HD404094 Просмотр технического описания (PDF) - Renesas Electronics

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HD404094

microcomputer designed to increase program productivity

Renesas Electronics 

HD404054 Series/HD404094 Series

Rev. 6.0

Sept. 1998

Description

The HD404054 Series and HD404094 Series are HMCS400-series microcomputers designed to increase

program productivity with large-capacity memory. Each microcomputer has three timers, one serial

interface, comparator, input capture circuit.

The HD404054 Series includes three chips: the HD404052 with 2-kword ROM; the HD404054 with 4-

kword ROM; and the HD4074054 with 4-kword PROM (ZTAT™ version). Also, the HD404094 Series

includes three chips: the HD404092 with 2-kword ROM; the HD404094 with 4-kword ROM; and the

HD4074094 with 4-kword PROM (ZTAT™ version).

The HD4074054 and HD4074094 are PROM version (ZTAT™ microcomputers). 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.)

Features

• The differences between HD404054 Series and HD404094 Series

I/O pins

HD404054 Series

HD404094 Series

10 large-current output pins: Six 15-mA sinks • 6 largecurrent output pins: Two 15-mA

and four 10-mA sources

sinks and four 10-mA sources

• 4 intermediate voltage output pins

• 27 I/O pins and 8 dedicated input pins

• Three timer/counters

• Eight-bit input capture circuit

• Two timer outputs (including two PWM outputs)

• One event counter inputs (including one double-edge function)

• One clock-synchronous 8-bit serial interface

• Comparator (2 channels)

• Built-in oscillators

 Main clock: Ceramic or crystal oscillator (an external clock is also possible)

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