BUY UPD71055GB-3B4 https://www.utsource.net/itm/p/931326.html
COCK PULSE GENERATOR/DIRVER
Description: UPD71055GB-3B4 is a 4-bit single-chip microcontroller manufactured by NEC. Features: * 4-bit single-chip microcontroller * 16-bit CPU core * On-chip RAM and ROM * On-chip peripheral functions * On-chip I/O ports * On-chip timer * On-chip A/D converter * On-chip serial interface Applications: UPD71055GB-3B4 is suitable for use in a wide range of applications such as home appliances, office automation, industrial control, and automotive applications. It is also suitable for use in applications such as remote controllers, data loggers, and measurement instruments. (For reference only)