SMSC USB20H04 Manual De Usuario

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 4-Port USB 2.0 Hub Controller 
 
Datasheet  
Revision 1.63 (03-30-07) 
Page 32 
SMSC USB20H04 
 
DATASHEET
 
 
OFFSET FIELD 
NAME VALUE 
DESCRIPTION 
HubContrCurrent 
user Maximum 
current 
requirements of the hub 
controller electronics in mA. Derived from OEM 
value. 
DeviceRemovable 
user 
Indicates if port has a removable device attached. 
Derived from OEM value. 
PortPwrCtrlMask 
FFh 
Field for backwards USB 1.0 compatibility.