MC146823 Datasheet CMOS Parallel Interface

Manufacturer: Motorola Semiconductor

MC146823 cmos parallel interface by Motorola Semiconductor - Datasheet Preview

Datasheet Details

Part number	MC146823
Manufacturer	Motorola Semiconductor
File Size	614.13 KB
Description	CMOS Parallel Interface
Datasheet	MC146823 Datasheet

Overview

® MOTOROLA MC146823 Advance Information CMOS PARALLEL INTERFACE CMOS IHIGH-DENSITY HIGH-PERFORMANCE SILICON-GATE) PARALLEL INTERFACE The MC146823 CMOS parallel interface (CPI) provides a universal means of interfacing external signals with the MC146805E2 CMOS microprocessor and other multiplexed bus microprocessors.

The unique MOTEL circuit on-chip allows direct interfacing to most industry CMOS microprocessors, as well as many NMOS MPUs.

I The MC146823 CPI includes three bidirectional 8-bit ports or 241/0 pins.

Key Features

include:.
24 Individually Programmed 1/0 Pins.
MOTEL Circuit for Bus Compatibility with Many Microprocessors.
Multiplexed Bus Compatibility with: MC146805E2, MC6801, MC6803, and Competitive Microprocessors.
Data Direction Registers for Ports A, B, and C.
Four Port CliO Pins May Be Used as Control Lines for: Four Interrupt Inputs Input Byte Latch Output Pulse Handshake Activity.
15 Registers Addressed as Memory Locations.
Handshake C.

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