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HD404652S

Part Number	HD404652S
Manufacturer	Hitachi Semiconductor
Description	4-Bit Single-Chip Microcomputer
Published	Jan 9, 2010
Detailed Description	HD404654 Series 4-Bit Single-Chip Microcomputer Rev. 7.0 Sept. 1999 Description The HD404654 Series is a member of the ...
Datasheet	HD404652S PDF File

Overview

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 develo...

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