BUY CP82C84AZ https://www.utsource.net/itm/p/6426639.html
Clock Generator Driver
The CP82C84AZ is an 18-pin DIP integrated circuit manufactured by Intersil. It is a programmable peripheral interface (PPI) designed for use in 8-bit microprocessor systems. It is a general-purpose device that provides bidirectional data transfer between the microprocessor and peripheral devices. Features: * 8-bit bidirectional data transfer * Programmable port A and port B * Programmable port C and port D * Programmable interrupt control * Programmable data direction * Programmable interrupt mask * Programmable data transfer rate Applications: * Computer systems * Industrial automation * Robotics * Instrumentation * Automotive systems * Home automation (For reference only)