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NOTE
"*" means under development.
3.6.4. UART Interface
FG50V supports an HCI UART as defined in Bluetooth Core Specification Version 4.0. In addition, the UART
interface also supports software (in-band) sleep control of Bluetooth with Quectel RG50xQ series. You can also
choose other 5G modules upon validation tests. If you have any questions, please contact Quectel Technical
Support.
The following table shows the pin definition of UART interface.
Table 11: Pin Definition of UART Interface
Pin Name
Pin No.
BT_RTS
77
BT_CTS
38
BT_TXD
39
BT_RXD
78
FG50V_Hardware_Design
Figure 7: PCM Interface Connection
I/O
Description
DO
BT UART request to send
DI
BT UART clear to send
DO
BT UART transmit
DI
BT UART receive
Wi-Fi&BT Module Series
FG50V Hardware Design
Comment
1.8 V power domain.
1.8 V power domain.
1.8 V power domain.
1.8 V power domain.
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