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USB2512I Просмотр технического описания (PDF) - SMSC -> Microchip
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USB2512I
Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
SMSC -> Microchip
USB2512I Datasheet PDF : 37 Pages
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Industrial Temperature Rated USB 2.0 High-Speed 2-Port Hub Controller
Datasheet
Chapter 2 Block Diagram
To Upstream
V
BUS
Upstream USB
D a ta
24 M Hz Crystal
3.3V
1.8V
To EEPROM or
SM Bus M aster
SD SCK
B u s -P o w er
D e te c t/V
BUS
P u ls e
U p s tre a m
PHY
R e p e a te r
PLL
1.8V Reg
S IE
S e ria l
Interface
C o n tro lle r
TT
Port
C o n tro lle r
Routing & Port Re-Ordering Logic
PHY#1
Port #1
OC
Sense
S w itch
D riv e r
LED
D rive rs
PHY#2
Port #2
OC
Sense
S w itc h
D riv e r
LED
D rivers
USB Data
OC Sense
Downstream
Switch/LED
D rive rs
USB Data
OC Sense
Downstream
Switch/LED
D riv e rs
Figure 2.1 USB2512i Block Diagram
SMSC USB2512i
7
DATASHEET
Revision 1.92 (11-28-07)
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