LE910Cx mPCIe Hardware Design Guide
1VV0301510 Rev. 13 Page 15 of 73 2021-07-07
SIMVCC
I/O External SIM signal – Power supply for
1.8 / 3V
External SIM signal - Data I/O
External SIM signal – Clock
External SIM signal – Reset
Serial data input (RX) from DTE
Serial data output (TX) to DTE
UART_RTS
O Output Request To Send signal (RTS) to
1.8V
UART_CTS
I Input for Clear To Send signal (CTS) from
1.8V
WAKE_N O
Active low output signal used to wake up
3.3V
W_DISABLE_N I
Active low signal for wireless disabling
3.3V
PERST_N I
Active low functional reset input to the
3.3V
VAUX_PWRMON O
Supply output for external accessories /
1.8V
LED_WWAN_N O
Active low, open drain signal for WWAN
LED driving, used to provide module’s
3.3V
I2C_SCL I/O I2C clock 1.8V
Internally Pull Up
I2C_SDA I/O I2C Data 1.8V
Internally PU 2.2kΩ
GPS_LNA_EN O
Enables the external regulator for GPS
1.8V