LTE-A Module Series
EG06 Hardware Design
EG06_Hardware_Design 61 / 89
Table 27: Pin Definition of USB_BOOT Interface
The following figure shows a reference circuit of USB_BOOT interface.
Module
USB_BOOT
VDD_EXT
10K
Test point
TVS
Close to module
Figure 31: Reference Circuit of USB_BOOT Interface
Pin Name
Pin No.
I/O
Description
Comment
USB_BOOT
140
DI
Force the module to enter into
emergency download mode
1.8V power domain.
Active high.
If unused, keep it open.