Minimum System Development Board PIC16F877A
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Introduction to board resources:
Reset button.
On board 4M crystal oscillator, socket mode, crystal frequency can be changed at any time
4 independent keyboards are connected to RB0 RB1 RB2 RB3 respectively
8 LED receive RD port, J3 plug in, LED enable, J3 unplug RD port completely released
Standard RS232 communication interface, communication interface between single chip computer and computer.
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