MPXEN=0, BSIZE=00, EXENB=0, EMODE=0
CS0 Control Register
| EXENB | Operation Enable 0 (0): Disable operation 1 (1): Enable operation |
| BSIZE | External Bus Width Select 0 (00): A 16-bit bus space 1 (01): Setting prohibited 2 (10): An 8-bit bus space 3 (11): Setting prohibited |
| EMODE | Endian Mode 0 (0): Little Endian 1 (1): Big Endian |
| MPXEN | Address/Data Multiplexed I/O Interface Select 0 (0): Separate bus interface is selected for area n 1 (1): Address/data multiplexed I/O interface is selected for area n. (n = 0 to 7) |