BUY UPD7004C https://www.utsource.net/itm/p/302153.html
MOS INTEGRATED CIRCUIT
Description: UPD7004C is an 8-bit microcontroller chip manufactured by NEC. Features: The UPD7004C microcontroller has an 8-bit CPU core with 16K words of ROM, an interrupt controller (NMI), a timer/counter, a serial port, a bus controller, an I/O port controller, and a power control circuit. It also includes a clock generator and an address bus. Applications: UPD7004C is used for control applications such as motor control, thermostat control, home appliances control, etc. It is also used in data communication applications such as modems, mobile phones, telecommunication equipment, etc. (For reference only)