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M38867M8A Datasheet(Fiches technique) 1 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M38867M8A
Description  SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER  
Télécharger  110 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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DESCRIPTION
The 3886 group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 3886 group is designed for controlling systems that require
analog signal processing and include two serial I/O functions, A-D
converters, D-A converters, system data bus interface function,
watchdog timer, and comparator circuit.
The multi-master I2C bus interface can be added by option.
FEATURES
<Microcomputer mode>
qBasic machine-language instructions ...................................... 71
qMinimum instruction execution time .................................. 0.4
µs
(at 10 MHz oscillation frequency)
qMemory size
ROM ................................................................. 32K to 60K bytes
RAM ............................................................... 1024 to 2048 bytes
qProgrammable input/output ports ............................................ 72
qSoftware pull-up resistors ................................................. Built-in
qInterrupts ................................................. 21 sources, 16 vectors
(Included key input interrupt)
qTimers ............................................................................. 8-bit ! 4
qSerial I/O1 .................... 8-bit ! 1(UART or Clock-synchronized)
qSerial I/O2 ................................... 8-bit ! 1(Clock-synchronized)
qPWM output circuit ....................................................... 14-bit ! 2
qBus interface .................................................................... 2 bytes
qI2C bus interface (option) ............................................. 1 channel
qA-D converter ............................................... 10-bit ! 8 channels
qD-A converter ................................................. 8-bit ! 2 channels
qComparator circuit ...................................................... 8 channels
qWatchdog timer ............................................................ 16-bit ! 1
qClock generating circuit ..................................... Built-in 2 circuits
(connect to external ceramic resonator or quartz-crystal oscillator)
qPower source voltage
In high-speed mode .................................................. 4.0 to 5.5 V
(at 10 MHz oscillation frequency)
In middle-speed mode ........................................... 2.7 to 5.5 V(*)
(at 10 MHz oscillation frequency)
In low-speed mode ............................................... 2.7 to 5.5 V (*)
(at 32 kHz oscillation frequency)
(*: 4.0 to 5.5 V for Flash memory version)
3886 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
qPower dissipation
In high-speed mode .......................................................... 40 mW
(at 10 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)
qMemory expansion possible (only for M38867M8A/E8A)
qOperating temperature range .................................... –20 to 85°C
<Flash memory mode>
qSupply voltage ................................................. VCC = 5 V ± 10 %
qProgram/Erase voltage ............................... VPP = 11.7 to 12.6 V
qProgramming method ...................... Programming in unit of byte
qErasing method
Batch erasing ........................................ Parallel/Serial I/O mode
Block erasing .................................... CPU reprogramming mode
qProgram/Erase control by software command
qNumber of times for programming/erasing ............................ 100
qOperating temperature range (at programming/erasing)
..................................................................... Normal temperature
sNotes
1. The flash memory version cannot be used for application em-
bedded in the MCU card.
2. Power source voltage Vcc of the flash memory version is 4.0
to 5.5 V.
APPLICATION
Household product, consumer electronics, communications, note
book PC, etc.




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