* as the X82C55 with the exception of no bus hold devices on the port pins. It is a general purpose programmable I/O device which may be used with many different microprocessors. There are 24 I/O pins which may be individually programmed in two groups of 12 and used in three major modes of operation.
MQ82C55A Datasheet (670.48 KB)
MQ82C55A
670.48 KB
Cmos programmable peripheral interface.
DATASHEET
MS82C55A, MQ82C55A, MP82C55A
CMOS Programmable Peripheral Interface
The Intersil 82C55A is a high performance CMOS version of the industry.
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