MSTR=SLAVE
Mode Register
| MSTR | Master/Slave Mode 0 (SLAVE): Slave 1 (MASTER): Master  |  
| PS | Peripheral Select  |  
| PCSDEC | Chip Select Decode  |  
| MODFDIS | Mode Fault Detection  |  
| WDRBT | Wait Data Read Before Transfer  |  
| LLB | Local Loopback Enable  |  
| PCS | Peripheral Chip Select 7 (NPCS3): NPCS3 as Chip Select 11 (NPCS2): NPCS2 as Chip Select 13 (NPCS1): NPCS1 as Chip Select 14 (NPCS0): NPCS0 as Chip Select  |  
| DLYBCS | Delay Between Chip Selects  |