USB2517I-JZX Standard Microsystems (SMSC), USB2517I-JZX Datasheet - Page 47

• Manufacturer Part Number: USB2517I-JZX
• Manufacturer: Standard Microsystems (SMSC)

Specifications of USB2517I-JZX

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Package Type: QFN
• Mounting: Surface Mount
• Pin Count: 64
• Lead Free Status / Rohs Status: Compliant

USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x
8.2.1.30
NUMBER
BIT
7:0
Register FAh: Port Swap
BIT NAME
PRTSP
Port Swap: Swaps the Upstream and Downstream USB DP and DM Pins for
ease of board routing to devices and connectors.
‘0’ = USB D+ functionality is associated with the DP pin and D- functionality
is associated with the DM pin.
‘1’ = USB D+ functionality is associated with the DM pin and D- functionality
is associated with the DP pin.
Bit 7= Controls Port 7
Bit 6= Controls Port 6
Bit 5= Controls Port 5
Bit 4= Controls Port 4
Bit 3= Controls Port 3
Bit 2= Controls Port 2
Bit 1= Controls Port 1
Bit 0= When this bit is ‘1’, the upstream port DP/DM is swapped.
DATASHEET
47
DESCRIPTION
Revision 1.1 (04-26-10)