CRCSRC=NOACT, CRCPOLY=CRC16, CRCBEATSIZE=BYTE
CRC Control
| CRCBEATSIZE | CRC Beat Size 0 (BYTE): 8-bit bus transfer 1 (HWORD): 16-bit bus transfer 2 (WORD): 32-bit bus transfer  |  
| CRCPOLY | CRC Polynomial Type 0 (CRC16): CRC-16 (CRC-CCITT) 1 (CRC32): CRC32 (IEEE 802.3)  |  
| CRCSRC | CRC Input Source 0 (NOACT): No action 1 (IO): I/O interface  |