Labels Milestones
Back9x9 raster, 4.039x3.951mm package, pitch 0.4mm; see section 7.3 of http://www.st.com/resource/en/datasheet/stm32l011k3.pdf WLCSP-36, 6x6 raster, 2.5x2.5mm package, pitch 0.4mm; see section 6.3 of http://www.st.com/resource/en/datasheet/stm32f103tb.pdf LFBGA-144, 12x12 raster, 7x7mm package, pitch 0.5mm; see.
- 21 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xx-dv-xe-xx-mkt.pdf.
- | *(optional) SIP socket, 2.54.