AMODE=MASK, CHSIZE=8_BIT
SPIS Control B
| CHSIZE | Character Size 0 (8_BIT): 8 bits 1 (9_BIT): 9 bits |
| PLOADEN | Data Preload Enable |
| SSDE | Slave Select Low Detect Enable |
| MSSEN | Master Slave Select Enable |
| AMODE | Address Mode 0 (MASK): SPI Address mask 1 (2_ADDRESSES): Two unique Addressess 2 (RANGE): Address Range |
| RXEN | Receiver Enable |