HD404638RF Datasheet

IC型號：
HD404638RF
PDF描述：
4-Bit Microcontroller
文件大小：
839.90KB
PDF頁數(shù)：
133頁
芯片廠家：
ETC

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HD404639R Series

4-Bit Single-Chip Microcomputer

Rev. 6.0

Sept. 1998

Description

The HD404639R Series is a member of the HMCS400-series microcomputers designed to increase

program productivity with large-capacity memory. The HD404639R Series, completely compatible with

the HD404639 Series, reduces current dissipation in half and includes a high-speed version. Each

microcomputer has a high-precision dual-tone multi frequency (DTMF) generator, four timers, two serial

interfaces, voltage comparator, input capture circuit, 32-kHz oscillator for clock, and four low-power

dissipation modes.

The HD404639R Series includes 5 chips: the HD404638R and HD40A4638R with 8-kword ROM; the

HD404639R and HD40A4639R with 16-kword ROM; the HD407A4639R with 16-kword PROM.

HD40A4638R, HD40A4639R, HD407A4639R are high-speed versions (minimum instruction cycle time:

0.5

碌s).

The HD407A4639R 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

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

Features

鈥?/div>

8,192-word

脳

10-bit ROM (HD404638R, HD40A4638R)

鈥?/div>

16,384-word

脳

10-bit ROM (HD404639R, HD40A4639R, HD407A4639R)

鈥?/div>

1,152-digit

脳

4-bit RAM

鈥?/div>

61 I/O pins and 7 dedicated input pins

錚?/div>

12 high-current output pins: Eight 15-mA sinks (a maximum of 7 pins can be used at the same time)

and four 10-mA sources

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

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