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XR22417 Folha de dados(PDF) 7 Page - Exar Corporation

Nome de Peças XR22417
Descrição Electrónicos  USB 2.0 7-Port Hub
PDF  17 Pages
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Fabricante Electrônico  EXAR [Exar Corporation]
Página de início  http://www.exar.com
Logo EXAR - Exar Corporation

XR22417 Folha de dados(HTML) 7 Page - Exar Corporation

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XR
22417
7/17
REV1A
Figure 2. Functional Block Diagram
XR22417
USB Host
Downstream
Phy #1
Device #1
Device #2
. . .
Device #7
Downstream
Phy #2
. . .
Downstream
Phy #7
TT #1
Port Routing Switch
Downstream Port Controller
Upstream Phy
Upstream Port Controller
Hub
Controller
Overcurrent
Detection
Power
Control
3.3V to 1.8V
Regulator
Hub
Activity
Indicator
LED
Controller
Oscillator
PLL (x40)
Port
Indicators
12
MHz
480
MHz
5V to 3.3V
Regulator
TT #2
. . .
TT #7
Functional Block Diagram



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