4-Port USB 2.0 Hub Controller
Datasheet
Revision 1.63 (03-30-07) Page 34 SMSC USB20H04
DATASHEET
USB20H04
(Port 1)
Downstream V
BUS
Power Source
VDD3.3
Power Switch
OC Sense
IN
EN
OC
OUT
VBUS1_N
OCS1_N
GR1_N
AM1_N
USBDP1
USBDM1
V
BUS
D+
D-
Green Indicator
Amber Indicator
USB Type A
Connector
Figure 10.2 - USB Downstream Port Connection