HD4074449H

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HD4074449H 数据手册

HD404449 Series

Rev. 6.0

Sept. 1998

Description

The HD404449 Series is a HMCS400-series microcomputer designed to increase program productivity

with large-capacity memory. Each microcomputer has four timers, two serial interfaces, A/D converter,

input capture circuit, 32-kHz oscillator for clock, and four low-power dissipation modes.

The HD404449 Series includes three chips: the HD404448 with 8-kword ROM; the HD404449 with 16-

kword ROM; and HD4074449 with 16-kword PROM (ZTAT version).

The HD4074449 is a PROM version (ZTAT 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.)

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

Features

•

8,192-word × 10-bit ROM (HD404448)

16,384-word × 10-bit ROM (HD404449 and HD4074449)

1,152-digit × 4-bit RAM

•

64 I/O pins, including 10 high-current pins (15 mA, max)

Four timer/counters

Eight-bit input capture circuit

Three timer outputs (including two PWM outputs)

Two event counter inputs (including one double-edge function)

Two clock-synchronous 8-bit serial interfaces

A/D converter (4-channel × 8-bit)

Built-in oscillators

Main clock: 4-MHz ceramic oscillator or crystal (an external clock is also possible)

Subclock: 32.768-kHz crystal

•

Eleven interrupt sources

Four by external sources, including two double-edge function

Seven by internal sources

12 3 4 5 6 7...123

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型号	品牌	获取价格	描述	数据表
HD4074449HV	RENESAS	获取价格	OTPROM, MICROCONTROLLER, PQFP80, PLASTIC, QFP-80
HD4074449TF	RENESAS	获取价格	microcomputer has four timers, two serial interfaces, A/D converter,
HD4074449TF	HITACHI	获取价格	HD404449 SERIES
HD4074459	RENESAS	获取价格	4-bit HMCS400-series microcomputers
HD4074459H	RENESAS	获取价格	4-bit HMCS400-series microcomputers
HD4074509FS	ETC	获取价格	4-Bit Microcontroller
HD4074608FS	ETC	获取价格	4-Bit Microcontroller
HD4074608H	ETC	获取价格	4-Bit Microcontroller
HD4074618	RENESAS	获取价格	4-Bit Single-Chip Microcomputer
HD4074618	HITACHI	获取价格	4-Bit Single-Chip Microcomputer