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HD404449 fiches techniques PDF

Hitachi - (HD4074448 / HD4074449) MICROCONTROLLER

Numéro de référence HD404449
Description (HD4074448 / HD4074449) MICROCONTROLLER
Fabricant Hitachi 
Logo Hitachi 





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HD404449 fiche technique
HD404449 Series
Rev. 6.0
Sept. 1998
mDescription
.coThe 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.
UThe HD404449 Series includes three chips: the HD404448 with 8-kword ROM; the HD404449 with 16-
t4kword ROM; and HD4074449 with 16-kword PROM (ZTATversion).
eThe HD4074449 is a PROM version (ZTATmicrocomputer). A program can be written to the PROM by
a PROM writer, which can dramatically shorten system development periods and smooth the process from
edebugging to mass production. (The ZTATversion is 27256-compatible.)
hZTAT: Zero Turn Around Time ZTAT is a trademark of Hitachi Ltd.
SFeatures
ta8,192-word × 10-bit ROM (HD404448)
a16,384-word × 10-bit ROM (HD404449 and HD4074449)
1,152-digit × 4-bit RAM
.D64 I/O pins, including 10 high-current pins (15 mA, max)
Four timer/counters
wEight-bit input capture circuit
Three timer outputs (including two PWM outputs)
wTwo event counter inputs (including one double-edge function)
wTwo 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
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