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M3851 데이터시트

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M3851
Mitsubishi
MITSUBISHI ELECTRIC  Mitsubishi
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DESCRIPTION
The 3851 group is the 8-bit microcomputer based on the 740 family core technology.
The 3851 group is designed for the household products and office automation equipment and includes serial I/O functions, 8-bit timer, A-D converter, and I2C-bus interface.

FEATURES
● Basic machine-language instructions ...................................... 71
● Minimum instruction execution time .................................. 0.5 µs
   (at 8 MHz oscillation frequency)
● Memory size
   ROM ............................................................................. 16 Kbytes
   RAM .............................................................................. 512 bytes
● Programmable input/output ports ............................................ 34
● Interrupts ................................................. 16 sources, 16 vectors
● Timers ............................................................................. 8-bit ✕ 4
● Serial I/O ....................... 8-bit ✕ 1(UART or Clock-synchronized)
● Multi-master I2C-bus interface (option) ....................... 1 channel
● PWM ............................................................................... 8-bit ✕ 1
● A-D converter ............................................... 10-bit ✕ 5 channels
● Watchdog timer ............................................................ 16-bit ✕ 1
● Clock generating circuit ..................................... Built-in 2 circuits
   (connect to external ceramic resonator or quartz-crystal oscillator)
● Power source voltage
   In high-speed mode .................................................. 4.0 to 5.5 V
   (at 8 MHz oscillation frequency)
   In high-speed mode .................................................. 2.7 to 5.5 V
   (at 4 MHz oscillation frequency)
   In middle-speed mode ............................................... 2.7 to 5.5 V
   (at 8 MHz oscillation frequency)
   In low-speed mode .................................................... 2.7 to 5.5 V
   (at 32 kHz oscillation frequency)
● Power dissipation
   In high-speed mode ..........................................................34 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)
● Operating temperature range.................................... –20 to 85°C

APPLICATION
   Office automation equipment, FA equipment, Household products, Consumer electronics, etc.

 

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