3.8. USB Interface

The Nothbridge provides a SMC bus interface to an external Philips ISP1761 USB 2.0 controller. Three USB interfaces are provided on the baseboard,

USB port 1 provides a Full Speed OTG device interface and connects to the mini USB A-Type connector on the front panel of the enclosure. See Figure 3.2 for the location of the connector.

USB ports 2 and USB port 3 are Full Speed implementations that can function in either master or slave mode and connect to the dual A-Type connector on the rear panel of the enclosure. See Figure 3.3 for the location of the connectors (USB port 2 is the top connector).

The physical interface provided by the PB-A8 is shown in Figure A.12.

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