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