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MSM80C154S Datasheet CMOS 8-bit Microcontroller

Manufacturer: OKI Electric

Overview: E2E1023-27-Y3 ¡ Semiconductor MSM80C154S/83C154S ¡ Semiconductor CMOS 8-bit Microcontroller This version: Jan. 1998 MSM80C154S/83C154S Previous version: Nov.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The MSM80C154S/MSM83C154S, designed for the high speed version of the existing MSM80C154/MSM83C154, is a higher performance 8-bit microcontroller providing low-power consumption.

The MSM80C154S/MSM83C154S covers the functions and operating range of the existing MSM80C154/83C154/80C51F/80C31F.

The MSM80C154S is identical to the MSM83C154S except it does not contain the internal program memory (ROM).

Key Features

  • Operating range Operating frequency Operating voltage Operating temperature.
  • Fully static circuit.
  • Upward compatible with the MSM80C51F/80C31F.
  • On-chip program memory : 16K words x 8 bits ROM (MSM83C154S only).
  • On-chip data memory : 256 words x 8 bits RAM.
  • External program memory address space : 64K bytes ROM (Max).
  • External data memory address space : 64K bytes RAM.
  • I/O ports : 4 ports x 8 bits (Port 1, 2, 3, impedance p.

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