STM32F103C8T6 - Black Board

Black Board

Overview

Board Name Black Board
Brand Unknown
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 Advanced Monolithic Systems Inc.
Regulator part number AMS1117
Regulator package SOT223
Output +3.3V @ 1000mA
Battery holder No
Connectivity Headers 2x 2x10 male dupont (2.54mm)
Specific Serial (1x4 male dupont (2.54mm))
ESP8266 (2x4 female dupont (2.54mm))
NRF24L01 (2x4 female dupont (2.54mm))
Debug SWD (1x4 male dupont (2.54mm))
USB Micro
I/O LEDs Power LED (+3.3V)
User LED (PA1, sink)
Buttons, switches and jumpers Reset button (RESET, NRST, active low)
2-way jumper (BOOT0, BOOT0)
2-way jumper (BOOT1, BOOT1)
User button (PA8, PA8)
Other devices None
PCB Colour Black
Size 52mm x 41mm
Mounting 4x mounting hole (M3)
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.

Pictures

Black Board

Black Board Top view

Black Board Bottom view

Header 1

Pin Connected to
5V +5V rail
GND Ground plane
C13 PC13
3.3 +3.3V rail
B1 PB1
B0 PB0
B2 PB2
B3 PB3
B4 PB4
B5 PB5
B6 PB6
B7 PB7
B8 PB8
B9 PB9
B10 PB10
B11 PB11
B12 PB12
B13 PB13
B14 PB14
B15 PB15

Header 2

Pin Connected to
C14 PC14
C15 PC15
A14 PA14
A15 PA15
A12 PA12
A13 PA13
A10 PA10
A11 PA11
A8 PA8
A9 PA9
A6 PA6
A7 PA7
A4 PA4
A5 PA5
A2 PA2
A3 PA3
A0 PA0
A1 PA1
GND Ground plane
3.3 +3.3V rail

USB

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

SWD

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

Serial UART1

Pin Connected to
TXD PA9
RXD PA10
5V +5V rail
GND Ground plane

NRF2401

Pin Connected to
GND Ground plane
VCC +3.3V rail
CE PB0
CSN PB2
SCK PA5
MOSI PA7
MISO PA6
IRQ PA15

ESP8266

Pin Connected to
UTXD PA3
GND Ground plane
CH_PD +3.3V rail
GPIO2 N.C.
RST +3.3V rail
GPIO0 N.C.
VCC +3.3V rail
URXD PA2