Config Register: 0x0000_0008
| 31 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Reserved | mode | Reserved | cpha | cpol | |||||||||||||
| Bits | Field | Description | Privilege |
|---|---|---|---|
| 0 | cpol | Clock polarity during idle state. 1'b1: High 1'b0:
Low |
Write |
| 1 | cpha | Clock phase setting. 1'b1: Data sampled at falling
edge 1'b0: Data sampled at rising edge |
Write |
| 2-3 | Reserved | Reserved. | N/A |
| 4-5 | mode | 0: Full-duplex dual line 1: Half-duplex dual
line (Available only when data width is configured as 8 or
16) 2: Half-duplex quad line (Available only
when data width is configured as 8 or 16) |
Write |
| 6-31 | Reserved | Reserved. | N/A |