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HD404356 Datasheet, PDF (1/100 Pages) Hitachi Semiconductor – 4-bit HMCS400-Series microcomputer | |||
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HD404358 Series
Rev. 6.0
Sept. 1998
Description
The HD404358 Series is a 4-bit HMCS400-Series microcomputer designed to increase program
productivity and also incorporate large-capacity memory. Each microcomputer has an A/D converter, input
capture timer, and two low-power dissipation modes.
The HD404358 Series includes seven chips: the HD404354, HD40A4354 with 4-kword ROM; the
HD404356, HD40A4356 with 6-kword ROM; the HD404358, HD40A4358 with 8-kword ROM; the
HD407A4359 with 16-kword PROM.
The HD40A4354, HD40A4356, HA40A4358, and HD407A4359 are high speed versions (minimum
instruction cycle time: 0.47 µs)
The HD407A4359 is a PROM version (ZTATâ¢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. (The ZTAT⢠version is 27256-compatible.)
ZTATâ¢: Zero Turn Around Time ZTAT is a trademark of Hitachi Ltd.
Features
⢠34 I/O pins
 One input-only pin
 33 input/output pins: 4 pins are intermediate-voltage NMOS open drain with high-current pins (15
mA, max.)
⢠On-chip A/D converter (8-bit à 8-channel)
 Low power voltage 2.7 V to 6.0 V
⢠Three timers
 One event counter input
 One timer output
 One input capture timer
⢠Eight-bit clock-synchronous serial interface (1 channel)
⢠Alarm output
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