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FIBOCOM SC138-
NA
Series Hardware Guide
43/88
C onnector
V B U S
D M
D P
ID
G N D
M odule
U S B _D M
U S B _D P
U S B _ID
V B U S _D E T
4
V
G N D
10K Ω
Figure 3-8 USB 2.0 interface reference circuit design
C onnector
V B U S
D M
D P
ID
G N D
M odule
U S B _D M
U S B _D P
U S B _ID
V B U S _D E T
V B A T
DC-DC
G P IO
10K Ω
4
V
G N D
Figure 3-9 USB 2.0 interface reference circuit design (with OTG functions)
The reference circuit design of USB 3.0 (Type-C) interfaces is shown in the following figure:
