User's Guide

LE910Cx HW User Guide
Doc#: 1VV0301298
Rev. 13.0 Page 27 of 124 2019-07-15
PAD
Signal
I/O
Function
Type
Comment
B14
GPIO_05
I/O
GPIO_05
1.8V
Alternate Fn
I2C
C12
GPIO_06
I/O
GPIO_06
1.8V
Alternate Fn
I2C
C13
GPIO_07
I/O
GPIO_07
1.8V
Alternate Fn
I2C
K15
GPIO_08
I/O
GPIO_08 / SW_RDY
1.8V
Alternate Fn
I2C
L15
GPIO_09
I/O
GPIO_09
1.8V
Alternate Fn
I2C
G15
GPIO_10
I/O
GPIO_10
1.8V
Alternate Fn
I2C
RF Section
K1
Antenna
I/O
GSM/EDGE/UMTS/LTE Main
antenna (50 Ohm)
RF
F1
ANT_DIV
I
UMTS/LTE antenna diversity
input (50 Ohm)
RF
GPS Section
R9
ANT_GPS
I
GPS antenna (50 Ohm)
RF
R7
GPS_LNA_EN
O
Enables the external regulator
for GPS LNA
1.8V
N9
GPS_SYNC
O
GPS sync signal for Dead
Reckoning
1.8V
Miscellaneous Functions
R12
ON_OFF_N
I
Power ON / Power OFF input
Active low
R13
HW_SHUTDOWN_N
I
Unconditional Shutdown input
Active low
R11
VAUX/PWRMON
O
Supply output for external
accessories /
Power ON monitor
1.8V
E13
VIO_1V8
O
IO voltage for internal ICs
It should be turned off
1.8V
B1
ADC_IN1
AI
Analog/Digital Converter Input
1
Analog
H4
ADC_IN2
AI
Analog/Digital Converter Input
2
Analog