LE910C1 Hardware User Guide
1VV0301298 Rev. 1.08 - 2017-11-14
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3. LE910C1 Module Connections
3.1. Pin-out
Table 5: LE910C1 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
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