User's Manual

Doc Title Wireless Smart Audio Module-A98ML Specification
Number
WMB20180515
Version
0.4
Document No.: WMB20180428 Page 14 of 19
Connector I-PEX or populate directly
Table 2-5 External Antenna Parameters for A98ML
2.4. ower on Sequence
2.6 USB OTG Port
Please follow the design rule below to populate the USB host interface:
Item Parameter
Signal Group USB
Topology Differential Pair Point-to-Point
Reference Plane Ground Referenced
Characteristic Trace Impedance (Zo) 90 Ω ±10%