+ Channel Status bit.

+ Control Buffer DMA ENable for control flow.

+ Channel Selection.

+ Channel A status information.

+ The Control Buffer register is not empty.

+ Control Buffer Ready Interrupt Enable.

+ Mask of channel status and user bits.

+ Data value.

+ RX Data format.

Data value Channel B.

Data value Channel A.

+ Framing error.

+ Serial Interface Error Interrupt Enable.

+ SPDIF input selection.

+ Maximum allowed re-tries during synchronization phase.

+ Overrun error.

+ Clears the Overrun error flag.

+ Overrun error Interrupt Enable.

+ Parity Error bit.

+ Parity error.

+ Clears the Parity error flag.

+ Parity error interrupt enable.

+ Mask Parity error bit.

+ Preamble Type.

+ Mask of Preamble Type bits.

+ Receiver DMA Enable for data flow.

+ Read data register not empty.

+ RXNE interrupt enable.

+ Stereo Mode.

+ Synchronization Block Detected.

+ Clears the Synchronization Block Detected flag.

+ Synchronization Block Detected Interrupt Enable.

+ Synchronization error.

+ Start Of Block.

+ Peripheral Block Enable.

+ Synchronization Done.

+ Clears the Synchronization Done flag.

+ Synchronization Done.

+ Time-out error.

+ Threshold LOW.

+ Threshold HIGH.

+ User bit.

+ User data information.

+ Validity bit.

+ Mask of Validity bit.

+ Wait For Activity.

+ Duration of 5 symbols counted with spdif_clk.

emgo:const.