BUY UPD78F0123 https://www.utsource.net/itm/p/5370493.html

Description: The UPD78F0123 is a single-chip 8-bit microcontroller from NEC. Features: 8-bit CISC architecture Up to 4K bytes of ROM Up to 256 bytes of RAM Up to 16 I/O ports Up to 8 interrupt sources On-chip oscillator On-chip power-on reset On-chip watchdog timer On-chip A/D converter On-chip serial interface Applications: The UPD78F0123 is suitable for use in a variety of applications, including industrial control, home appliances, office automation, and automotive systems. (For reference only)