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BackFFG1927 FFV1927 FF1928 FFG1928 FF1930 FFG1930 Virtex-7 BGA, 44x44 grid, 45x45mm package, 1mm pitch; https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=277, https://www.xilinx.com/support/documentation/user_guides/ug475_7Series_Pkg_Pinout.pdf#page=296, https://www.xilinx.com/support/documentation/user_guides/ug865-Zynq-7000-Pkg-Pinout.pdf#page=91, NSMD pad definition Appendix A.
- Vertex -5.069612e+000 -1.090780e+000 2.484855e+001 facet normal -0.528237.
- Normal 0.257261 0.262755 0.929934.
- Means only six different step counts are.
- Normal 0.0376919 0.272942 0.961292 facet normal.