Telit Wireless Solutions LE910C1-NS - Page 29

LE910Cx Hardware Design Guide
1VV0301298 Rev.40 Page 29 of 149 2023-03-16
Not Subject to NDA
PAD Signal I/O Function Type Comment
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
This power rail is always on while
LE910Cx is working.
1.8V
B1 ADC_IN1 AI Analog/Digital Converter Input 1 Analog
H4 ADC_IN2 AI Analog/Digital Converter Input 2 Analog
D7 ADC_IN3 AI Analog/Digital Converter Input 3 Analog
SGMII Interface
E4 SGMII_RX_P AI SGMII receive – plus PHY
F4 SGMII_RX_M AI SGMII receive – minus PHY
D5 SGMII_TX_P AO SGMII transmit – plus PHY
D6 SGMII_TX_M AO SGMII transmit - minus PHY
HSIC Interface
A12 HSIC_DATA I/O
High-speed inter-chip interface -
data
1.2V Optional
A11 HSIC_STB I/O
High-speed inter-chip interface -
strobe
1.2V Optional
I2C Interface
B11 I2C_SCL I/O I2C clock 1.8V
Internally PU
2.2k
Ω
to 1.8V
B10 I2C_SDA I/O I2C Data 1.8V
Internally PU
2.2k
Ω
to 1.8V
Power Supply
M1 VBATT - Main Power Supply (Digital Section) Power
M2 VBATT - Main Power Supply (Digital Section) Power
N1 VBATT_PA - Main Power Supply (RF Section) Power
N2 VBATT_PA - Main Power Supply (RF Section) Power