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MSM80C31F

Features: • Low power consumption by 2 m silicon gate CMOS process technology• Fully static circuit• Internal program memory: 4K bytes (MSM80C51F)• External program memory space : 64K bytes• Internal data memory (RAM) : 128 bytes• External data memory (RAM) spa...

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SeekIC No. : 004429156 Detail

MSM80C31F: Features: • Low power consumption by 2 m silicon gate CMOS process technology• Fully static circuit• Internal program memory: 4K bytes (MSM80C51F)• External program memory sp...

MSM80C31F Data Sheet

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Part Number:
MSM80C31F
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Low power consumption by 2 m silicon gate CMOS process technology
• Fully static circuit
• Internal program memory                  : 4K bytes (MSM80C51F)
• External program memory space        : 64K bytes
• Internal data memory (RAM)               : 128 bytes
• External data memory (RAM) space    : 64K bytes
• I/O ports : 8-bit * 4 ports
• Two 16-bit timer/counters
• Multifunctional serial port (UART)
• Five interrupt sources (Priority can be set)
• Four sets of working registers (R0-7 *4)
• Stack : Internal data memory (RAM)
              128-byte area can be used arbitrarily (by SP specified)
• Two CPU power-down modes
     (1) Idle mode : CPU stopped while oscillation continued.
                              (Software setting)
     (2) PD mode : CPU and oscillation all stopped.
                           (Software setting)
                           (Setting I/O ports to floating status possible)
• Operating temperature : 40 to +85°C (@ 12 MHz, VCC = 5 V ±20%)
                                          20 to +70°C (@ 16 MHz, VCC = 5 V ±5%)
• 2-byte 1-machine cycle instructions : 1 msec. @ 12 MHz
                                                              0.75 sec. @ 16 MHz
• Multiplication/division instructions    : 4 msec. @ 12 MHz
                                                              3 msec. @ 16 MHz
• Instruction code addressing method
        Byte specification : Data addressing (direct)
        Bit specification : Bit addressing


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition Rating Unit
Supply Voltage VCC Ta = 25°C 0.5 to +7.0 V
Voltage from Any Pin to VSS VI Ta = 25°C 0.5 to VCC +7.0 V
Storage Temperature TSTG - 55 to +150 °C



Description

The OKI MSM80C31F/MSM80C51F microcontroller is a low-power, 8-bit device implemented in OKI's silicon-gate complementary metal-oxide semiconductor process technology. The device includes 4K bytes of mask programmable ROM (MSM80C51F only), 128 bytes of data RAM, 32 I/O lines, two 16-bit timer/counters, a five-source two-level interrupt structure, a full duplex serial port, and an oscillator and clock circuitry. In addition, the MSM80C31F has two software selectable modes for further power reduction - Idle and Power Down. Idle mode freezes the CPU's in-struction execution while maintaining RAM and allowing the timers, serial port and interrupt system to continue functions. Power Down mode of MSM80C31F saves the RAM contents but freezes the oscillator causing all other device functions to be inoperative.




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