USB3503 Datasheet, PDF (31/82 Pages) SMSC Corporation – USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications

USB 2.0 HSIC High-Speed Hub Controller Optimized for Portable Applications
Datasheet
5.3.10
Register 09h: Non-Removable Device - NRD
Default = 0x00h
BIT NUMBER
7:0
BIT NAME
DESCRIPTION
NR_DEVICE Non-Removable Device: Indicates which port(s) include non- removable devices.
‘0’ = port is removable
‘1’ = port is non- removable.
Informs the Host if one of the active physical ports has a permanent device that
is undetachable from the Hub. (Note: The device must provide its own descriptor
data.)
Bit 7= Reserved
Bit 6= Reserved
Bit 5= Reserved
Bit 4= Reserved
Bit 3= Port 3 non-removable.
Bit 2= Port 2 non-removable.
Bit 1= Port 1 non removable.
Bit 0= Reserved
5.3.11
Register 0Ah: Port Disable For Self Powered Operation - PDS
Default = 0x00h
BIT NUMBER BIT NAME
DESCRIPTION
7:0
PORT_DIS_SP Port Disable, Self-Powered: Disables 1 or more ports.
‘0’ = port is available
‘1’ = port is disabled.
During Self-Powered operation and PRTMAP_EN = ‘0’, this selects the ports
which will be permanently disabled, and are not available to be enabled or
enumerated by a Host Controller. The ports can be disabled in any order, the
internal logic will automatically report the correct number of enabled ports to the
USB Host, and will reorder the active ports in order to ensure proper function.
Bit 7= Reserved
Bit 6= Reserved
Bit 5= Reserved
Bit 4= Reserved
Bit 3= Port 3 Disable.
Bit 2= Port 2 Disable.
Bit 1= Port 1 Disable.
Bit 0= Reserved
SMSC USB3503A
31
DATASHEET
Revision 1.1 (02-07-13)