Telit Wireless Solutions LE910C1-NS - Page 15

LE910Cx mPCIe Hardware Design Guide
1VV0301510 Rev. 13 Page 15 of 73 2021-07-07
Not Subject to NDA
Pin
Signal
I/O
Function
Type
Comment
SIM Card Interface
8
SIMVCC
I/O External SIM signal – Power supply for
the SIM
1.8 / 3V
10
SIMIO
I/O
External SIM signal - Data I/O
1.8 / 3V
12
SIMCLK
O
External SIM signal – Clock
1.8 / 3V
14
SIMRST
O
External SIM signal – Reset
1.8 / 3V
UART
3
UART_RX
I
Serial data input (RX) from DTE
1.8V
5
UART_TX
O
Serial data output (TX) to DTE
1.8V
17
UART_RTS
O Output Request To Send signal (RTS) to
DTE
1.8V
19
UART_CTS
I Input for Clear To Send signal (CTS) from
DTE
1.8V
Miscellaneous Functions
1
WAKE_N O
Active low output signal used to wake up
the system from stand-by
3.3V
20
W_DISABLE_N I
Active low signal for wireless disabling
(Flight mode)
3.3V
22
PERST_N I
Active low functional reset input to the
card
3.3V
28
VAUX_PWRMON O
Supply output for external accessories /
Power ON monitor
1.8V
42
LED_WWAN_N O
Active low, open drain signal for WWAN
LED driving, used to provide module’s
status indication
3.3V
30
I2C_SCL I/O I2C clock 1.8V
Internally Pull Up
2.2kΩ to 1.8V
32
I2C_SDA I/O I2C Data 1.8V
Internally PU 2.2kΩ
to 1.8V
48
GPS_LNA_EN O
Enables the external regulator for GPS
LNA
1.8V
Reserved
6
Reserved
-
7
Reserved
-
11
Reserved
-
13
Reserved
-
23
Reserved
-