Description
SYMBOL VCC GND D0-D7 RESET CS RD WR A0-A1 www.DataSheet4U.com I/O I I I I I TYPE DESCRIPTION VCC: The +5V power supply pin.
Features
- 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 www. DataSheet4U. com 12 and used in three major modes of operation. The high performance and industry standard configuration of the 82C55A make it compatible with the 80C86, 80C88 and other microprocessors. Static CMOS circuit design insures low op.
MQ82C55A Datasheet
