User Manual
This file is an introduction to Intersil 82C55A CMOS Programmable Peripheral Interface, which is a high-performance CMOS version of the industry standard 8255A, manufactured using a self-aligned silicon gate CMOS process (Scaled SAJI IV), is a general-purpose programmable I / O device that can be used with many different microprocessors.
User Manual
This document introduces the Intersil brand's 82C55A CMOS Programmable Peripheral Interface device. The device features 24 programmable I/O pins and can be used with various microprocessors. It is manufactured using a high-performance CMOS process, providing low power consumption and high-speed operation.
Datasheet
This document introduces the read/write setup time of 82C55A
User Manual
82C55A is a high performance CMOS version of the industry standard 8255A from Intersil company. It is compatible with 80C86, 80C88 and other microprocessors, and has 24 programmable I/O pins that support 3 working modes. It is fully compatible with TTL level.