USB2660 Standard Microsystems Corp., USB2660 Datasheet - Page 45

• Manufacturer Part Number: USB2660
• Description: Ultra Fast Usb 2.0 Hub And Multi-format Flash Media Controller With Dual Sd Interfaces
• Manufacturer: Standard Microsystems Corp.

Ultra Fast USB 2.0 Hub and Multi-Format Flash Media Controller with Dual SD Interfaces
Datasheet
SMSC USB2660/USB2660i
8.4.4.11
8.4.4.12
BIT
BIT
7:0
7:0
E8h: Port Disable For Self-Powered Operation
E9h: Port Disable For Bus-Powered Operation
PORT_DIS_SP
PORT_DIS_BP
BYTE NAME
BYTE NAME
Disables 1 or more ports.
‘0’ = Port is available
‘1’ = Port is disabled
During self-powered operation
permanently disabled. The ports are unavailable to be enabled or
enumerated by a host controller. The ports can be disabled in any order
since 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= Controls physical port 3
Bit 2= Controls physical port 2
Bit 1= Controls physical port 1
Bit 0= Reserved
Disables 1 or more ports.
‘0’ = Port is available
‘1’ = Port is disabled
During self-powered operation
permanently disabled. The ports are unavailable 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.
When using the internal default option, the PRT_DIS[1:0] pins will disable the
appropriate ports.
Bit 7= Reserved
Bit 6= Reserved
Bit 5= Reserved
Bit 4= Reserved
Bit 3= Controls physical port 3
Bit 2= Controls physical port 2
Bit 1= Controls physical port 1
Bit 0 is Reserved
DATASHEET
45
,
DESCRIPTION
DESCRIPTION
th
this register selects the ports which will be
is register selects the ports which will be
Revision 1.0 (06-09-09)