User's Manual

LTE Module BEC CBRS-12 User Manual
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3.11.1. Main UART Interface
The following table shows the main UART interface pin definition.
Table 12: Pin Definition of Main UART Interface
3.11.2. Debug UART Interface
The following table shows the Debug UART interface pin definition.
Table 13: Pin Definition of Debug UART Interface
3.11.3. BT UART Interface
The following table shows the BT UART interface pin definition.
Table 14: Pin Definition of the BT UART Interface
Pin Name Pin No. I/O Description Comment
CTS 56 DO Clear to send 1.8V power domain
RTS 57 DI Request to send 1.8V power domain
RXD 58 DI Receive data 1.8V power domain
DCD 59 DO Data carrier detection 1.8V power domain
TXD 60 DO Transmit data 1.8V power domain
RI 61 DO Ring indication 1.8V power domain
DTR 62 DI
Data terminal ready,
sleep mode control
1.8V power domain
Pin Name Pin No. I/O Description Comment
DBG_RXD 136 DI Receive data 1.8V power domain
DBG_TXD 137 DO Transmit data 1.8V power domain
Pin Name Pin No. I/O Description Comment