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UPD7564A - 4-BIT SINGLE-CHIP MICROCOMPUTER

This page provides the datasheet information for the UPD7564A, a member of the UPD7564 4-BIT SINGLE-CHIP MICROCOMPUTER family.

Datasheet Summary

Description

of low-order models, µPD7554 and 7564 sub-series in the µPD7500 series.

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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Datasheet Details

Part number UPD7564A
Manufacturer NEC
File Size 437.75 KB
Description 4-BIT SINGLE-CHIP MICROCOMPUTER
Datasheet download datasheet UPD7564A Datasheet
Additional preview pages of the UPD7564A datasheet.

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Full PDF Text Transcription

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DATA SHEET MOS INTEGRATED CIRCUIT µPD7564A, 7564A(A) 4-BIT SINGLE-CHIP MICROCOMPUTER 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 number of external circuits required. Details of functions are described in the User’s Manual shown below. Be sure to read in design.
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