| Bits | Name | Description Reset | Value |
|---|
31 | rst | Peripheral soft reset (not self resettable) | 0 |
| 30 | wr_fifo_rst | Write FIFO reset (not self resettable) | 0 |
| 29 | rd_fifo_rst | Read FIFO reset (not self resettable) | 0 |
| 28 | wr_loop | Write loop – continuous transfer | 0 |
| 27 | rd_loop | Read loop – continuous transfer | 0 |
26 | wr_test | Write test – writes 32bit counter to memory | 0 |
| 25 | xfer_write | Write data flag (starts/stops xfer) | 0 |
| 24 | xfer_read | Read data flag (starts/stops xfer) | 0 |
| 20-23 | wr_block_size | Write block size | 0x0 |
| 16-19 | rd_block_size | Read block size | 0x0 |
| 15 | use_rd_jump | Enables transpose | 0 |
