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YosysHQ.nextpnr/nexus
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Dan Callaghan 5c30093360 nexus: reduce OSCA worst case to 7% 
The current version of Crosslink-NX Family Data Sheet lists the high
frequency oscillator maximum frequency as 481.5MHz (that is, 7% higher
than its nominal 450MHz):

https://www.latticesemi.com/-/media/LatticeSemi/Documents/DataSheets/CrossLink/FPGA-DS-02049-1-2-1-CrossLink-NX-Family.ashx?document_id=52780

Older documents listed a wider frequency range but ±7% is the range for
production parts.
2022-02-10 15:48:06 +11:00
..
.gitignore
nexus: Build and embed chipdb automatically
2020-11-30 08:45:27 +00:00
arch_place.cc
Fixing old emails and names in copyrights
2021-06-12 13:22:38 +01:00
arch_pybindings.cc
Fixing old emails and names in copyrights
2021-06-12 13:22:38 +01:00
arch_pybindings.h
Fixing old emails and names in copyrights
2021-06-12 13:22:38 +01:00
arch.cc
nexus: Hotfix to disable unimplemented DCS routethru
2022-02-03 14:59:25 +00:00
arch.h
nexus: add option to modify the mult factor of the estimate delay
2022-02-01 11:18:17 +01:00
archdefs.h
nexus: Fix DSP macro placement
2021-09-22 13:12:21 +01:00
bba_version.inc
nexus: LUT permutation support
2021-09-24 15:26:16 +01:00
CMakeLists.txt
nexus: Update for new monolithic prjoxide
2020-11-30 08:45:27 +00:00
constids.inc
nexus: handle SLEWRATE in pdc
2021-12-20 15:09:03 +01:00
family.cmake
nexus: Build and embed chipdb automatically
2020-11-30 08:45:27 +00:00
fasm.cc
nexus: handle SLEWRATE in pdc
2021-12-20 15:09:03 +01:00
global.cc
nexus: Fix routeing of global clocks that also drive fabric
2021-07-28 15:35:19 +01:00
io.cc
Fixing old emails and names in copyrights
2021-06-12 13:22:38 +01:00
main.cc
run clangformat
2022-02-03 15:28:46 +00:00
pack.cc
nexus: reduce OSCA worst case to 7%
2022-02-10 15:48:06 +11:00
pdc.cc
nexus: handle SLEWRATE in pdc
2021-12-20 15:09:03 +01:00
pins.cc
nexus: Basic packer and FASM support for I/ODDR
2021-07-28 13:27:02 +01:00
post_place.cc
Fixing old emails and names in copyrights
2021-06-12 13:22:38 +01:00