ADLINK LittleBoard 735 - Manual (Page 39)

Chapter 3 Hardware
LittleBoard 735 Reference Manual 33
USB0 and USB1
Table 3-10 lists the USB0 and USB1 pin signals which use 10 pins, 2 rows, odd/even sequence (1, 2) with
0.079" (2mm) pitch.
Note: The shaded table cells denote power or ground.
USB2 and USB3
Table 3-11 lists the USB2 and USB3 pin signals which use 10 pins, 2 rows, odd/even sequence (1, 2) with
0.079" (2mm) pitch.
Note: The shaded table cells denote power or ground.
CAUTION ADLINK does not recommend connecting a USB boot device to the
LittleBoard 735 through an external hub. Instead, connect the USB boot
device directly to the LittleBoard 735.
Table 3-10. USB 0 & 1 Interface Pin Signals (J44)
Pin # Signal Description
1 USBPWR0 +5 volts power, USB 0
2 USBPWR1 +5 volts power, USB 1
3 USB0- USB 0 Data Negative
4 USB1- USB 1 Data Negative
5 USB0+ USB 0 Data Positive
6 USB1+ USB 1 Data Positive
7 USB GND0 USB 0 Ground
8 USB GND1 USB 1 Ground
9 USB GND0 USB 0 Ground
10 USB GND1 USB 1 Ground
Table 3-11. USB 2 & 3 Interface Pin Signals (J14)
Pin # Signal Description
1 USBPWR2 +5 volts power, USB 2
2 USBPWR3 +5 volts power, USB 3
3 USB2- USB 2 Data Negative
4 USB3- USB 3 Data Negative
5 USB2+ USB 2 Data Positive
6 USB3+ USB 3 Data Positive
7 USB GND2 USB 2 Ground
8 USB GND3 USB 3 Ground
9 USB GND2 USB 2 Ground
10 USB GND3 USB 3 Ground