UPD75218 Datasheet - NEC

UPD75218 4-BIT MICROCOMPUTER

DATA SHEET MOS INTEGRATED CIRCUIT µPD75218 4-BIT SINGLE-CHIP MICROCOMPUTER The µPD75218 is a microcomputer with a CPU capable of 1-, 4-, and 8-bit-wise data processing, ROM, RAM, I/O ports, an FIP controller/driver, a watch timer, a timer/pulse generator capable of outputting 14-bit PWM pulses, a serial interface and a vectored interrupt function integrated on a single chip. It is most suitable for applications which use fluorescent display tubes as display devices and require the timer/ watc.

UPD75218 Features

* On-chip large-capacity ROM and RAM

* Program memory (ROM) : 32K × 8 bits

* Data memory (RAM) : 1K × 4 bits

* Architecture equal to that of an 8-bit microcomputer

* High-speed operation: Minimum instruction execution time : 0.67 µs (when the microcomputer ope

UPD75218_NEC.pdf