20H04 Datasheet, PDF (35/38 Pages) SMSC Corporation – 4-PORT USB2.0 HUB CONTROLLER

4-Port USB2.0 Controller
Datasheet
OFFSET
6
FIELD NAME
HubContrCurrent
7
DeviceRemovable
8
PortPwrCtrlMask
VALUE
user
user
FFh
DESCRIPTION
Maximum current requirements of the hub
controller electronics in mA. Derived from OEM
value.
Indicates if port has a removable device attached.
Derived from OEM value.
Field for backwards USB 1.0 compatibility.
SMSC USB20H04
Page 35
DATASHEET
Revision 1.63 (10-14-04)