Neoway N11 - RING Signal; Figure 3-16 Process of Exiting from Sleep Mode; Figure 3-17 RING Indicator for Incoming Call

N11
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
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Figure 3-16 shows the process of exiting from sleep mode.
Figure 3-16 Process of exiting from sleep mode
Sleep mode
MCU pulls SLEEP high
AT+ENPWRSAVE=0
End
UART enabled
Forbid sleep mode
Exits from sleep mode
3.3.3 RING Signal
⚫
Call: Once a voice call is coming, UART outputs "RING" character strings and meanwhile the
RING pin outputs 30 ms negative pulses at 5s period. After the call is answered, the high level
restores.
Figure 3-17 RING indicator for incoming call
5 s
30 ms
30 ms
⚫
SMS: Upon receipt of SMS, the module outputs a 35 ms negative pulse.
DTR