43.9.13 SSC Status Register

Name: SSC_SR
Offset: 0x40
Reset: 0x00000000
Property: Read-only

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
       RXENTXEN 
Access RR 
Reset 00 
Bit 15141312111098 
     RXSYNTXSYNCP1CP0 
Access RRRR 
Reset 0000 
Bit 76543210 
   OVRUNRXRDY  TXEMPTYTXRDY 
Access RRRR 
Reset 0000 

Bit 17 – RXEN Receive Enable

ValueDescription
0

Receive is disabled.

1

Receive is enabled.

Bit 16 – TXEN Transmit Enable

ValueDescription
0

Transmit is disabled.

1

Transmit is enabled.

Bit 11 – RXSYN Receive Sync

ValueDescription
0

An Rx Sync has not occurred since the last read of the Status Register.

1

An Rx Sync has occurred since the last read of the Status Register.

Bit 10 – TXSYN Transmit Sync

ValueDescription
0

A Tx Sync has not occurred since the last read of the Status Register.

1

A Tx Sync has occurred since the last read of the Status Register.

Bit 9 – CP1 Compare 1

ValueDescription
0

A compare 1 has not occurred since the last read of the Status Register.

1

A compare 1 has occurred since the last read of the Status Register.

Bit 8 – CP0 Compare 0

ValueDescription
0

A compare 0 has not occurred since the last read of the Status Register.

1

A compare 0 has occurred since the last read of the Status Register.

Bit 5 – OVRUN Receive Overrun

ValueDescription
0

No data has been loaded in SSC_RHR while previous data has not been read since the last read of the Status Register.

1

Data has been loaded in SSC_RHR while previous data has not yet been read since the last read of the Status Register.

Bit 4 – RXRDY Receive Ready

ValueDescription
0

SSC_RHR is empty.

1

Data has been received and loaded in SSC_RHR.

Bit 1 – TXEMPTY Transmit Empty

ValueDescription
0

Data remains in SSC_THR or is currently transmitted from TSR.

1

Last data written in SSC_THR has been loaded in TSR and last data loaded in TSR has been transmitted.

Bit 0 – TXRDY Transmit Ready

ValueDescription
0

Data has been loaded in SSC_THR and is waiting to be loaded in the transmit shift register (TSR).

1

SSC_THR is empty.