User's Guide

LE910Cx HW User Guide
Doc#: 1VV0301298
Rev. 13.0 Page 24 of 124 2019-07-15
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