UPD7564A

The UPD7564A is 4-BIT SINGLE-CHIP MICROCOMPUTER designed by NEC.

Product Overview

NEC

UPD7564A 4-BIT SINGLE-CHIP MICROCOMPUTER by NEC - Datasheet Preview — Datasheet preview – UPD7564A

Datasheet Details

Part number	UPD7564A, UPD7564
Manufacturer	NEC
File Size	437.75 KB
Description	4-BIT SINGLE-CHIP MICROCOMPUTER
Datasheet	UPD7564_NEC.pdf
Note	This datasheet PDF includes multiple part numbers: UPD7564A, UPD7564. Please refer to the document for exact specifications by model.
Additional preview pages of the UPD7564A datasheet.

Product details

Description

The µPD7564A is a 4-bit single-chip microcomputer with a small number of ports in a small package, which is of low-order models, µPD7554 and 7564 sub-series in the µPD7500 series.With an on-chip serial interface, it performs efficient dispersion processing of a system as a sub-CPU for the 75X series or 78k series.The µPD7564A has outputs to directly drive a triac and LEDs and allows selection among many types of input/ output circuits using their respective mask options, sharply reducing the n

Features

47 types of instructions (Subset of µPD7500H SET B).
Instruction cycle Ceramic oscillation : 2.86 µs (in operation at 700 kHz, 5 V).
Program memory (ROM) capacity: 1024 × 8 bits.
Data memory (RA.

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Published: Dec 21, 2017 |