W742C814 데이터 시트보기 (PDF) - Winbond

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W742C814

4-BIT MICROCONTROLLER

Winbond 

5. BLOCK DIAGRAM

W742C814

SEG0~SEG31

COM0~COM3

VDD1-2 DH1-2

RAM

(1024*4)

ROM

(4096*16)

(look_up table

16K*4)

+1(+2)

PC

STACK

(8 Levels)

Timer 0

(8 Bit)

Watch Dog Timer

(4 Bit)

LCD DRIVER

ACC

ALU

PORT RA

PORT RB

PORT RC

Central Control

Unit

IEF

HEF PEF

HCF EVF SEF

PSR0 SCR

PR

PM0 MR0 MR1

. . . PM1 DTMF DTCR

PORT RD

PORT RE

DTMF

Generator

Timer 1

(8 Bit)

Modulation

Frequency

Pulse

SEL

MUX

Divider 1

(12/14 Bit)

Divider 0

(14 Bit)

Timing Generator

PLL

XOUT XIN

RA0-3

RB0-3

RC0-3

RD0-3

RE0-3

DTMF

MFP

VDD

VSS

RES

-6-

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