Ultra Fast USB 2.0
7.3.3.30F1h: Port Swap
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NUMBER | BYTE NAME | DESCRIPTION |
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7:0 | PRT_SWP | Port Swap: Swaps the Upstream and Downstream USB DP and DM Pins for |
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| ease of board routing to devices and connectors. |
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| ‘0’ = USB D+ functionality is associated with the DP pin and D- functionality |
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| is associated with the DM pin. |
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| ‘1’ = USB D+ functionality is associated with the DM pin and D- functionality |
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| is associated with the DP pin. |
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| Bit 7= Reserved |
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| Bit 6= Reserved |
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| Bit 5= Reserved |
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| Bit 4= Reserved |
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| Bit 3= ‘1’; Port 3 DP/DM is swapped |
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| Bit 2= ‘1’; Port 2 DP/DM is swapped |
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| Bit 1= Reserved |
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| Bit 0= ‘1’:Upstream Port DP/DM is swapped |
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Revision 2.0 | 44 | SMSC USB2640/USB2641 |
| DATASHEET |
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