Neoway N75 - Figure 3-59 Incoming Call Service Process; Figure 3-60 Outgoing Call Service Process; Figure 3-61 Process of Exiting from Sleep Mode

N75
Hardware User Guide
Copyright © Neoway Technology Co., Ltd
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Figure 3-59 Incoming call service process
Figure 3-60 Outgoing call service process
Figure 3-61 Process of exiting from sleep mode
Sleep mode
MCU pulls DTR high
AT+ENPWRSAVE=0
End
UART enabled
Forbid sleep mode
Exits from sleep mode
Sleep mode
MCU detects
information from
UART?
MCU pulls SLEEP pin to
high
End
Enable UART and
process services
MCU pulls SLEEP pin to
low
Wait till services
are processed
Complete service
procesing?
Y
Y
N
N
Sleep mode
Initiate an outgoing
service
MCU pulls SLEEP pin
high
Enable UART and process
outgoing service
Wait till service is
processed
Complete service
processing?
End
MCU pulls SLEEP pin
low
N
Y
DTR
DTR
DTR
DTR
DTR