MC146823 Overview
Key Features
- 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 Control Logic for Input and Output Peripheral Operation
- Interrupt Output Pin
- Reset Input to Clear Interrupts and Initialize Internal Registers
- 3.0 Volt to 5.5 Volt Operating VDD