HT46R321 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT46R321

A/D Type 8-Bit OTP MCU with OPA and 8
4 LED Driver

Holtek Semiconductor 

Block Diagram

P ro g ra m

ROM

P ro g ra m

C o u n te r

P D 6 /IN T

STAC K

In te rru p t

C ir c u it

IN T C

In s tr u c tio n

R e g is te r

MP

M

U

X

D ATA

M e m o ry

HT46R321

TM R C

TM R

PFD

W DT

M

P r e s c a le r

fS Y S

U

X

P D 5 /T M R

PA4

M

fS Y S /4

U

X

W DT O SC

In s tr u c tio n

D ecoder

T im in g

G e n e ra to r

O SC2

O SC1

RES

VDD

VSS

M UX

A LU

S h ifte r

STATU S

P A 3,P A 5

A C C LV R

PW M

PDC

P o rt D

PD

6 -C h a n n e l

A /D C o n v e rte r

PBC

P o rt B

PB

APN

APP

APO

L o w O ffs e t O P -a m p

PAC

P o rt A

PA

P D 0 /P W M 0

P D 1 /P W M 1

P D 2 /P C K

P D 3,P D 4

P D 5 /T M R

P D 6 /IN T

P B 0 /A N 0 ~ P B 5 /A N 5

P A 0~P A 2

P A 3 /P F D

P A 4~P A 7

Rev. 1.00

2

August 3, 2007

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