Chapter 3 Signals and Pinout Tables
30 Reference Manual COM830
Table 3-8. USB Signal Descriptions
Signal Description I/O PU/PD Comment
USB0+ USB Port 0, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB0- USB Port 0, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB1+ USB Port 1, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB1- USB Port 1, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB2+ USB Port 2, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB2- USB Port 2, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB3+ USB Port 3, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB3- USB Port 3, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB4+ USB Port 4, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB4- USB Port 4, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB5+ USB Port 5, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB5- USB Port 5, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB6+ USB Port 6, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB6- USB Port 6, data - or D- I/O USB 2.0 compliant and
backwards compatible
to USB 1.1
USB7+ USB Port 7, data + or D+ I/O USB 2.0 compliant and
backwards compatible
to USB 1.1