TI DACx3204 Registers
Register endianness on your I2C bus: please pick one.
Crackhead Engineering
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IEEE 802.3, Clause 22, §22.2.4.3.1
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.
Upgrading Winbond W25N02KV to Winbond W25N02JV
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?
"Contact sales for complete package dimensions"
When the alternative to signing an NDA is "calipers".
Rockchip RK808 calendar
Presented verbatim from Linux rtc-rk808 source code . Rated "most November per calendar year per SoC".
Winbond W25N02KVxxIR/U
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.
Anjoy SSC338Q libtools.so
Extracted from firmware for Mstar MC800S-V3 camera module. Rated "the most uses of grep per grep ".