Assigning a 24-bit value to a pair of 16-bit registers by removing two bits, splitting off the top six bits, then bit-reversing only half of the parts and embedding it into silicon.

Let's say you've designed a product around a Winbond W25N02KV 2 Gbit 3.3 V QSPI NAND flash, then your power delivery network changed and you decided to migrate to Winbond W25N02JW 2 Gbit 1.8 V QSPI NAND flash. Sounds easy, right?

When the alternative to signing an NDA is "calipers".

Presented verbatim from Linux rtc-rk808 source code.

Rated "most November per calendar year per SoC".

The Winbond W25Nxx memory IC series uses NAND flash where the Winbond W25Qxx series (and many compatible devices from other vendors) uses NOR flash. Despite this, the W25Nxx series uses a command set that seems compatible with the W25Qxx NOR flash command set... until you look closer.

Extracted from firmware for Mstar MC800S-V3 camera module.

Rated "the most uses of grep per grep".