Core107V

WSD - 0005

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24,900 Ks

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STM32 small board with the STM32F107VCT6 MCU, full IO expander, JTAG/SWD debug interface

STM32F107VCT6 development board

Overview

Core107V is a small STM32 development board that features an STM32F107VCT6 device as the microcontroller, supports further expansion. It is ideal for starting application development with STM32F family.

As a minimal ready-to-run system, the Core107V integrates USB communication interface, JTAG/SWD programming/debugging interface, clock circuit, USB power management, boot mode selection, and so on.

Furthermore, pin headers on the backside allow the Core107V to be plugged-in your application board and act as the MCU core circuit in your system. All the I/O ports are accessible on the pin headers, and the header pitch is designed as 2.54mm.


What's On Board

STM32F107VCT6 development board on board resource

  1. STM32F107VCT6:the high performance STM32 MCU which features:
    • Core: Cortex-M3 32-bit RISC
    • Operating Frequency: 72MHz, 1.25 DMIPS/MHz
    • Operating Voltage: 2-3.6V
    • Package: LQFP100
    • I/Os: 80
    • Memories: 256kB Flash, 64kB RAM
    • MCU communication Interfaces:
      • 3 x SPI, 3 x USART, 2 x UART, 2 x I2S, 2 x I2C, 1 x Ethernet MAC, 1 x USB OTG, 2 x CAN
    • AD & DA converters: 2 x AD (12-bit, 1μs, shares 16 channels); 2 x DA (12-bit)
    • Debugging/Programming: supports JTAG/SWD (serial wire debug) interfaces, supports IAP
  2. AMS1117-3.3 (on bottom side): 3.3V voltage regulator
  3. MIC2075 (on bottom side): onboard USB power management device
  4. Power supply switch, powered from 5Vin or USB connection
  5. Boot mode switch, for configuring BOOT0 pin
  6. Power indicator
  7. Reset button
  8. 25M crystal oscillator
  9. 32.768K crystal (on bottom side), for internal RTC with calibration
  10. JTAG/SWD interface: for debugging/programming
  11. USB connector, used for establishing USB communication between PC and the STM32 development board
  12. IO expander (including VCC/GND), all the MCU pins are accessible on expansion connectors for further expansion
  13. 5Vin pinheader, 5V power supply is required when using USB HOST/OTG
  14. USB jumper
    • short the jumper when using USB
    • open the jumper to disconnect from I/O ports
  15. VBAT selection jumper
    • short the jumper to use system power supply
    • open the jumper to connect the VBAT to external power, such as battery
  16. VREF selection jumper
    • short the jumper to connect VREF+/VREF- to VCC/GND
    • open the jumper to connect VREF+/VREF- to other custom pin via jumper wire

Photos

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Note:
Core107V provides JTAG/SWD debugging interface, yet does NOT integrate any debugging function, a debugger is required.
Mother board and programmer/debugger in the photos are NOT included in the price.


JTAG/SWD Interfaces

The figure 1, figure 2 shows the header pinout of JTAG, SWD interface respectively

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

Development Resources

  • Related software (KEIL etc.)
  • Examples in C
  • Schematic (PDF)
  • Development documentations

Wiki: www.waveshare.com/wiki/Core107V


Dimensions

STM32 MCU core board dimensions

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Core107V

Core107V