prjxray/fuzzers/017-clb-precyinit/README.md

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# clb-precyinit Fuzzer
## PRECYINIT
Configures the PRECYINIT mux which provides CARRY4's first carry chain input
| PRECYINIT | Value |
|------------|---------------------------------|
| C0 | Logic 0 |
| C1 | Logic 1 |
| AX | AX CLB input |
| CIN | Carry in from adjacent CLB COUT |