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FIBOCOM SU806 Series Hardware Guide
Page 33 of 91
Table 3-6 USB2.0 pin definition
Pin Name
Pin
Number
I/O
Description
Note
USB_VBUS
141,142
PI
USB VBUS 5V input
-
USB_DP
14
AI/AO
USB HS data +
-
USB_DM
13
AI/AO
USB HS data -
-
USB_ID
16
DI
USB OTG detection
-
The reference design of USB2.0 is show as follow figure:
Connector
VBUS
DM
DP
ID
GND
Module
USB_DM
USB_DP
USB_ID
USB_VBUS
1
uF
Figure 3-8 USB2.0 reference design