SOB=B_0x0
SPDIFRX channel status register
| USR | user data information Bit USR[0] is the oldest value, and comes from channel A, USR[1] comes channel B. So USR[n] bits come from channel A is n is even, otherwise they come from channel B. |
| CS | channel A status information Bit CS[0] is the oldest value |
| SOB | start of block This bit indicates if the bit CS[0] corresponds to the first bit of a new block 0 (B_0x0): CS[0] is not the first bit of a new block 1 (B_0x1): CS[0] is the first bit of a new block |