User's Guide

LE910Cx HW User Guide
Doc#: 1VV0301298
Rev. 13.0 Page 24 of 124 2019-06-07
3. Module Connections
Pin-out
Table 6: Pin-out
PAD Signal I/O Function Type Comment
USB HS 2.0 Communication Port
B15 USB_D+ I/O USB differential Data (+)
C15 USB_D- I/O USB differential Data (-)
A13 USB_VBUS AI
Power sense for the internal
USB transceiver
Power
A14 USB_ID AI USB ID
See note
below
Asynchronous UART
N15 C103/TXD I
Serial data input (TXD) from
DTE
1.8V
M15 C104/RXD O Serial data output to DTE 1.8V
L14 C105/RTS I
Input for Request to send
signal (RTS) from DTE
1.8V
P15 C106/CTS O
Output for Clear to send signal
(CTS) to DTE
1.8V
P14 C107/DSR O
Output for Data Set Ready
(DSR) to DTE
1.8V
Alternate Fn
GPIO_32
M14 C108/DTR I
Input for Data Terminal Ready
(DTR) from DTE
1.8V
Alternate Fn
GPIO_34
N14 C109/DCD O
Output for Data Carrier Detect
(DCD) to DTE
1.8V
Alternate Fn
GPIO_33
R14 C125/RING O
Output for Ring Indication (RI)
to DTE
1.8V
Alternate Fn
GPIO_31
SPI – Serial Peripheral Interface / AUX UART
F15 SPI_CLK O SPI Clock output 1.8V
E15 SPI_MISO/ RX_AUX I
SPI data Master Input Slave
output / RX_AUX
1.8V
D15 SPI_MOSI/TX_AUX O
SPI data Master Output Slave
input/ TX_AUX
1.8V
H14 SPI_CS/GPIO11 O
SPI Chip select output /
GPIO11
1.8V
See note
below