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HD404652 - 4-Bit Single-Chip Microcomputer

This page provides the datasheet information for the HD404652, a member of the HD4074654 4-Bit Single-Chip Microcomputer family.

Datasheet Summary

Description

The HD404654 Series is a member of the HMCS400-series of microcomputers designed to increase program productivity with large-capacity memory.

Features

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  • 27 I/O pins and 5 dedicated input pins  10 high-current output pins: Six 15-mA.

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Datasheet preview – HD404652

Datasheet Details

Part number HD404652
Manufacturer Hitachi Semiconductor
File Size 541.92 KB
Description 4-Bit Single-Chip Microcomputer
Datasheet download datasheet HD404652 Datasheet
Additional preview pages of the HD404652 datasheet.

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Other Datasheets by Hitachi Semiconductor
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Full PDF Text Transcription

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HD404654 Series 4-Bit Single-Chip Microcomputer Rev. 7.0 Sept. 1999 Description The HD404654 Series is a member of the HMCS400-series of microcomputers designed to increase program productivity with large-capacity memory. Each microcomputer has a high-precision dual-tone multi-frequency (DTMF) generator, three timers, serial interface, voltage comparator, and input capture circuit. The HD404654 Series includes three chips: the HD404652 with 2 k-word ROM; the HD404654 with 4 kword ROM; and the HD4074654 with 4 k-word PROM (ZTAT™ version). The HD4074654 is a PROM version (ZTAT™ microcomputer). A program can be written to the PROM by a PROM writer, which can dramatically shorten system development periods and smooth the process from debugging to mass production.
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