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'3850 Group (Spec. H) SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER MITSUBISHI MICROCOMPUTERS DESCRIPTION The 3850 group (spec. H) is the 8-bit microcomputer based on the 740 family core technology. The 3850 group (spec. H) is designed for the household products and office automation equipment and includes serial I/O functions, 8-bit timer, and A-D converter. FEATURES q Basic machine-language instructions ...................................... 71 q Minimum instruction execution time .................................. 0.5 µs (at 8 MHz oscillation frequency) q Memory size ROM ................................................................... 8K to 32K bytes RAM ................................................................. 512 to 1024 bytes q Programmable input/output ports ............................................ 34 q Interrupts ................................................. 14 sources, 14 vectors q Timers ............................................................................. 8-bit ! 4 q Serial I/O1 .................... 8-bit ! 1(UART or Clock-synchronized) q Serial I/O2 ................................... 8-bit ! 1(Clock-synchronized) q PWM ............................................................................... 8-bit ! 1 q A-D converter ............................................... 10-bit ! 5 channels q Watchdog timer ............................................................ 16-bit ! 1 q Clock generating circuit ..................................... Built-in 2 circuits (connect to external ceramic resonator or quartz-crystal oscillator) PIN CONFIGURATION (TOP VIEW) Fig. 1 M38503M4H-XXXFP/SP pin configuration qPower source voltage In high-speed mode .................................................. 4.0 to 5.5 V (at 8 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) qPower 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) qOperating temperature range .................................... –20 to 85°C APPLICATION Office automation equipment, FA equipment, Household products, Consumer electronics, etc. Package type : FP ........................... 42P2R-A/E (42-pin plastic-molded SSOP) Package type : SP ........................... 42P4B (42-pin plastic-molded SDIP) P40/CNTR1 P41/INT0 P42/INT1 P43/INT2/SCMP2 AVSS P44/INT3/PWM VREF VCC P00/SIN2 P04 P05 P06 P07 P11/(LED1) P12/(LED2) P13/(LED3) P14/(LED4) P15/(LED5) P10/(LED0) P01/SOUT2 P02/SCLK2 P31/AN1 P32/AN2 P30/AN0 P33/AN3 P34/AN4 P03/SRDY2 40 41 42 22 23 24 25 26 27 28 29 30 31 32 34 35 36 37 38 39 33 3 2 1 21 20 19 18 17 16 15 14 13 12 11 9 8 7 6 5 4 10 P16/(LED6) P17/(LED7) P27/CNTR0/SRDY1 P26/SCLK P25/TxD P24/RxD P23 P22 CNVSS P21/XCIN P20/XCOUT RESET XIN XOUT VSS        |
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