| Spec | Description |
|---|---|
| S1 | Block address of any input |
| S2 | Block address of any input |
| S3 | Block address of any input |
| S4 | Block address of any input |
| S5 | Block address of any input |
| S6 | Block address of any input |
| S7 | Block address of any input |
| S8 | Block address of any input |
| S9 | Block address of any input |
| S10 | Block address of any input |
| S11 | Block address of any input |
| S12 | Block address of any input |
| S13 | Block address of any input |
| S14 | Block address of any input |
| S15 | Block address of any input |
| S16 | Block address of any input |
| S17 | Block address of any input |
| S18 | Block address of any input |
| S19 | Tunable real parameter |
| S20 | Tunable real parameter |
| S21 | Tunable real parameter |
| S22 | Tunable real parameter |
| S23 | Block address of first auxiliary UDF |
| S24 | Size of data (bytes) |
| S25 | UDF declaration |
| S26 | Spare |
| S27 | Spare |
| S28 | Spare |
| Block | Type | Description |
|---|---|---|
| N | Bit | User digital value 1 (boolean) |
| N+1 | Bit | User digital value 2 (boolean) |
| N+2 | Bit | User digital value 3 (boolean) |
| N+3 | Bit | User digital value 4 (boolean) |
| N+4 | Bit | User digital value 5 (boolean) |
| N+5 | Bit | User digital value 6 (boolean) |
| N+6 | Bit | User digital value 7 (boolean) |
| N+7 | Bit | User digital value 8 (boolean) |
| N+8 | Real | User value 1 |
| N+9 | Real | User value 2 |