
Datasheet
1.2OEM Selectable Features
The
Operation as a
Configure downstream facing port power switching on an individual or ganged basis.
Configure downstream facing port
Enable downstream facing port LED indicators.
Select multiple or single transaction translator mode.
Select whether the hub is part of a compound device (when any downstream facing port is permanently hardwired to a USB peripheral device, the hub is part of a compound device).
Select the presence of a permanently hardwired USB peripheral device on a port by port basis.
Enable downstream facing ports a port by port basis.
Enable EOP generation of EOF1 when operating in
Enable USB
Configure the delay time for filtering the
Configure the delay time until port power is good after the SetPortPower command is received.
Indicate the maximum current that the
Indicate the maximum current required for the hub controller.
1.3Pin Selectable Options to the Default Configuration
The USB20H04 includes a default configuration for those applications where an external EEPROM or SMBus device is not available to provide the configuration. This configuration may be adequate in some applications. A pin selectable feature supports configuration as either a
Revision 1.63 | Page 6 | SMSC USB20H04 |
DATASHEET