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Draw and explain interfacing of 8086 with 8255 I/O mapped I/O mode.
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written 5.6 years ago by
meghalikalyankar
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- 8255 is a programmable peripheral interface. It is used to interface microprocessor with I/O devices via three ports: PA, PB and PC.
- All ports are 8-bit and bidirectional. 8255 transfers data with the microprocessor through its 8-bit data bus. The two address lines A1 and A0 are used to make …
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