STM32F103C8T6 - RobotDyn Black Pill

Overview

Board	Name	RobotDyn Black Pill
	Brand	RobotDyn
	Origin	AliExpress, China
Microcontroller	Part	STM32F103C8T6
	Package	LQFP48
	Core	Cortex-M3
	FLASH	64KB
	SRAM	20KB
	Max. Clock Speed	72MHz
Crystals	HSE (High Speed External)	8MHz
	LSE (Low Speed External)	32.768kHz
Power	Sources	Any +3.3V pin (+3.3V) Any +5V pin (+5V) USB connector (+5V)
	Regulator manufacturer	Unkown
	Regulator part number	Unkown (S20A)
	Regulator package	SOT353
	Output	+3.3V @ 180mA
	Battery holder	No
Connectivity	Headers	2x 1x20 male dupont (2.54mm)
	Specific	None
	Debug	SWD (1x4 male dupont (2.54mm))
	USB	Micro
I/O	LEDs	Power LED (ON, +3.3V) User LED (L, PC13, sink)
	Buttons, switches and jumpers	Reset button (RST, NRST, active low) 2-way jumper (BOOT0) 2-way jumper (BOOT1)
	Other devices	None
PCB	Colour	Black
	Size	53mm x 18mm
	Mounting	Breadboard
Remarks	Warning: The +5V pins on this board are directly connected to the +5V pin of the USB connector. There is no protection in place. Do not power this board through USB and an external power supply at the same time. Trivia: This board is a variation on the better known Blue Pill.

Resources

• Schematic
• Pinout
• Dimensions

Pictures

Header 1

Pin	Connected to
GND	Ground plane
GND	Ground plane
3V3	+3.3V rail
RST	NRST
B11	PB11
B10	PB10
B1	PB1
B0	PB0
A7	PA7
A6	PA6
A5	PA5
A4	PA4
A3	PA3
A2	PA2
A1	PA1
A0	PA0
C15	PC15
C14	PC14
C13	PC13
VBT	VBAT

Header 2

Pin	Connected to
3V3	+3.3 rail
GND	Ground plane
5V	+5V rail
B9	PB9
B8	PB8
B7	PB7
B6	PB6
B5	PB5
B4	PB4
B3	PB3
A15	PA15
A12	PA12
A11	PA11
A10	PA10
A9	PA9
A8	PA8
B15	PB15
B14	PB14
B13	PB13
B12	PB12

USB

Pin	Connected to
VCC	+5V rail
D-	PA11
D+	PA12
ID	N.C.
GND	Ground plane

SWD

Pin	Connected to
GND	Ground plane
CLK	PA14
DIO	PA13
3V3	+3.3V rail