BUY UPD70108C-8 https://www.utsource.net/itm/p/11651775.html

Description: 8-bit single-chip microcontroller Features: 8-bit CPU core On-chip ROM (8K bytes) On-chip RAM (256 bytes) On-chip I/O ports (20 pins) On-chip timer (2 channels) On-chip A/D converter (8 channels) On-chip serial I/O (2 channels) On-chip PWM (2 channels) On-chip watchdog timer On-chip oscillator On-chip reset circuit On-chip power-on reset circuit On-chip power-down reset circuit On-chip power-saving mode On-chip power-saving timer Application: Home appliances Office automation Industrial control Automotive control Audio equipment Telecom equipment Medical equipment Measurement equipment (For reference only)