LAN9514_12 Datasheet, PDF (27/52 Pages) SMSC Corporation – USB 2.0 Hub and 10/100 Ethernet Controller

USB 2.0 Hub and 10/100 Ethernet Controller
Datasheet
Table 3.3 Hub Configuration (continued)
EEPROM
OFFSET
DESCRIPTION
35h
Port Swap Register (PRTSP)
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 = RESERVED
Bit 6 = RESERVED
Bit 5 = 1; Port 5 DP/DM is swapped
Bit 4 = 1; Port 4 DP/DM is swapped
Bit 3 = 1; Port 3 DP/DM is swapped
Bit 2 = 1; Port 2 DP/DM is swapped
Bit 1 = RESERVED
Bit 0 = 1; Upstream Port DP/DM is swapped
DEFAULT
00h
SMSC LAN9514/LAN9514i
27
DATASHEET
Revision 1.2 (02-29-12)