24-bit I/O expander for I2C?bus with interrupt

PROGRAMMABLE PERIPHEAL INTERFACE

PROGRAMMABLE PERIPHERAL INTERFACE The Intel 8255A is a general purpose programmable I/O device designed for use with Intel microprocessors.

Programmable Peripheral Interface iAPX86 Family

GENERAL DESCRIPTION The 8255A is a general-purpose, programmable I/O device designed for use with IAPX Family microprocessors. It has 24 I/O pins which may be individually programmed two groups of twelve, and used in three major modes of operation.

Programmable Peripheral Interface iAPX86 Family

GENERAL DESCRIPTION The 8255A is a general-purpose, programmable I/O device designed for use with IAPX Family microprocessors. It has 24 I/O pins which may be individually programmed two groups of twelve, and used in three major modes of operation.

Programmable Peripheral Interface iAPX86 Family

GENERAL DESCRIPTION The 8255A is a general-purpose, programmable I/O device designed for use with IAPX Family microprocessors. It has 24 I/O pins which may be individually programmed two groups of twelve, and used in three major modes of operation.

93 Ohm

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