MSM80C154S datasheet(1/40 Pages) OKI

部品番号	MSM80C154S

部品情報	CMOS 8-bit Microcontroller

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MSM80C154S/83C154S

¡ Semiconductor

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).

FEATURES

• Operating range

Operating frequency

: 0 to 3 MHz (Vcc=2.2 to 6.0 V)

0 to 12 MHz (Vcc=3.0 to 6.0 V)

0 to 24 MHz (Vcc=4.5 to 6.0 V)

Operating voltage

: 2.2 to 6.0 V

Operating temperature

: –40 to +85

°C (Operation at +125°C conforms to

the other specification.)

• 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 programmable)

: 32

• 16-bit timer/counters

: 3

• Multifunctional serial port

: I/O Expansion mode

: UART mode (featuring error detection)

• 6-source 2-priority level

Interrupt and multi-level

Interrupt available by programming IP and IE registers

• Memory-mapped special function registers

• Bit addressable data memory and SFRs

• Minimum instruction cycle

: 500 ns @ 24 MHz operation

• Standby functions

: Power-down mode (oscillator stop)

Activated by software or hardware; providing

ports with floating or active status

The software power-down stet mode is termi-

nated by interrupt signal enabling execution from

the interrupted address.

¡ Semiconductor

MSM80C154S/83C154S

CMOS 8-bit Microcontroller

E2E1023-27-Y3

This version: Jan. 1998

Previous version: Nov. 1996

同様の部品番号 - MSM80C154S

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