| Offset (word) | R/W | 31 | 30:2 | 1 | 0 |
|---|---|---|---|---|---|
| Base address + 0 | W | Command | |||
| Base address + 1 | W | Command last word (eop) | |||
| Base address + 2 | R | Command FIFO empty space | |||
| Base address + 3 | N/A | Reserved | |||
| Base address + 4 | N/A | Reserved | |||
| Base address + 5 | R | Response data | |||
| Base address + 6 | R | Response FIFO fill level | EOP | SOP | |
| Base address + 7 | R/W | Interrupt enable register (IER) | |||
| Base address + 8 | R | Interrupt status register (ISR) | |||
| Base address + 9 | R/W | Timer 1 enable | Timer 1 period | ||
| Base address + 10 | R/W | Timer 2 enable | Timer 2 period | ||