3850 Group General Description
3850 Group Features
`Basic machine-language instructions ...................................... 71
`Minimum instruction execution time .................................. 0.5 ms (at 8 MHz oscillation frequency)
`Memory size ROM ................................................................... 8K to 24K bytes RAM..................................................................... 512 to 640 byte
`Programmable input/output ports ............................................ 34
`Interrupts ................................................. 14 sources, 14 vectors
`Timers ............................................................................. 8-bit 5 4
`Serial I/O ....................... 8-bit 5 1(UART or Clock-synchronized)
`PWM ............................................................................... 8-bit 5 1
`A-D converter ............................................... 10-bit 5 5 channels
`Watchdog timer ............................................................ 16-bit 5 1
`Clock generating circuit ..................................... Built-in 2 circuits (connect to external ceramic resonator or quartz-crystal oscillator) 3850 Group SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER MITSUBISHI MICROCOMPUTERS PIN CONFIGURATION (TOP VIEW) Fig. 1 M38503M4-XXXFP/SP pin configuration
`Power source voltage
`n high-speed mode .................................................. 4.0 to 5.5 V (at 8 MHz oscillation frequency)
`n high-speed mode .................................................. 2.7 to 5.5 V (at 4 MHz oscillation frequency)
`n middle-speed mode ............................................... 2.7 to 5.5 V (at 8 MHz oscillation frequency)
`n low-speed mode .................................................... 2.7 to 5.5 V (at 32 kHz oscillation frequency)
`Power dissipation
`n high-speed mode ..........................................................34 mW (at 8 MHz oscillation frequency, at 5 V power source voltage)
`n low-speed mode ............................................................ 60 mW (at 32 kHz oscillation frequency, at 3 V power source voltage)
`Operating temperature range.................................... 20 to 85°C
3850 Group Typical Application
3850 Group Connection Diagram
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