3851-03

      The 3851-03 (built-in 24 KB or more ROM) is the 8-bit microcomputer based on the 740 family core technology.The 3851-03(built-in 24 KB or more ROM) is designed for the household products and office automation equipment and includes serial I/O functions, 8-bit timer, I2C-BUS interface, and A-D converter.
       The 3851-03(built-in 24 KB or more ROM) uses the standard 740 family instruction set. Refer to the table of 740 family addressing modes and machine instructions or the 740 Family Software Manual for details on the instruction set. Machine-resident 740 family instructions are as follows:The FST and SLW instruction cannot be used.The STP, WIT, MUL, and DIV instruction can be used.
       3851-03(built-in 24 KB or more ROM) has many wonderful features.The minimum instruction execution time is 0.5s(at 8 MHz oscillation frequency).Memory size is from 24K to 32K bytes(ROM)and from 640 to 1k bytes(RAM).Programmable input or output ports is 34.Interrupts is 17 sources, 16 vectors. Timer is 8-bit*4. Serial I/O1 is 8-bit * 1 (UART or Clock-synchronized). Serial I/O2 is 8-bit * 1 (Clock-synchronized).A-D convert is 10-bit*5 channels.Power dissipation:In high-speed mode is 34 mW(at 8 MHz oscillation frequency, at 5 V power source voltage).In low-speed mode is 60W except M38507F8FP/SP which is 450 W(at 32 kHz oscillation frequency, at 3 V power source voltage). Operating temperature rang is from20°C to 85°C. Power source voltage: In high-speed mode is 4.0 V to 5.5 V(at 8 MHz oscillation frequency).In low-speed mode is 2.7 V to 5.5 V(at 32 KHz oscillation frequency).Its applications are office automation equipment, FA equipment, household products, consumer electronics, etc.
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