mirror of https://github.com/YosysHQ/nextpnr.git
e9b7da5a0f
Dual Port has a defective output register. This only manifests itself at small data widths and only on -C chips. That is, Tangprimer20k (GW2A-18) works perfectly, while Tangnano20k (GW2A-18C) stutters. The same story with GW1N-9 and GW1N-9C. Fortunately, the fix has long been included in nextpnr for SDP memory, so all that remains is to call the same function for Dual Port. Signed-off-by: YRabbit <rabbit@yrabbit.cyou> |
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| example | ||
| gatemate | ||
| gowin | ||
| ng-ultra | ||
| xilinx | ||