STM32F103VET6 - CZ miniSTM32F103VE-EK

CZ miniSTM32F103VE-EK

Overview

Board Name CZ miniSTM32F103VE-EK
Brand Unknown
Origin AliExpress, China
Microcontroller Part STM32F103VET6
Package LQFP100
Core Cortex-M3
FLASH 512KB
SRAM 64KB
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 Yes
Connectivity Headers 2x 2x25 male dupont (2.54mm)
Specific NRF24L01 (2x4 female dupont (2.54mm))
TFT (2x16 female dupont (2.54mm))
ESP-1 (2x4 female dupont (2.54mm))
SD-card connector
Debug JTAG (20-pin IDC)
USB Mini
Mini (Serial)
I/O LEDs Power LED (Pwr, +3.3V)
User LED (DS1, PE5, sink)
User LED (DS2, PE6, sink)
Buttons, switches and jumpers Reset button (K1, NRST, active low)
2-way jumper (BOOT0)
2-way jumper (BOOT1)
User button (K2, PE3, active low)
User button (K3, PC5, active low)
1-way jumper (MCU_RXD, Enable Rx to CH340G)
1-way jumper (MCU_TXD, Enable Tx to CH340G)
Switch (Pwr, +5V USB)
Other devices HK24C04 (4k EEPROM)
Winbond W25Q16DVSIG (16Mb FLASH)
CH340G USB to Serial
PCB Colour Blue
Size 105mm x 76mm
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.

Resources

Pictures

CZ miniSTM32F103VE-EK

CZ miniSTM32F103VE-EK Top view

CZ miniSTM32F103VE-EK Bottom view

Header 1

Pin Connected to
GND Ground plane
3V3 +3.3V rail
PC14 PC14
PC15 PC15
PE6 PE6
PC14 PC14
PE4 PE4
PE5 PE5
PE2 PE2
PE3 PE3
PE0 PE0
PE1 PE1
PB8 PB8
PB9 PB9
PB6 PB6
PB7 PB7
PB4 PB4
PB5 PB5
PD7 PD7
PB3 PB3
PD5 PD5
PD6 PD6
PD3 PD3
PD4 PD4
PD1 PD1
PD2 PD2
PC12 PC12
PD0 PD0
PC10 PC10
PC11 PC11
PA14 PA14
PA15 PA15
PA12 PA12
PA13 PA13
PA10 PA10
PA11 PA11
PA8 PA8
PA9 PA9
PC8 PC8
PC9 PC9
PC6 PC6
PC7 PC7
GND Ground plane
5V +5V rail
3V3 +3.3V rail
3V3 +3.3V rail
BOOT0 BOOT0
BOOT1 BOOT1
GND Ground plane
GND Ground plane

Header 2

Pin Connected to
GND Ground plane
5V +5V rail
PD14 PD14
PD15 PD15
PD12 PD12
PD13 PD13
PD10 PD10
PD11 PD11
PD8 PD8
PD9 PD9
PB14 PB14
PB15 PB15
PB12 PB12
PB13 PB13
PB10 PB10
PB11 PB11
PE14 PE14
PE15 PE15
PE12 PE12
PE13 PE13
PE10 PE10
PE11 PE11
PE8 PE8
PE9 PE9
PB2 PB2
PE7 PE7
PB0 PB0
PB1 PB1
PC4 PC4
PC5 PC5
PA6 PA6
PA7 PA7
PA4 PA4
PA5 PA5
PA2 PA2
PA3 PA3
PA0 PA0
PA1 PA1
3V3 +3.3V rail
VREF VREF+
PC2 PC2
PC3 PC3
PC0 PC0
PC1 PC1
GND Ground plane
3V3 +3.3V rail

USB

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

USB (Serial)

Pin Connected to
VCC +5V rail
D- Pin 6
D+ Pin 5
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 +5V rail N.C. -
20 Ground plane GND -

SD-card connector

Pin Connected to
RSV N.C.
CS PC11
DI PD2
VCC +3.3V rail
SCLK PC12
GND Ground plane
DO PC8
RSV N.C.
CD N.C.
BODY Ground plane

TFT

Pin Connected to
GND Ground plane
3V3 +3.3V rail
PC2 PC2
5V +5V rail
PD13 PD13
PB6 PB6
PA6 PA6
PA7 PA7
PB7 PB7
PA5 PA5
PD7 PD7
PD11 PD11
PD5 PD5
PD4 PD4
PD14 PD14
PD15 PD15
PD0 PD0
PD1 PD1
PE7 PE7
PE8 PE8
PE9 PE9
PE10 PE10
PE11 PE11
PE12 PE12
PE13 PE13
PE14 PE14
PE15 PE15
PD8 PD8
PD9 PD9
PD10 PD10
PE1 PE1
GND Ground plane

NRF2401

Pin Connected to
GND Ground plane
VCC +3.3V rail
CE PE4
CSN PE2
SCK PB3
MOSI PB5
MISO PB4
IRQ PC13

ESP-1

Pin Connected to
UTXD PB11
GND Ground plane
CH_PD PA0
GPIO2 PC0
RST PC3
GPIO0 PC1
VCC +3.3V rail
URXD PB10

HS0038

Pin Connected to
D PA1
- Ground plane
+ +3.3V rail

DS18B20

Pin Connected to
+ +3.3V rail
D PD12
- Ground plane

IC - HK24C04 (4k EEPROM)

Pin Connected to
A0 Ground plane
A1 Ground plane
A2 Ground plane
GND Ground plane
SDA PB7
SCL PB6
WP Ground plane
VCC +3.3V rail

IC - Winbond W25Q16DVSIG (16Mb FLASH)

Pin Connected to
/CS +3.3V rail via 4.7kΩ resistor
DO PA6
IO2 +3.3V rail
GND Ground plane
DI PA7
CLK PA5
IO3 +3.3V rail
VCC +3.3V rail