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MSM80C31F - CMOS 8-Bit Microcontroller

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.

Key Features

  • Low power consumption by 2 mm silicon gate CMOS process technology.
  • Fully static circuit.
  • Internal program memory : 4K bytes (MSM80C51F) www. DataSheet4U. com.
  • 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 (Pr.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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E2E1037-19-41 ¡ Semiconductor MSM80C31F/MSM80C51F ¡ Semiconductor CMOS 8-Bit Microcontroller This version: Mar. 1995 MSM80C31F/80C51F 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.