STM32 Mini V2.0

STM32F103RCT6


Board

NameSTM32 Mini V2.0
PartSTM32_Mini
BrandUnknown
OriginChina

Microcontroller

PartSTM32F103RCT6
ManufacturerST-Microelectronics
CoreArm Cortex-M3
Max. Clock Speed72MHz
PackageUFQFPN 64 pins

Internal memories

FLASH256KiB
SRAM48KiB

Oscillators

HSI8MHz
LSI40kHz
HSE8MHz
LSE32.768kHz

Power

Sources
Any +3.3V pin (+3.3V)
Any +5V pin (+5V)
USB connector (+5V)
VDDA pinNo
VSSA pinNo
VREF- pinNo
VREF+ pinNo
Backup batteryNone

Regulator

ManufacturerAdvanced Monolithic Systems Inc.
PartAMS1117 (AMS1117)
PackageSOT223 3 pins
Input+4.6V to +15V
Output+3.3V @ 1A
DatasheetAMS1117.pdf

PCB

ColorBlack
Size (w x l)57mm x 62mm
Mounting4x 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: Perspective view
STM32 Mini V2.0: Perspective view
STM32 Mini V2.0: Top view
STM32 Mini V2.0: Top view
STM32 Mini V2.0: Bottom view
STM32 Mini V2.0: Bottom view

Inputs & outputs


Reset button

Name REST
Reference -
Type Button
Connected to NRST
Mode Active low

BOOT0 jumper

Name -
Reference -
Type 2-way jumper
Connected to BOOT0
Mode N.A.
  • Note: This jumper is part of Header 2.

BOOT1 jumper

Name -
Reference -
Type 2-way jumper
Connected to PB2
Mode N.A.
  • Note: This jumper is part of Header 2.

User button 1

Name WK_UP
Reference -
Type Button
Connected to PA0
Mode Active low

User button 2

Name KEY1
Reference -
Type Button
Connected to PC13
Mode Active low

User Button 3

Name KEY0
Reference -
Type Button
Connected to PC1
Mode Active low

Power LED

Name -
Reference D2
Type LED
Connected to +3.3V rail
Mode N.A.

User LED 1

Name -
Reference D0
Type LED
Connected to PA8
Mode Sink

User LED 2

Name -
Reference D1
Type LED
Connected to PD2
Mode Sink

Connectors & headers


Header 1 properties

Name Unknown
Reference J7
Type Pin header (2.54mm, 15x2, male)

Header 1 pins

# Name Function Connected to
1 PB12 - PB12
2 PB13 - PB13
3 PB14 - PB14
4 PB15 - PB15
5 PC6 - PC6
6 PC7 - PC7
7 PC8 - PC8
8 PC8 - PC9
9 PA8 - PA8
10 PA8 - PA9
11 PA10 - PA10
12 PA13 - PA13
13 PA14 - PA14
14 PA15 - PA15
15 PC10 - PC10
16 PC11 - PC11
17 PC12 - PC12
18 PD2 - PD2
19 PB3 - PB3
20 PB4 - PB4
21 PB5 - PB5
22 PB6 - PB6
23 PB7 - PB7
24 PB8 - PB8
25 PB9 - PB9
26 GND - Ground plane
27 PA11 - PA11
28 GND - Ground plane
29 PA12 - PA12
30 5V - +5V rail

Header 1 properties

Name Unknown
Reference J6
Type Pin header (2.54mm, 15x2, male)

Header 1 pins

# Name Function Connected to
1 3V3 - +3.3V rail
2 PC15 - PC15
3 GND - Ground plane
4 PC14 - PC14
5 GND - Ground plane
6 PC13 - PC13
7 PC0 - PC0
8 PC1 - PC1
9 PC2 - PC2
10 PC3 - PC3
11 PA0 - PA0
12 PA1 - PA1
13 PA2 - PA2
14 PA3 - PA3
15 PA4 - PA4
16 PA5 - PA5
17 PA6 - PA6
18 PA7 - PA7
19 PC4 - PC4
20 PC5 - PC5
21 PB0 - PB0
22 PB1 - PB1
23 PB10 - PB10
24 PB11 - PB11
25 3V3 - +3.3V rail
26 3V3 - +3.3V rail
27 BT0 - BOOT0
28 BT1 - PB2
29 GND - Ground plane
30 GND - Ground plane

Main USB connector properties

Name Unknown
Reference J1
Type USB Mini

Main USB connector pins

# Name Function Connected to
1 - VCC +5V rail
2 - D- PA11
3 - D+ PA12
4 - ID N.C.
5 - GND Ground plane

JTAG header properties

Name Unknown
Reference J5
Type IDC (2.54mm, 10x2, male)

JTAG header pins

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

OLED or TFT LCD header properties

Name OLED--or--TFT
Reference None
Type Pin header (2.54mm, 8x1, female)

OLED or TFT LCD header pins

# Name Function Connected to
1 3V - +3.3V rail
2 GND - Ground plane
3 SDI - PB15
4 SCL - PB13
5 CS - PB12
6 RST - NRST
7 A0 - PC6
8 NC - N.C.

nRF24L01 module header properties

Name NRF2401
Reference J4
Type Pin header (2.54mm, 4x2, female)

nRF24L01 module header pins

# Name Function Connected to
1 GND GND Ground plane
2 3V3 VCC +3.3V rail
3 PE4 CE PA4
4 PE2 CSN PC4
5 PB3 SCK PA5
6 PB5 MOSI PA7
7 PB4 MISO PA6
8 PC13 IRQ PC5

Serial header properties

Name UART1
Reference J3
Type Pin header (2.54mm, 4x1, male)

Serial header pins

# Name Function Connected to
1 5V - +5V rail
2 GND - Ground plane
3 RX1 - PA10
4 TX1 - PA9

Devices


W25Q16JV properties

Name FLASH
Reference U3
Manufacturer Winbond Electronics Corporation
Part W25Q16JV
Marking W25Q16JVSIQ
Datasheet W25Q16JV.pdf
Package SOIC 8 pins
Description 2MiB Dual/Quad SPI FLASH

W25Q16JV pins

# Name Function Connected to
1 - /CS PA2 pulled up +3.3V rail via 10kΩ resistor
2 - DO PA6
3 - /WP +3.3V rail
4 - GND Ground plane
5 - DI PA7
6 - CLK PA5
7 - /HOLD +3.3V rail
8 - VCC +3.3V rail