Description: 8255 parallel interface used to control a 16-key keypad (with line scanning method or inversion method can be), in accordance with plans to connect line: 1> with wire will be connected to the PA0-PA7 jack RL0-RL7, control of the keyboard row data . 2>, using wire to PB0, PB1 jack connected to the Y0, Y1, control the keyboard data. K10 pulled out all the short-circuit sets. 3>, Chip Select CS connection 218H-21FH.
- [8255bk] - Parallel port of a simple procedure, use
- [L4] - 8255 parallel interface keyboard experim
- [8255] - 8255 Based on keilC51 driver, proteus si
- [cx] - 8255 scanning keyboard, display program
- [8255] - 8255 compilation of procedures, a variet
- [8255+lcd(me)] - Through 8255 to expand the matrix keyboa
- [keyboarddesign] - Keyboard reference design for embedded s
- [a] - Computer Interface curriculum design, di
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zhk2.asm
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