SMSC USB2512Ai ユーザーズマニュアル

Industrial Temperature Rated USB 2.0 Hi-Speed 2-Port Hub Controller

Datasheet

SMSC USB2512Ai

Revision 1.97 (08-11-08)

DATASHEET

Chapter 2 Block Diagram

Figure 2.1 USB2512Ai Block Diagram

T o U p s tre a m

B U S

3 .3 V

U p s tre a m

P H Y

U p s tre a m U S B

D a ta

R e p e a te r

C o n tro lle r

S IE

S e ria l

In te rfa c e

P L L

2 4 M H z C ry s ta l

T o E E P R O M o r

S M B u s M a s te r

R o u tin g & P o rt R e -O rd e rin g L o g ic

S C K

S D

T T

P o rt

C o n tro lle r

B u s -P o w e r

D e te c t/V

B U S

P u ls e

1 .8 V

1 .8 V R e g

P H Y # 1

P o rt # 1

O C

S e n s e

S w itc h

D riv e r

L E D

D riv e rs

P H Y # 2

P o rt # 2

O C

S e n s e

S w itc h

D riv e r

L E D

D riv e rs

U S B D a ta

D o w n stre a m

O C S e n se

S w itch /L E D

D rive rs

U S B D a ta

D o w n stre a m

O C S e n se

S w itch /L E D

D rive rs