HD40C4342RFT Datasheet

IC型號：
HD40C4342RFT
PDF描述：
4-Bit Microcontroller
文件大小：
858.01KB
PDF頁數(shù)：
100頁
芯片廠家：
ETC

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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鈩?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鈩? Zero Turn Around Time ZTAT is a Trademark of Hitachi Ltd.

Features

鈥?/div>

Input/output pins

錚?/div>

HD404344R series, HD4074344: 22 pins

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

錚?/div>

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)

鈥?/div>

Two timer/counters

錚?/div>

One timer output

錚?/div>

One event counter input (with programmable edge detection)

鈥?/div>

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

鈥?/div>

On-chip A/D converter

錚?/div>

HD404344R series, HD4074344: 8 bit

脳

4 channel

錚?/div>

HD404394 series: 8 bit

脳

3 channel (with V

ref

pin)

鈥?/div>

Built-in oscillator

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HD40C4342RFT Datasheet

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