LTE-A Module Series
EM160R-GL_Hardware_Design 26 / 73
3.4. Turn On, Turn Off and Reset Scenarios
3.4.1. Turn On
Pulling up the FULL_CARD_POWER_OFF# pin will turn on the module.
Table 7: Pin Definition of FULL_CARD_POWER_OFF#
It is recommended to use a host GPIO to turn on the module by pulling up FULL_CARD_POWER_OFF#.
A simple reference circuit is illustrated in the following figure.
Host
Module
FULL_CARD_POWER_OFF#
PMU
GPIO
6
1.8 V or 3.3 V
NOTE:
The voltage of pin 6 should be not less than 1.19 V when it is at high level.
R1
100K
G
S
D
Figure 6: Turn on the Module with a Host GPIO
The turn-on timing is illustrated in the following figure.
VCC(H)
RESET#
Module turn-on
Module Status
FULL_CARD_
POWER_OFF#
T2
1.8 V
3.7 V
T1
V
IH
≥
1
.19 V
OFF
Booting
Active
ANT_CONFIG
PERST#
T4
T5
PCIE_REFCLK
T3
Pin Name
Pin No.
Description
Comment
FULL_CARD_POWER_OFF#
6
Turn on/off the module
Internally pulled down with a
100 kΩ resistor.