filter FIFO assignment register
| FFA0 | Filter FIFO assignment for filter 0 |
| FFA1 | Filter FIFO assignment for filter 1 |
| FFA2 | Filter FIFO assignment for filter 2 |
| FFA3 | Filter FIFO assignment for filter 3 |
| FFA4 | Filter FIFO assignment for filter 4 |
| FFA5 | Filter FIFO assignment for filter 5 |
| FFA6 | Filter FIFO assignment for filter 6 |
| FFA7 | Filter FIFO assignment for filter 7 |
| FFA8 | Filter FIFO assignment for filter 8 |
| FFA9 | Filter FIFO assignment for filter 9 |
| FFA10 | Filter FIFO assignment for filter 10 |
| FFA11 | Filter FIFO assignment for filter 11 |
| FFA12 | Filter FIFO assignment for filter 12 |
| FFA13 | Filter FIFO assignment for filter 13 |