Quectel EM05 Hardware Design page 26

A reference circuit is shown in the following figure.
The turn on scenario is illustrated in the following figure.
VCC
RESET_N
FUL_CARD_POWER_OFF#
Module State
NOTE
Please make sure that VCC is stable before pulling up FUL_CARD_POWER_OFF# pin. The time
between them is no less than 30ms.
EM05_Hardware_Design
1.8V/3.3V
10K
FUL_CARD_POWER_
OFF#
Figure 9: Turn on the Module Automatically
NOTE
V ≥1.19V
IH
V ≤0.2V
IL
OFF
Figure 10: Timing of Turning on Module
Confidential / Released
Module
≥12s
Booting
LTE Module Series
EM05 Hardware Design
Active
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