MM80C97N is a 16-pin DIP microcontroller manufactured by National Semiconductor. It is a member of the 80C97 family of microcontrollers. Description: The MM80C97N is a high-performance 8-bit microcontroller with an on-chip ROM and RAM. It has a 16-bit address bus and a 16-bit data bus. It also has an on-chip oscillator and an on-chip timer. Features: 8-bit microcontroller with 16-bit address and data buses On-chip ROM and RAM On-chip oscillator and timer 16-bit program counter 8-bit stack pointer 16-bit timer/counter On-chip interrupt controller On-chip I/O ports Applications: The MM80C97N is suitable for use in a variety of applications, including embedded systems, industrial control, and consumer electronics. It can be used for data acquisition, motor control, and process control.(For reference only)
https://www.utsource.net/itm/p/641820.html