Application Interfaces; Usb Interfaces - Quectel SG865W Series Hardware Design

4

Application Interfaces

4.1. USB Interfaces

USB0 interface:
⚫
Compliant with the USB 3.1 Gen 2 and USB 2.0 specifications
⚫
Supports USB OTG function
⚫
Supports host and device modes
⚫
Used for AT command communication, data transmission, software debugging and firmware upgrade
⚫
Supports DisplayPort V1.4 over Type-C
USB1 interface:
⚫
Compliant with the USB 3.1 Gen 2 and USB 2.0 specifications
⚫
Supports host mode only
⚫
Supports USB hub expansion
The following table shows the pin definition of USB0 and USB1 interfaces.
Table 11: Pin Definition of USB0 and USB1 Interfaces
Pin Name
USB_VBUS
USB0_DP
USB0_DM
USB0_SS0_RX_P
USB0_SS0_RX_M
USB0_SS0_TX_P
SG865W_Series_Hardware_Design
Pin No. I/O Description
499, 500, Charging power input;
502, 503, PIO Power supply for OTG device;
504 USB/adaptor insertion detection
442 AIO USB0 2.0 differential data (+)
436 AIO USB0 2.0 differential data (-)
USB0 3.1 channel 0 SuperSpeed
412 AI
receive (+)
USB0 3.1 channel 0 SuperSpeed
413 AI
receive (-)
USB0 3.1 channel 0 SuperSpeed
406 AO
transmit (+)
Smart Module Series
Comment
90 Ω differential
impedance.
USB 2.0 standard
compliant.
90 Ω differential
impedance.
USB 3.1 standard
compliant.
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