User's Manual

LTE Module Series
EC25-V User Manual
EC25-V_User_Manual Confidential / Released 43 /
69
Table 19: Pin Definition of STATUS
Pin Name
Pin No.
I/O
Description
Comment
STATUS
61
OD
Indicate the module operation status
Require external pull-up
The following figure shows different design circuit of STATUS, you can choose either one according to
your application demands.
VDD_MCU
10K
Module
STATUS MCU_GPIO
Module
STATUS
VBAT
2.2K
Figure 26: Reference Circuit of the STATUS
3.16. Behavior of the RI
You can use command AT+QCFG=“risignaltype”,“physical” to configure RI behavior.
No matter which port URC is presented on, URC will trigger the behavior on RI pin.
URC can be output from UART port, USB AT port and USB modem port by command AT+QURCCFG.
The default port is USB AT port.
In addition, RI behavior can be configured flexibly. The default behavior of the RI is shown as below.
NOTE