 break input, I2C 1 SDA and USART 2 functions
50	PA15	bidirectional	Port A GPIO bit 15, 5 V tolerant with JTAG data input, timer TIM2/TIM1 break, I2C 1 and SPI 3 functions
51	PC10	bidirectional	Port C GPIO bit 10, 5 V tolerant with SPI 3 clock/I2S 3 clock and USART 3 transmit functions
52	PC11	bidirectional	Port C GPIO bit 11, 5 V tolerant with SPI 3 data input/I2S 3 extended data and USART 3 receive functions
53	PC12	bidirectional	Port C GPIO bit 12, 5 V tolerant with SPI 3 data output/I2S 3 data and USART 3 clock functions
54	PD2	bidirectional	Port D GPIO bit 2, 5 V tolerant with no dedicated peripheral functions
55	PB3	bidirectional	Port B GPIO bit 3, 5 V tolerant with JTAG data output (TRACESWO), timer TIM2, SPI 3 and USART 2 functions
56	PB4	bidirectional	Port B GPIO bit 4, 5 V tolerant with JTAG reset, timer TIM16/TIM17, SPI 3 and USART 2 functions
57	PB5	bidirectional	Port B GPIO bit 5, 5 V tolerant with timer TIM16 break input/TIM17, I2C 1 and I2C 3 functions
58	PB6	bidirectional	Port B GPIO bit 6, 5 V tolerant with I2C 1 clock, timer TIM16 channel 1 negative, USART 1 and touch sensing functions
59	PB7	bidirectional	Port B GPIO bit 7, 5 V tolerant with I2C 1 SDA, timer TIM17 channel 1 negative, USART 1 and touch sensing functions
60	BOOT0	input	Boot memory selection input pin, determines execution from Flash or system memory
61	PB8	bidirectional	Port B GPIO bit 8, 5 V tolerant with I2C 1 clock, timer TIM16 channel 1, USART 3 and touch sensing controller functions
62	PB9	bidirectional	Port B GPIO bit 9, 5 V tolerant with I2C 1 SDA, infrared output, USART 3 and comparator 2 output functions
63	VSS	power_in	Digital ground, 0 V
64	VDD	power_in	Digital power supply, 2.0 to 3.6 V

Key specifications

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

CAD (KiCad official)

Symbol: STM32F301R8T6
Footprint: Package_QFP:LQFP-64_10x10mm_P0.5mm
3D model: LQFP-64(10x10) (KiCad packages3D, STEP)
3D model files: stm32f301r8t6-etched.step / stm32f301r8t6-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); stm32f301r8t6.step / stm32f301r8t6.glb are the bare package body.

Provenance

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

Datasheet: STMicroelectronics datasheet (141 pp, sha256 9ae9edf84cf1c039, retrieved 2026-10-01, 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