FW: SPI-NOR FS512S incorrect CR3NV[1] value

[Yogesh Narayan Gaur <yogeshnarayan.gaur@xxxxxxx>]

+ Linux MTD mailing list group

Hi Tudor,

As confirmed by cypress team, default value of CR3NV[1] is 0 for flash FS512S and this is having the 256KB uniform erase sector option.
There is discrepancy between FS512s datasheet and the actual shipped chip.

--
Regards
Yogesh Gaur


From: Yong Qin [mailto:Yong.Qin@xxxxxxxxxxx] 
Sent: Saturday, December 1, 2018 2:06 AM
To: Yogesh Narayan Gaur <yogeshnarayan.gaur@xxxxxxx>; James Tomasetta <James.Tomasetta@xxxxxxxxxxx>;
[…]

Hi Yogesh,

Our product team confirmed that what you observed is expected and correct. FS512S has CR3NV[1] bit default as 0. Because FS512S only has 256KB uniform sector option. This bit is reserved and don’t care. There is discrepancy between FS512S datasheet and real product. We will update the datasheet.


Thanks and have a good weekend!
Yong 
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