This part is a kind of semiconductor called D75216ACW.

Function of this product has UPD75216ACW.

Manufacturers : NEC

Image and pinout :

Some of the text within the PDF file :

www.DataSheet.co.kr DATA SHEET MOS INTEGRATED CIRCUIT µPD75216A 4-BIT SINGLE-CHIP MICROCOMPUTER DESCRIPTION The µPD75216A is a microcomputer with a CPU capable of 1-, 4-, and 8-bit data processing, ROM, RAM, I/O ports, a fluorescent display tube controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM, a serial interface and a vectored interrupt function integrated on a single-chip. The µPD75216A is a product with the ROM capacity and the number of display segments extended for the µ PD75208. It uses the VCR, ECR and CD fluorescent display tubes as display devices and is most suitable for applications requiring the timer/watch function and high-speed interrupt servicing. It can help to provide the unit with many functions and to decrease performan [ ... ]

D75216ACW PDF Datasheet Download