Purchase MSM80C31F, In-stock MSM80C31F From SeekIC.
MFG:220 Package Cooled:OKI
Part Number: MSM80C31F
MFG: 220
Package Cooled: OKI
Description: The OKI MSM80C31F/MSM80C51F microcontroller is a low-power, 8-bit device implemented in OKI's silicon-...
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MSM80C31F
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DataSheet
General Description
MSM80C31F General 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 device 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 saves the RAM contents but freezes the oscillator causing all other device functions to be inoperative.
MSM80C31F Maximum Ratings
| 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 |
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) 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
• 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
MSM80C31F Connection Diagram
MSM10S0000
PDF/DataSheet Download
- Datasheet: MSM10S0000
- File Size: 48604 KB
- Manufacturer: OKI [OKI electronic componets]
- Click here to Download
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