Description

The CDP1877 and CDP1877C are programmable 8-level interrupt controllers designed for use in CDP1800 series microprocessor systems. They provide added versatility by extending the number of permissible interrupts from 1 to N in increments of 8.

Features

• Compatible with CDP1800 Series

• Programmable Long Branch Vector Address and Vector Interval

• 8 Levels of Interrupt Per Chip

• Easily Expandable

• Latched Interrupt Requests

• Hard Wired Interrupt Priorities

• Memory Mapped

• Multiple Chip Select Inputs to Minimize Address Space Requirements