MC146823 - CMOS Parallel Interface
® 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
MC146823 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