PT=B_0x0
SPDIFRX data input register
| PE | parity error bit |
| V | validity bit |
| U | user bit |
| C | channel Status bit |
| PT | preamble type 0 (B_0x0): not used 1 (B_0x1): preamble B received 2 (B_0x2): preamble M received 3 (B_0x3): preamble W received |
| DR | data value |