BUY M5M82C54P https://www.utsource.net/itm/p/128789.html
The M5m82c59ap,-2 is Programmable LSI Interupt Control
Description: 8-Bit Single-Chip Microcontroller Features: 8-bit CPU 8K bytes of ROM 256 bytes of RAM 32 I/O lines 8-bit timer/counter 8-bit A/D converter Serial I/O On-chip oscillator Low power consumption Applications: Automotive control systems Home appliances Office automation Industrial control systems Medical instruments (For reference only)