In this article, we look at another development board option that we purchased for 8051 development. This time it is a EX-F34x-Q48 from waveshare and it is designed to support the C8051F340
This is what this board looks like
EX-F34x-Q48-intro
Features
Powered from the mini USB port or 5V DC jack, configured via an onboard switch
JTAG/C2 interface for programming/debugging
mini USB interface
Ther is BUS-A & BUS-B 10 pin interfaces, for connecting to the expansion board DVK501 which is also sold by waveshare
Reset button used to reset the system
Power indicator LED
There is a jumper for selecting on board 12M crystal or custom crystal mounted via the socket
All the C8051F340 I/O pins are accessible on the expansion connectors
The board comes with a CD with software, drivers, and examples. There is a pdf schematic and there are C examples for Silabs IDE and Keil
Debugger
Again this board worked with the following low-cost debugger
This supports WIN XP, WIN7 and I have also tested this on Windows 10.
Parts
The board comes in around $20
| Name | Link |
| EX-F34x-Q48 | C8051F340 8051 C8051F34x series Evaluation Development Board Kit |
| C8051F MCU emulator | C8051F MCU emulator downloader U-EC6 EC6 Enterprise Edition |