US_IER

USART Interrupt Enable Register

For SPI specific configuration, see “USART Interrupt Enable Register (SPI_MODE)”.

For LIN specific configuration, see “USART Interrupt Enable Register (LIN_MODE)”.

For LON specific configuration, see “USART Interrupt Enable Register (LON_MODE)”.

The following configuration values are valid for all listed bit names of this register:

0: No effect

1: Enables the corresponding interrupt.

  0x0008 32 Write-only    
Parent topic: Register Summary

USART Interrupt Enable Register

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
        MANE CTSIC DCDIC DSRIC RIIC  
Access                   
Reset                   
Bit  15 14 13 12 11 10 9 8  
      NACK     ITER TXEMPTY TIMEOUT  
Access                   
Reset                   
Bit  7 6 5 4 3 2 1 0  
  PARE FRAME OVRE     RXBRK TXRDY RXRDY  
Access                   
Reset                   

Bit 0 – RXRDY: RXRDY Interrupt Enable

RXRDY Interrupt Enable

Bit 1 – TXRDY: TXRDY Interrupt Enable

TXRDY Interrupt Enable

Bit 2 – RXBRK: Receiver Break Interrupt Enable

Receiver Break Interrupt Enable

Bit 5 – OVRE: Overrun Error Interrupt Enable

Overrun Error Interrupt Enable

Bit 6 – FRAME: Framing Error Interrupt Enable

Framing Error Interrupt Enable

Bit 7 – PARE: Parity Error Interrupt Enable

Parity Error Interrupt Enable

Bit 8 – TIMEOUT: Timeout Interrupt Enable

Timeout Interrupt Enable

Bit 9 – TXEMPTY: TXEMPTY Interrupt Enable

TXEMPTY Interrupt Enable

Bit 10 – ITER: Max number of Repetitions Reached Interrupt Enable

Max number of Repetitions Reached Interrupt Enable

Bit 13 – NACK: Non Acknowledge Interrupt Enable

Non Acknowledge Interrupt Enable

Bit 16 – RIIC: Ring Indicator Input Change Enable

Ring Indicator Input Change Enable

Bit 17 – DSRIC: Data Set Ready Input Change Enable

Data Set Ready Input Change Enable

Bit 18 – DCDIC: Data Carrier Detect Input Change Interrupt Enable

Data Carrier Detect Input Change Interrupt Enable

Bit 19 – CTSIC: Clear to Send Input Change Interrupt Enable

Clear to Send Input Change Interrupt Enable

Bit 20 – MANE: Manchester Error Interrupt Enable

Manchester Error Interrupt Enable