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USB20H04-JD Datasheet(PDF) 7 Page - SMSC Corporation

Part # USB20H04-JD
Description  4-PORT USB 2.0 HUB CONTROLLER
PDF  35 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB20H04-JD Datasheet(HTML) 7 Page - SMSC Corporation

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4-Port USB 2.0 Controller
Datasheet
SMSC USB20H04
Page 7
Revision 1.63 (03-30-07)
DATASHEET
Chapter 2
Functional Block Diagram
To Upstream
V
BUS
Upstream
PHY
Upstream
USB Data
Repeater
Controller
SIE
Serial
Interface
PLL
24 MHz
Crystal
To EEPROM or
SMBus Master
Routing Logic
SCK
SD
TT
#1
TT
#2
TT
#3
TT
#4
Port
Controller
Downstream
PHY #1
Port #1
OC Sense
Switch Driver
LED Drivers
Downstream
PHY #4
Port #4
OC Sense
Switch Driver
LED Drivers
Downstream
USB Data
OC
Sense
Switch/LED
Drivers
Downstream
USB Data
OC
Sense
Switch/LED
Drivers
Bus-Power
Detect/
V
BUS Pulse
Pin
Selectable
Options
Internal
Configuration
Select
Figure 2.1 - Block Diagram



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