Published:2011/8/2 1:18:00 Author:Ecco | Keyword: Experiment, Board | From:SeekIC
It includes the ISP, JTAG, 3310 LCD, and discrete parts RS232 serial port. When PC2-5 is not used as JTAG but IO port, it is designed to switch the situation to prevent the interference of JTAG, the design of Others, such as keyboards, LED, etc., they can be welded in the blank of experiment board.
PCB diagram (it uses Protel dxp 2004 auto wiring. Thermal transfer legal board. The next picture shows the the circuit board after corrosion by ferric chloride and with thermal transfer layer and not beingsanding off ):
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