HT47C20L datasheet(2/55 Pages) HOLTEK

Il numero della parte	HT47C20L

Spiegazioni elettronici	8-Bit Microcontroller

PDF	55 Pages

Scroll/Zoom	100%

Produttore elettronici	HOLTEK [Holtek Semiconductor Inc]

Homepage	http://www.holtek.com

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2 / 55 page

Block Diagram

HT47C20L

January 18, 2000

PB 0 / I N T

P r ogr am

C ount e r

P r ogr am

RO M

I n st r u ct i o n

R egi s t er

I n st r u ct i o n

D e c oder

Ti m i n g

G ene r a t o r

OS C 2

OS C 1

RE S

VD D

VS S

In t e r r u pt

Ci r c u i t

IN T C

MU X

DA T A

Me m o r y

AL U

S h i fte r

ST AT U S

AC C

Po r t A

PA0 / B Z

Ti m e r A

3276 8H z

( a l w ay s on)

Po r t B

PB 2 / T M R

PA2

PA 3 / PF D

PA 4 ~ P A 7

PA1 / B Z

PB 1

PB 3

PB0 / I N T

R eal T i m e C l o c k

LC D

Me m o r y

L C D Dr i v e r

CO M 0 ~

CO M 2

CO M 3 /

SEG 1 9

SE G 0 ~

SE G 1 8

Ti m e B a s e

WD T

Ti m e r B

S yst e m C l o ck

RT C O u t pu t

PB 2 / T M R

PF D

IN 0

CS 0

RS 0

CRT 0

RT 0

IN 1

CS 1

RS 1

RT 1

Ty pe

A/ D

C onv er t e r

A / D Cl o c k

PB 3 / PF D

D oubl e

V o l t age

V1 V2 V3

ST AC K0

ST AC K1

ST AC K2

ST AC K3

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