STM32F103RCT6 - STM32 Mini V2.0

STM32 Mini V2.0

Overview

Board Name STM32 Mini V2.0
Brand Unknown
Origin AliExpress, China
Microcontroller Part STM32F103RCT6
Package LQFP64
Core Cortex-M3
FLASH 256KB
SRAM 48KB
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 2x15 male dupont (2.54mm)
Specific Serial (1x4 male dupont (2.54mm))
OLED (1x8 female dupont (2.54mm))
NRF2401 (2x4 female dupont (2.54mm)
Debug JTAG (20-pin IDC))
USB Mini
I/O LEDs Power LED (D2, +3.3V)
User LED (D1, PD2, sink)
User LED (D0, PA8, sink)
Buttons, switches and jumpers Reset button (REST, NRST)
2-way jumper (BOOT0)
2-way jumper (BOOT1)
User button (WK_UP, PA0, active high)
User button (KEY1, PC13, active low)
User button (KEY0, PC1, active low)
Other devices Winbond W25Q16JV (16Mb FLASH)
PCB Colour Black
Size 62mm x 57mm
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

STM32 Mini V2.0

STM32 Mini V2.0 Top view

STM32 Mini V2.0 Bottom view

Header 1

Pin Connected to
PA12 PA12
5V +5V rail
PA11 PA11
GND Ground plane
PB9 PB9
GND Ground plane
PB7 PB7
PB8 PB8
PB5 PB5
PB6 PB6
PB3 PB3
PB4 PB4
PC12 PC12
PD2 PD2
PC10 PC10
PC11 PC11
PA14 PA14
PA15 PA15
PA10 PA10
PA13 PA13
PA8 PA8
PA8 PA9
PC8 PC8
PC9 PC9
PC6 PC6
PC7 PC7
PB14 PB14
PB15 PB15
PB12 PB12
PB13 PB13

Header 2

Pin Connected to
GND Ground plane
GND Ground plane
BT0 BOOT0
BT1 BOOT1
3V3 +3.3V rail
3V3 +3.3V rail
PB10 PB10
PB11 PB11
PB0 PB0
PB1 PB1
PC4 PC4
PC5 PC5
PA6 PA6
PA7 PA7
PA4 PA4
PA5 PA5
PA2 PA2
PA3 PA3
PA0 PA0
PA1 PA1
PC2 PC2
PC3 PC3
PC0 PC0
PC1 PC1
GND Ground plane
PC13 PC13
GND Ground plane
PC14 PC14
3V3 +3.3V
PC15 PC15

USB

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

JTAG

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 -

Serial

Pin Connected to
Tx PA9
Rx PA10
GND Ground plane
5V +5V rail

OLED

Pin Connected to
NC N.C.
A0 PC6
RST NRST
CS PB12
SCL PB13
SDI PB15
GND Ground plane
3V +3.3V rail

NRF2401

Pin Connected to
GND Ground plane
VCC +3.3V rail
CE PA4
CSN PC4
SCK PA5
MOSI PA7
MISO PA6
IRQ PC5

IC - Winbond W25Q16JV (16Mb FLASH)

Pin Connected to
/CS PA2, +3.3V rail via 10kΩ resistor
DO PA6
IO2 +3.3V rail
GND Ground plane
DI PA7
CLK PA5
IO3 +3.3V rail
VCC +3.3V rail