HT82M23A datasheet(2/14 Pages) HOLTEK

Part #	HT82M23A

Description	3/5-Key USBPS/2 Optical Mouse Controller

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Manufacturer	HOLTEK [Holtek Semiconductor Inc]

Direct Link	http://www.holtek.com

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2 / 14 page

Block Diagram

Pin Assignment

HT82M23A/HT82M23B/HT82M23C

Rev. 1.10

2

January 22, 2007

V S S

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

R E S E T

S E L 1

S D I O

S C L K

S E L 0

R B 0

O S C 1

O S C 2

V D D

L E D

M

R

L

Z 2

Z 1

R B 1

H T 8 2 M 2 3 A

2 0 D I P - A / S O P - A

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 2

1 1

1

2

3

4

5

6

7

8

9

1 0

1 8

1 7

1 6

1 5

1 4

1 3

1 2

1 1

1 0

1

2

3

4

5

6

7

8

9

H T 8 2 M 2 3 B / H T 8 2 M 2 3 C

1 8 D I P - A / S O P - A

V S S

V 3 3 O

U S B D + / C L K

U S B D - / D A T A

R E S E T

S E L 1

S D I O

S C L K

S E L 0

O S C 1

O S C 2

V D D

L E D

M

R

L

Z 2

Z 1

U S B

T r a n s c e i v e r

U S B

R e c e i v e r

U S B

T r a n s m i t t e r

V o l t a g e

R e g u l a t o r

C l o c k

G e n e r a t o r

R C

R E S E T

R e g i s t e r

S e t

M a i n

S t a t e m a c h i n e

S u s p e n s i o n

C o n t r o l

U S B S e r i a l

I n t e r f a c e E n g i n e

( S I E )

a n d

C o n t r o l

L o g i c

H o l t e k

8 - b i t

M i c r o c o n t r o l l e r

F I F O s ´ 2

U S B D +

U S B D -

V 3 3 O

O S C 1

O S C 2

V D D

V S S

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HT82M23A Datasheet(PDF) 2 Page - Holtek Semiconductor Inc

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