M34570E8 datasheet, PDF - EEWORLD Datasheet

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M34570E8: DescriptionSINGLE-CHIP 4-BIT CMOS MICROCOMPUTER　　　　　　　; File Size315KB，68 Pages; ManufacturerMitsubishi; Websitehttp://www.mitsubishielectric.com/semiconductors/

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M34570E8 Overview

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER　　　　　　　

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MITSUBISHI MICROCOMPUTERS

4570 Group

SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

DESCRIPTION

The 4570 Group is a 4-bit single-chip microcomputer designed

with CMOS technology. Its CPU is that of the 4500 series using

a simple, high-speed instruction set. The computer is equipped

with a carrier wave output circuit for remote control, an 8-bit timer

with a reload register, a 10-bit timer with a reload register, and

an 8-bit timer with two reload registers.

The various microcomputers in the 4570 Group include variations

of the built-in memory size. The mask ROM version and One

Time PROM version of 4570 Group are produced as shown in

the table below.

System clock switch function

............................................................. f(X

)/4 or not divided

Timers

Timer 1... 10-bit timer with a reload register and carrier wave

output auto-control function

Timer 2 ................................ 8-bit timer with a reload register

Timer 3... 8-bit timer with two reload registers and carrier wave

generation function

Interrupt ................................................................... 4 sources

Power-on reset circuit

Watchdog timer ............................................................ 16 bits

Key-on wakeup function (Ports P0, P1, and P4, ON/OFF of

port P4 can be switched)

qPull-up

transistor .............. (Ports P0, P1, and P4, ON/OFF of

port P4 can be switched)

Voltage drop detection circuit

Clock generating circuit (ceramic resonance)

FEATURES

Minimum instruction execution time

When f(X

) is selected for system clock ....................... 1.5

(f(X

)=2.0 MHz, V

=4.5 V to 5.5 V)

When f(X

)/4 is selected for system clock ................. 2.86

(f(X

)=4.2 MHz, V

=2.0 V to 5.5 V)

Supply voltage

............................. 2.5 V to 5.5 V (One Time PROM version)

....................................... 2.0 V to 5.5 V (Mask ROM version)

Product

M34570M4-XXXFP

M34570M8-XXXFP

M34570MD-XXXFP

M34570E8FP

M34570EDFP *

*: Under development (Jan. 1999)

ROM (PROM) size

(! 10 bits)

4096 words

8192 words

16384 words

8192 words

16384 words

APPLICATION

Remote control transmitter

RAM size

(! 4 bits)

128 words

Package

36P2R-A

ROM type

Mask ROM

One Time PROM

PIN CONFIGURATION (TOP VIEW)

M34570Mx-XXXFP

OUT

/INT

RESET

CNV

OUT

VDCE

CARR

Outline 36P2R-A

M34570Mx-XXXFP

M34570E8 Related Products

	M34570E8	M34570MD	M34570M8	M34570M4-302FP	M34570M4-214FP	M34570M4-202FP	M34570ED
Description	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER	SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

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