3.4 Debug UART (J5)

Use the Debug UART (J5) to monitor the debug logs from the RNBD451PE module. The pinout of the Debug UART header J5 is as follows. For more details, refer to the RNBD451 Bluetooth^® Low Energy Module User’s Guide (DS50003467).

Table 3-4. RNBD451PE Connection to Debug UART Header
Pin No	Pin on RNBD451PE Module	Description
1	PA7	Debug UART TXD
2	PA8	Debug UART RXD
3	GND	—

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