M10 Hardware Design
S1
PWRKEY
TVS1
Close to S1
Figure 6: Turn on the module using keystroke
The power on scenarios illustrates as following figure.
VDD_EXT
（OUTPUT）
V
IL
<0.2*VBAT
V
IH
> 0.6*VBAT
Pulldown > 2000ms
Hiz
VBAT
PWRKEY
(INPUT)
Figure 7: Timing of turn on system
When power on procedure complete, the module will send out following result code to indicate
the module is ready to operate when set as fixed baud rate.
RDY
This result code does not appear when autobauding is active.
3.4.1.2 Turn on module using the RTC (Alarm mode)
Alarm mode is a power-on approach by using the RTC. The alert function of RTC makes the
module wake up while the module is power off. In alarm mode, the module will not register to
M10_HD_V1.00 - 25 -
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