| Control signal | Value | Operations performed |
| Flag | 0 | 1st set values are generated (for CSGU) |
| Flag | 1 | 2nd set of value are generated (for CSGU) |
| Flag | 2 | 3rd set of values are generated (for CSGU) |
| Flag | 3 | XXX |
| Flag0 | 0 | Subtraction is not performed (for CCS) |
| Flag0 | 1 | Subtraction is not performed (for CCS) |
| CS0' | 0 | CSGU enabled |
| CS2' | 0 | Comparator enabled |