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CLM920_NC3_LTE Module hardware manual
Shanghai Yuge Information Technology co., LTD
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Table 3-8 RESET pin parameters
Symbol Description
Min
Typical
Max
Unit
Treset
Low pulse width
150
200
450
ms
VIH
RESET input high level voltage
1.17
1.8
2.1
V
VIL
RESET input low level voltage
-0.3
0
0.8
V
Reset RESET timing is as follows
:
Figure 3-10 Reset timing diagram
The CLM920 NC3 module supports AT command reset, and the AT command is
at+cfun=1,1 to restart the module. Detailed instructions can be found in the AT command set
manual.
3.5 USB interface
The USB interface of the CLM920 NC3 module provides a USB2.0 High-Speed
interface. The interface supports slave mode and does not support USB charging mode. USB
interface pins are defined as follows
:
Table 3-9 USB interface pin definition
Pin
Signal name
IO
Description
71
USB_VBUS
PI
USB detection
70
USB_DM
IO
USB differential signal -
69
USB_DP
IO
USB differential