Table of Contents
Advertisement
The USB1 interface of the module supports OTG function. If you need this function, follow the design
below to add an external 5 V power supply, which can provide 500 mA current.
VBAT
C1
10 μF
GPIO_87
The following table shows the pin definition of USB2.
Table 11: Pin Definition of USB2 Interface
Pin Name
Pin No.
HUB_USB_DP
173
HUB_USB_DM
174
HUB_USB_DM
HUB_USB_DP
Module
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
L1
1.0 μH
4
5
1
R1
10K
Figure 12: Reference Design for USB1 Power Supply
I/O
Description
USB differential data bus (+) USB 2.0 standard compliant.
AIO
AIO
USB differential data bus (-)
USB_VBUS2
C1
D1
ESD ESD ESD
100 nF
GND
Figure 13: Reference Design for USB2 Interface
AW3605DNR
SW
7
VOUT
8
VOUT
VIN
EN
6
NC
Comment
90 Ω differential impedance.
Supports USB host mode only and
supports USB hub.
1
USB_VBUS2
2
HUB_USB_DM
3
HUB_USB_DP
4
USB_ID
5
D2
D3
GND
Smart Module Series
USB_VBUS
C2
22 μF
41 / 111
Advertisement
Table of Contents
