21.3.3 SFRBU RXLP Pull-Up Control Register

Name: SFRBU_RXLPPUCR
Offset: 0x14
Reset: 0x00000001
Property: Read/Write

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
        RXDPUCTRL 
Access R/W 
Reset 1 

Bit 0 – RXDPUCTRL RXLP RXD Pull-Up Control

If the RXLP is not used, it is recommended to clear this bit (enable the pull-up) to avoid power consumption on the VDDBU rail.
ValueDescription
0 Reset value. Pull-up enabled on RXD IO.
1

Pull-up disabled on RXD IO.