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5x5mm, 80 ball 9x9 grid, NSMD pad definition Appendix A BGA 324 0.8 GateMate FPGA Maxim WLP-12, W121H2+1, 2.008x1.608mm, 12 Ball, 3x4 Layout, 0.5mm Pitch, https://www.st.com/resource/en/datasheet/stulpi01a.pdf TFBGA-64, 8x8 raster, 3.141x3.127mm package, pitch 0.4mm; see section 7.4 of http://www.st.com/resource/en/datasheet/stm32l476me.pdf WLCSP-81, 9x9 raster, 4x4mm package, pitch 0.5mm; see section 7.5 of http://www.st.com/resource/en/datasheet/stm32l152ze.pdf WLCSP-143, 11x13 raster, 4.521x5.547mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103ze.pdf Lattice caBGA-381 footprint for ECP5 FPGAs, based on either internal or external clock sources cycle between 0v and 5v max // gate out (j4/j10) // clock out (j5/j12 // glide manual (rv16 // 1 for 5v / 2.5v output mode (sw12) // 1 rotary switch, 5+ positions 10 LEDs - one per step // 1 rotary switch, 5+ positions 10 LEDs 3 sockets Potentiometers: One potentiometer for internal clock signal (possibly external). Commonly called a "Baby 8", so called because it's a classic samba clave with rock/reggae rhythms.

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