LTE Standard Module Series
⚫
The host’s USB bus, which is connected with the mod
ule
’s USB interface,
enters Suspend state.
The following figure shows the connection between the module and the host.
USB_VBUS
USB_DP
USB_DM
AP_READY
VDD
USB_DP
USB_DM
GPIO
Module
Host
GND
GND
Figure 3: Sleep Mode Application with USB Remote Wakeup
⚫
Sending data to the module through USB will wake up the module.
⚫
When the module has a URC to report, the module will send remote wakeup signals via USB bus to
wake up the host.
The AP_READY is active low and the default state is high.
NOTE