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HD404458

Hitachi
Part Number HD404458
Manufacturer Hitachi
Description (HD4074458 / HD4074459) MICROCONTROLLER
Published Dec 26, 2005
Detailed Description HD404459 Series Description The HD404459 Series is a member of the 4-bit HMCS400-series microcomputers with large-capa...
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HD404458
HD404458

Overview
HD404459 Series Description The HD404459 Series is a member of the 4-bit HMCS400-series microcomputers with large-capacity memory and architecture providing high program productivity.
Each microcomputer has a 32-kHz oscillator for clock, low-voltage (1.
8 V) operating mode, and four low-power dissipation modes.
The HD404459 Series includes three chips: the HD404458 with an 8-kword ROM; the HD404459 with a 16-kword ROM; and the HD4074459 with a 16-kword PROM (ZTATTM version).
The HD4074459 is a PROM version (ZTATTM microcomputer).
A program can be written to the PROM by a PROM writer, thus dramatically shortening system development periods and turnaround time (ZTAT TM versions are 27256-comp...


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