LN920 HW Design Guide
1VV0301730 Rev. 1
Page 45 of 81
2021-08-11
Not Subject to NDA
40
UIM2_PRESENT
I
SIM2
detect
signal
1.8V
6.5.2.1.
SIM Schematic Example
The following diagrams illustrate how the application interface should be designed.
Note:
LN920 contains an internal pull-up resistor on SIMIO lines,
thus it is not necessary to install external pull-up resistors.
6.5.3.
Control Signals
The LN920 supports the following control signals:
•
W_DISABLE1#
•
GPS_DISABLE#
•
WOW#
•
WWAN_LED#
PIN
Signal
I/O
Function
Type
NOTE
8
W_DISABLE1#
I
RF disable
(airplane mode)
Internal VBATT
pull-up
