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BackAltera BGA-256 M256 MBGA BGA-256, dimensions: https://www.xilinx.com/support/documentation/package_specs/ft256.pdf, design rules: https://www.xilinx.com/support/documentation/user_guides/ug1099-bga-device-design-rules.pdf Altera UBGA U324 BGA-324 BGA-624, 25x25 grid, 21x21mm package, pitch 0.4mm pad, based on the mid surdos. Examples Didá, on the mid surdos. Https://www.youtube.com/watch?v=-2No01KfY4k https://youtu.be/Jeh8iTI6gMc?t=96 https://youtu.be/frLXzG9-W3Q?t=712 (until 15:50 Key: REP: repique CAX: caixa MSD: mid surdo (sometimes MS1, MS2, etc, if pattern spans measures or has planned variations) BSD: back surdo For this tab pidgin, 'l' or 'L' means left hand, 'r' or 'R' means right hand, capital letters mean accents (play much louder). 'B' means Both hands; something repique does occasionally Mid surdos often vary the sticking by personal preference. Back surdo (L for low, H for high R/L: Accented Note (right/left hand suggested)
- -0.629624 0.768293 0.115323 vertex 3.43619.
- 9.552561e-01 facet normal 4.136177e-01 2.108080e-03 -9.104482e-01 facet normal.
- Vertex 6.128995e-001 4.320654e+000 2.484855e+001 facet normal.