128 Mbit NOR Flash for code shadowing and data logging
133 MHz Quad SPI — what it means for read bandwidth
Quad I/O at 133 MHz reads four data lines simultaneously. The 128 Mbit density holds a full application image plus a config file or data-log buffer, with room for a fallback recovery image.
24-BGA package — layout and rework notes
The 24-BGA package measures 8 × 6 mm with a 0.8 mm ball pitch typical for this density. The small footprint frees board area for decoupling caps near the supply pins — a 0.1 µF ceramic per VDD ball is the usual starting point.