Datasheet > HD4074318H

HD4074318H

更新时间： 2024-09-29 23:16:43

品牌	Logo	应用领域
日立 - HITACHI		/
页数	文件大小	规格书
66页	306K
描述
4-bit HMCS400-series microcomputer

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HD4074318H 数据手册

HD404318 Series

Rev. 6.0

Sept. 1998

Description

The HD404318 Series is 4-bit HMCS400-series microcomputer with large-capacity memory designed to

increase program productivity. Each microcomputer has an A/D converter and input capture timer built in.

They also come with high-voltage I/O pins that can directly drive a fluorescent display.

The HD404318 Series includes four chips: the HD404318 with 8-kword ROM; the HD404316 with 6-

kword ROM; the HD404314 with 4-kword ROM; the HD4074318 with 8-kword PROM.

The HD4074318 is a PROM version ZTAT microcomputer. Programs 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 PROM program specifications are the same as for the 27256.)

ZTAT : Zero Turn Around Time ZTAT is a trademark of Hitachi Ltd.

Features

•

34 I/O pins

One input-only pin

33 input/output pins: 21 pins are high-voltage pins (40 V, max.)

On-chip A/D converter (8-bit × 8-channel)

Three timers

•

One event counter input

One timer output

One input capture timer

•

8-bit clock-synchronous serial interface (1 channel)

Alarm output

Built-in oscillators

Ceramic or crystal oscillator

External clock drive is also possible

12 3 4 5 6 7...66

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