2.4.4
USB 3.0 Connector
EI-52 supports four USB 3.0 interfaces, which support Plug-and-Play functionality
and hot swapping for up to 127 external devices. The USB interfaces comply with
USB UHCI, Rev. 3.0.
USB 3.0 connectors contain legacy pins to interface to USB 2.0 devices and a new
set of pins for USB 3.0 connectivity.
Table 2.5: USB Connector Pin Definition
Pin
1
2
3
4
5
6
7
8
9
2.4.5
Audio Connector
EI-52 features one phone jack connectors that support stereo Line Out and Mic In
audio ports. The audio chip is controlled by ALC888S and compliant with the Azalea
standard.
Table 2.6: Audio Connector Pin Definition
Pin
1
2
EI-52 User Manual
Figure 2.3 USB Connector
Signal Name
+5V
D-_0
D+_0
GND
USB0_SSRX-
USB0_SSRX+
GND
USB0_SSTX-
USB0_SSTX+
Figure 2.4 Audio Connector
Signal Name
Mic In
Line Out
12