USB2512I SMSC Corporation, USB2512I Datasheet - Page 7

• Manufacturer Part Number: USB2512I
• Description: Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
• Manufacturer: SMSC Corporation

Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
Datasheet
Chapter 2 Block Diagram
SMSC USB2512i
D e te c t/V
B u s -P o w e r
T o U p stre a m
P u ls e
V
B U S
B U S
U S B D a ta
D ow n strea m
P H Y # 1
U p s tre a m
U p stre a m U S B
R e p e a te r
R o u tin g & P o rt R e -O rd e rin g L o g ic
P H Y
D a ta
P o rt # 1
S w itch /LE D
D rive rs
O C S e nse
S w itch
S en se
D riv er
Figure 2.1 USB2512i Block Diagram
L E D
D rive rs
O C
3 .3 V
DATASHEET
2 4 M H z C rysta l
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1 .8 V R e g
P L L
S IE
U S B D a ta
D ow n strea m
P H Y # 2
T T
1 .8 V
P o rt # 2
S w itch/L E D
O C S en se
D rivers
S w itc h
S en s e
D rive r
L E D
D rivers
O C
T o E E P R O M o r
S M B u s M a ste r
C o n tro lle r
C o n tro lle r
In te rfa c e
S e ria l
P o rt
Revision 1.92 (11-28-07)
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