IN82C55AN Datasheet PDF

Integral IN82C55AN

IN82C55AN is a high-performance, CHMOS version of the industry standard IN82C55AN general purpose programmable I/O device which is designed for use with all Intel and most other microprocessors. It provides 24 I/O pins which may be individually programmed in 2 groups of 12 and used in 3 major modes of operation. PORT B, PINS 0-7: An 8-bit data output latch/buffer and an 8bit data input buffer SYSTEM POWER: +5V Power Supply DATA BUS: Bi-directional, tri-state data bus lines, connected to system data bus RESET: A high on this input clears the control register and all ports are set to the input mode WRITE...