Datasheet > HD404344RSERIES/HD404394SERIES

HD404344RSERIES/HD404394SERIES

更新时间： 2024-09-18 23:55:11

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HD404344R Series/HD404394 Series

Rev. 7.0

Sept. 1999

Description

The HD404344R series and HD404394 series 4-bit microcomputers are products of the HMCS400 series,

which is designed to make application systems compact while realizing higher performance and increasing

program productivity.

Each microcomputer has an A/D converter, two timers and a serial interface. The HD404344R series

includes the HD404344R with on-chip 4-kword ROM, HD404342R with 2-kword ROM, and HD404341R

with 1-kword ROM. The HD404394 series includes the HD404394 with on-chip 4-kword ROM,

HD404392 with 2-kword ROM, and HD404391 with 1-kword ROM.

The HD4074344 and HD4074394 are the PROM version ZTAT microcomputers. 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

•

Input/output pins

HD404344R series, HD4074344: 22 pins

(10pins: Large-current I/O pins)

HD404394 series: 21 pins

(3 pins: intermediate-voltage NMOS open drain I/O; 5 pins: NMOS open drain I/O with 15-mA

high-current driver)

•

Two timer/counters

One timer output

One event counter input (with programmable edge detection)

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

On-chip A/D converter

•

HD404344R series, HD4074344: 8 bit × 4 channel

HD404394 series: 8 bit × 3 channel (with V_refpin)

Built-in oscillator

•

12 3 4 5 6 7...100

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与HD404344RSERIES/HD404394SERIES相关器件

型号	品牌	获取价格	描述	数据表
HD404344S	ETC	获取价格	4-Bit Microcontroller
HD404354	RENESAS	获取价格	microcomputer has an A/D converter,
HD404354	HITACHI	获取价格	4-bit HMCS400-Series microcomputer
HD404354H	HITACHI	获取价格	4-bit HMCS400-Series microcomputer
HD404354H	RENESAS	获取价格	microcomputer has an A/D converter,
HD404354RH	HITACHI	获取价格	Microcontroller, 4-Bit, CMOS, PQFP44, FP-44A
HD404354RS	RENESAS	获取价格	4-BIT, MICROCONTROLLER, PDIP42, DP-42S
HD404354S	RENESAS	获取价格	microcomputer has an A/D converter,
HD404354S	HITACHI	获取价格	4-bit HMCS400-Series microcomputer
HD404356	HITACHI	获取价格	4-bit HMCS400-Series microcomputer