HD404449SERIES Datasheet

IC型號：
HD404449SERIES
PDF描述：
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PDF頁數(shù)：
123頁
芯片廠家：
ETC

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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鈩?version).

The HD4074449 is a PROM version (ZTAT鈩?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鈩?version is 27256-compatible.)

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

Features

鈥?/div>

8,192-word

脳

10-bit ROM (HD404448)

16,384-word

脳

10-bit ROM (HD404449 and HD4074449)

鈥?/div>

1,152-digit

脳

4-bit RAM

鈥?/div>

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

鈥?/div>

Four timer/counters

鈥?/div>

Eight-bit input capture circuit

鈥?/div>

Three timer outputs (including two PWM outputs)

鈥?/div>

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

鈥?/div>

Two clock-synchronous 8-bit serial interfaces

鈥?/div>

A/D converter (4-channel

脳

8-bit)

鈥?/div>

Built-in oscillators

錚?/div>

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

錚?/div>

Subclock: 32.768-kHz crystal

鈥?/div>

Eleven interrupt sources

錚?/div>

Four by external sources, including two double-edge function

錚?/div>

Seven by internal sources

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