STM32F103RET6 - Generic Board

Generic Board

Overview

Board	Name	Generic Board
	Brand	Unknown
	Origin	AliExpress, China
Microcontroller	Part	STM32F103RET6
	Package	LQFP64
	Core	Cortex-M3
	FLASH	512KB
	SRAM	64KB
	Max. Clock Speed	72MHz
Crystals	HSE (High Speed External)	8MHz
Crystals	LSE (Low Speed External)	32.768kHz
Power	Sources	Any +3.3V pin (+3.3V) Any +5V pin (+5V) USB connector (+5V)
	Regulator manufacturer	Advanced Monolithic Systems Inc.
	Regulator part number	AMS1117
	Regulator package	SOT223
	Output	+3.3V @ 1000mA
	Battery holder	Yes
Connectivity	Headers	2x 2x15 male dupont (2.54mm)
	Specific	None
	Debug	JTAG (20-pin IDC))
	USB	Mini
I/O	LEDs	Power LED (PWR, +5V) User LED (LED1, `PB11`, sink)
Buttons, switches and jumpers	Reset button (RST, `NRST`, active low) DIP-Switch (`BOOT0`, `BOOT1`) Switch (SW2, +5V USB enable)
Other devices	None
PCB	Colour	Blue
	Size	50mm x 50mm
	Mounting	4x mounting hole (M2)
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. Note: This board has a switch to enable the +5V from the USB connector. Note: This generic board comes in three different forms, one with an `STM32F103RBT6` microcontroller, one with an `STM32F103RCT6` microcontroller and one with an `STM32F103RET6` microcontroller.

Generic Board

Generic Board Top view

Generic Board Bottom view

Pin	Connected to	JTAG	SWD
1	+3.3V rail	VCC	-
2	+3.3V rail	VCC	-
3	PB4	TRST	-
4	Ground plane	GND	-
5	PA15	TDI	-
6	Ground plane	GND	-
7	PA13	TMS	SWDIO
8	Ground plane	GND	-
9	PA14	TCLK	SWCLK
10	Ground plane	GND	-
11	N.C.	RTCK	-
12	Ground plane	GND	-
13	PB3	TDO	SWO
14	Ground plane	GND	-
15	NRST	RESET	-
16	Ground plane	GND	-
17	N.C.	N.C.	-
18	Ground plane	GND	-
19	N.C.	N.C.	-
20	Ground plane	GND	-