EM78568 データシートの表示（PDF） - ELAN Microelectronics

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EM78568

8-BIT OTP MICRO-CONTROLLER

ELAN Microelectronics 

EM78P568

8-bit OTP Micro-controller

XIN XOUT PLLC

O sc illa t o r

timing control

R1(TCC)

DATA

RAM

Control sleep

and wakeup

on I/O port

WDT

timer

Prescaler

General

RAM

R4

Interrupt

control

OTP

ROM

I nst r u c t io n

register

I nst r u c t io n

decoder

DATA & Control Bus

R2

STACK

ALU

R3

R5

ACC

LCD RAM

LCD driver

IOC5

R5

D/A

Prog. tone gen.

CTCSS block

Comparator

PORT5

COM0~COM3

SEG0~SEG31

P55~P57

IOC6

R6

PORT6

P60~P67

IOC7

R7

PORT7

P70~P77

IOC8

R8

PORT8

P80~P87

IOC9

R9

PORT9

IOCB

RB

PORTB

IOCC

RC

PORTC

P90~P97

PB0~PB7

PC0~PC7

Fig.2b Block diagram

DATA

OEB

PGMB

ACLK

DINCK

Shift register p to s

OTP aray

Security

register

Configuration

register

Shift register s to p

Address counter

OTP control unit

Power

on reset

High

voltage

VPP

detector

Fig.2c Block diagram for OTP function

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* This specification are subject to be changed without notice.

5

01/31/2004 V4.7

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