HT82M23A データシートの表示（PDF） - Holtek Semiconductor

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HT82M23A

3/5-Key USB+PS/2 Optical Mouse Controller

Holtek Semiconductor 

Block Diagram

USBD+

USBD-

V 33O

O SC1

O SC2

USB

T r a n s c e iv e r

USB

R e c e iv e r

USB

T r a n s m itte r

V o lta g e

R e g u la to r

C lo c k

G e n e ra to r

RC

RESET

HT82M23A/HT82M23B/HT82M23C

R e g is te r

S et

U S B S e r ia l

In te r fa c e E n g in e

(S IE )

and

C o n tro l

L o g ic

H o lte k

8 - b it

M ic r o c o n tr o lle r

M a in

S ta te m a c h in e

F IF O s ´ 2

S u s p e n s io n

VDD

C o n tro l

VSS

Pin Assignment

VSS

V 33O

U S B D + /C L K

U S B D - /D A T A

RESET

S E L1

S D IO

S C LK

S E L0

RB0

1

20 O S C 1

2

19 O S C 2

3

18 V D D

4

17 LE D

5

16 M

6

15 R

7

14 L

8

13 Z2

9

12 Z1

10

11 R B 1

H T82M 23A

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

VSS

1

V 33O

2

U S B D + /C L K

3

U S B D - /D A T A

4

RESET 5

S E L1 6

S D IO

7

S C LK

8

S E L0 9

18 O S C 1

17 O S C 2

16 V D D

15 LE D

14 M

13 R

12 L

11 Z2

10 Z1

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

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

Rev. 1.10

2

January 22, 2007

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