Open103Z Package A, STM32F1 Development Board

SKU: 3997
Part Number: Open103Z Package A
Brand: Waveshare




STM32 development board designed for STM32F103Z series, features the STM32F103ZET6 MCU, and integrates various standard interfaces, pretty easy for peripheral expansions.
STM32F103ZET6 development board


Open103Z is a STM32 development board that features a STM32F103ZET6 device as the microcontroller. There are further expansions with various optional accessory boards for specific application. The modular and open design makes it the ideal for starting application development with STM32F family.

What's On Board

STM32F103ZET6 development board on board resource
  1. STM32F103ZET6:the high performance STM32 MCU in LQFP144 package which features
    • Core: ARM Cortex-M3 32-bit RISC;
    • Operating Frequency: 72MHz, 1.25 DMIPS/MHz;
    • I/Os: 112;
    • Operating Voltage: 2-3.6V;
    • Memories: 512K Flash, 64K RAM (the highest specification in STM32F103Z series);
    • Communication Interfaces: 3xSPI, 5xUSART, 2xI2S, 2xI2C, 1xFSMC, 1xLCD, 1xSDIO, 1xUSB, 1xCAN;
    • AD & DA converters: 3 x AD(12bit, 1μs, shares 21 channels); 2 x DA(12bit);
    • Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP;
  2. 74LVC139: Used for FSMC expansion, makes it possible to connect multi peripherals through FSMC at the same time, such as connecting a LCD and a NAND FLASH;
  3. AMS1117-3.3: 3.3V voltage regulator;
  4. Power supply switch: 5V DC or USB;
  5. Power indicator;
  6. LEDs: Convenient for indicating I/O status or program debugging running state;
  7. Reset button;
  8. User key;
  9. Joystick: Convenient for I/O input (five positions);
  10. 32.768K crystal oscillator: used for internal RTC;
  11. 8M crystal oscillator: enables the MCU run at 72M frequency by frequency multiplication;
  12. SDIO Interface: connects to the Micro SD Board easily, It is much faster to read/write the Micro SD card via SDIO than via SPI;
  13. 8 I/O Interface: easily connects to keypad, motor, etc;
  14. CAN Interface: communicates with accessory board which features the CAN device conveniently;
  15. SPI Interface: easily connects to SPI peripherals such as FLASH (AT45DBxx), SD card, MP3, etc;
  16. I2C Interface: easily connects to I2C peripherals such as I/O expander(PCF8574), EEPROM (AT24Cxx), etc;
  17. NAND FLASH Interface: easily connects to the NAND FLASH peripherals;
  18. LCD Interface: easily connects to the touch screen LCD;
  19. ONE-WIRE Interface: easily connects to ONE-WIRE devices (TO-92 package), such as temperature sensor (DS18B20), electronic registration number (DS2401), etc.
  20. PS/2 Interface: easily connects to PS/2 keyboard or mouse;
  21. USART1 Interface: easily connects to RS232, RS485, USB TO 232;
  22. USART2 Interface: easily connects to RS232, RS485, USB TO 232;
  23. FSMC Interface: easily connects to FSMC interface, such as NorFlash (S29GL128P), SRAM (IS62WV51216BLL);
  24. USB Port: USB communication between board and PC;
  25. 5V DC jack;
  26. 5V/3.3 V power input/output;
  27. MCU pins connector: all the MCU pins are accessible on expansion connectors for further expansion;
  28. JTAG/SWD interface: for debugging/programming;
  29. Boot Mode Selection: for configuring the BOOT0 and BOOT1 pins;
  30. USB Enable Jumper
    • Short the jumper to enable the PC auto detection while USB connecting;
    • Open the jumper to disable;
  31. PS/2 Interface Jumper
    • Short the jumper to connect the PS/2 device to default I/Os;
    • Open the jumper to connect the PS/2 device to custom I/Os via DuPont wires;
  32. LEDs Jumper
    • Short the jumper to connect the LEDs to default I/Os;
    • Open the jumper to connect the LEDs to custom I/Os via DuPont wires;
  33. VBAT Selection Jumper
    • Short the jumper to use system power supply;
    • Open the jumper to connect the VBAT to external power, such as battery;


STM32 Development Board
Open103Z Development Board
STM32 Development Board
Connecting to touch screen LCD
STM32 Development Board
Connecting to ST-LINK
STM32 Development Board
Connecting to various peripherals

Open103Z μC/OS-II (Ⅰ)
Open103Z μC/OS-II (Ⅱ)
Open103Z μC/OS-II (Ⅲ)
Open103Z μC/OS-II (Ⅳ)
RS232 Board
Connecting to RS232 Board via USART
PL2303 USB UART Board mini
Connecting to USB UART Board via USART
Connecting to CAN Board via CAN
ENC28J60 Ethernet Board
Connecting to Ethernet Board via SPI
SL811 USB Board
Connecting to SL811 USB Board via FSMC
VS1003B MP3 Board
Connecting to VS1003B MP3 Board via SPI
NRF24L01 RF Board
Connecting to NRF24L01 RF Board via SPI
8 Push Buttons
8 Push Buttons on the 8Bit I/O
4x4 Keypad
4x4 Keypad on the 8Bit I/O
Analog Test Board
Test Board on the AD/DA port
Connecting to EEPROM Board via I2C
I2C cascading x3
Multi I2C peripheral Module connected to the I2C bus
Connecting to DataFlash Board via SPI
Connecting to Micro SD Board via SDIO
Connecting to NandFlash Board via FSMC
Connecting to NorFlash Board via FSMC
Connecting to SRAM Board via FSMC
Connecting to any accessory board
Connecting to any accessory board you need

The Open103Z supports programming via STM32 USART bootloader, a USB TO UART accessory board is also provided in the package.
The Open103Z does NOT integrate any debugging function, a debugger is required.

JTAG/SWD Interfaces

The figure 1, and 2 show the header pinouts of JTAG/SWD interface

Figure 1. JTAG Header Pinout
JTAG Header Pinout
Figure 2. SWD Header Pinout
SWD Header Pinout

Development Resources

  • Related softwares (KEIL etc.)
  • Demo Code (examples in C, μC/OS-II)
  • Schematic (PDF)
  • STM32 Development documents (Datasheet etc.)


Weight: 0.393 kg

Quick Overview

The "Standard Package" and "Accessory Boards Package" below are included.

Standard Package

  1. Open103Z development board x 1
  2. PL2303 USB UART Board (mini) x 1
  3. USB Cable (mini) x 1
  4. 4-pin wire x 2
  5. 2-pin wire x 2
  6. USB power cable x 1
  7. Software CD x 1


Accessory Boards Package

  1. 3.2inch 320x240 Touch LCD x 1
  2. Analog Test Board (for AD/DA testing) x 1
  3. SN65HVD230 CAN Board (CAN) x 1
  4. ENC28J60 Ethernet Board (SPI + RJ45) x 1
  5. AT24CXX EEPROM Board (I2C) x 1
  6. Micro SD Storage Board (SDIO/SPI) x 1
  7. NandFlash Board (A) (FSMC) x 1
  8. NorFlash Board (A) (FSMC) x 1
  9. IS62WV12816BLL SRAM Board (FSMC) x 1
  10. Ethernet Cable x 1