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M38C80E3-XXXFP

更新时间: 2024-09-14 22:07:19
品牌 Logo 应用领域
三菱 - MITSUBISHI 计算机
页数 文件大小 规格书
51页 866K
描述
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

M38C80E3-XXXFP 数据手册

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MITSUBISHI MICROCOMPUTERS  
38C8 Group  
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
LCD drive control circuit  
DESCRIPTION  
Bias ................................................................................... 1/5, 1/7  
Duty .............................................................................. 1/16, 1/32  
Common output ............................................................... 16 or 32  
Segment output ............................................................... 52 or 68  
Main clock generating circuit (RC oscillation selectable)  
...................... (connect to external ceramic resonator or resistor)  
Sub-clock generating circuit  
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.  
............................................. (connect to quartz-crystal oscilaltor)  
Power 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  
Power dissipation  
FEATURES  
Basic machine-language instructions ....................................... 71  
The minimum instruction execution time ............................ 0.5 µs  
(at 8 MHz oscillation frequency)  
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)  
Memory size  
ROM ............................................................................ 60 K bytes  
RAM ............................................................................ 2048 bytes  
Programmable input/output ports ............................................. 35  
Software pull-up resistors  
.................................................................. Ports P0–P3, P41–P47  
Interrupts ................................................... 15 sources, 15 vectors  
(includes key input interrupt)  
Operating temperature range ................................... – 20 to 85°C  
APPLICATIONS  
Dot-matrix-type displays  
Timers ............................................................8-bit 3, 16-bit 2  
Serial I/O ........................8-bit 1 (UART or Clock-synchronized)  
A-D converter (32 kHz operating available) ... 10-bit 8 channels  

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