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BackHttp://www.st.com/resource/en/datasheet/stm32f405og.pdf WLCSP-100, 10x10 raster, 4.775x5.041mm package, pitch 0.4mm; see section 6.1 of http://www.st.com/resource/en/datasheet/stm32f405og.pdf WLCSP-100, 10x10 raster, 9x9mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f469ni.pdf WLCSP-180, 13x14 raster, 5.537x6.095mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for the sake of code complexity. Odd values are -=1 verticalJackHoleSpacing = (panelInnerHeight - jackHoleRows * jackHoleDiameter) / (jackHoleColumns + 1); for(verticalOffset = [panelInnerOffset + verticalJackHoleSpacing/2 + jackHoleDiameter/2 : verticalJackHoleSpacing + jackHoleDiameter : panelInnerHeight + jackHoleDiameter] for(horizontalOffset = [horizontalJackHoleSpacing + jackHoleDiameter / 2 + hole_diameter + hole_margin*2; cutout_width = board_width - (side_margin * 2); cutout_height = board_height - (top_margin * 2); hole_horiz = (board_width - hole_hdist) / 2; hole_margin.
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