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M38C89MF Datasheet(Fiches technique) 1 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M38C89MF
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER   
Télécharger  51 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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38C8 Group
DESCRIPTION
The 38C8 group is the 8-bit microcomputer based on the 740 family
core technology.
The 38C8 group has a LCD drive control circuit (bias control, time
sharing control), a 10-bit A-D converter, and a Serial I/O as additional
functions.
The various microcomputers in the 38C8 group include variations of
internal memory size and packaging. For details, refer to the section
on part numbering.
FEATURES
qBasic machine-language instructions ....................................... 71
qThe minimum instruction execution time ............................ 0.5
µs
(at 8 MHz oscillation frequency)
qMemory size
ROM ............................................................................ 60 K bytes
RAM ............................................................................ 2048 bytes
qProgrammable input/output ports ............................................. 35
qSoftware pull-up resistors
.................................................................. Ports P0–P3, P41–P47
qInterrupts ................................................... 15 sources, 15 vectors
(includes key input interrupt)
qTimers ............................................................ 8-bit ✕ 3, 16-bit ✕ 2
qSerial I/O ........................ 8-bit ✕ 1 (UART or Clock-synchronized)
qA-D converter (32 kHz operating available) ... 10-bit ✕ 8 channels
qLCD drive control circuit
Bias ................................................................................... 1/5, 1/7
Duty .............................................................................. 1/16, 1/32
Common output ............................................................... 16 or 32
Segment output ............................................................... 52 or 68
qMain clock generating circuit (RC oscillation selectable)
...................... (connect to external ceramic resonator or resistor)
qSub-clock generating circuit
............................................. (connect to quartz-crystal oscilaltor)
qPower source voltage
In high-speed mode .................................................... 4.0 to 5.5 V
In middle-speed mode ................................................ 2.2 to 5.5 V
In low-speed mode ..................................................... 2.2 to 5.5 V
qPower dissipation
In high-speed mode ........................................................... 30 mW
(at 8 MHz oscillation frequency, at 5 V power source voltage)
In low-speed mode ............................................................. 60
µW
(at 32 kHz oscillation frequency, at 3 V power source voltage, at
WIT state, at voltage multiplier operating, LCD drive waveform
generating state)
qOperating temperature range ................................... – 20 to 85°C
APPLICATIONS
Dot-matrix-type displays
MITSUBISHI MICROCOMPUTERS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to
change.




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