NOR flash CFI and AMD/Fujitsu Standard Command Set

Common Flash Memory Interface - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/Common_Flash_Memory_Interface

Vendor Command Set & Control Interface ID Code Assignments

1. Intel/Sharp Extended Command Set
2. AMD/Fujitsu Standard Command Set
3. Intel Standard Command Set
4. AMD/Fujitsu Extended Command Set

SPANSION: Using CFI to Read and Debug Systems
https://www.spansion.com/Support/Application%20Notes/read_debug_using_CFI_an.pdf

SPANSION: S70GL256M00 256 Megabit (8 M x 32-Bit/16 M x 16-Bithttp://data.datasheetlib.com/pdf1/127/27/1272714/advanced-micro-devices-s70gl256m00_be0646f6ba.pdf
p.34 Table 10. Command Definitions (x32 Mode, WORD# = V IH )
p.35 Table 11. Command Definitions (x16 Mode, WORD# = V IL )