4-Port USB 2.0 Hub Controller

Datasheet

 

Downstream VBUS

 

USB Type A

 

 

Power Source

 

 

 

 

Connector

 

 

Power Switch

 

 

 

 

USB20H04

OC Sense

 

 

IN

OUT

VBUS

 

(Port 1)

 

VBUS1_N

EN

 

 

 

OC

 

 

 

 

 

 

D+

VDD3.3

OCS1_N

 

 

D-

 

USBDP1

 

 

 

 

 

 

 

USBDM1

 

 

 

 

AM1_N

 

Amber Indicator

 

GR1_N

 

Green Indicator

 

Figure 10.2 - USB Downstream Port Connection

Revision 1.63 (03-30-07)

Page 34

SMSC USB20H04

DATASHEET