Hi all,
I need to edit following files because my customer use N25Q032A of micron.
・ qspi-nor-macronix-mx25l51245g-config
・ qspi-nor-micron-n25q256a-config
・ qspi-nor-spansion-s25fl128s-config
I have a question about parameter of " ddr_mode_enable=1".
Accessing the NOR flash in DTR / DDR mode when "ddr_mode_enable = 1" is set in the QuadSPI setting file and only ADDR or READ is used without using ADDR_DDR or READ_DDR with lut [n] Is it possible?
Ko-hey
Solved! Go to Solution.
not.
Setting value of ddr_mode_enable requires usage only ddr commands:
ADDR_DDR or READ_DDR.
Best regards
igor
Hi Ko-hey
>Accessing the NOR flash in DTR / DDR mode when "ddr_mode_enable = 1"
>is set in the QuadSPI setting file and only ADDR or READ is used without using
>ADDR_DDR or READ_DDR with lut [n] Is it possible?
sorry this is not possible.
Best regards
igor
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Hi igorpadykov
Which mode is used to access the NOR flash when "ddr_mode_enable = 1" is set in the QuadSPI setting file and only ADDR or READ is used with lut [n], SDR mode or DDR mode ?
Ko-hey
Hi Ko-hey
when "ddr_mode_enable = 1" it is necessary to use "ddr" mode commands only:
ADDR_DDR or READ_DDR. ADDR or READ can not be used in "ddr" mode.
Best regards
igor
Hi igorpadykov
When using the ADDR or READ command, it is executed in SDR mode regardless of the setting value of ddr_mode_enable.
Am I correct ?
Ko-hey
not.
Setting value of ddr_mode_enable requires usage only ddr commands:
ADDR_DDR or READ_DDR.
Best regards
igor
Hi igorpadykov
Thank you for your support.
I posted another question (https://community.nxp.com/thread/490304) related to this thread.
I hope you will follow it.
Ko-hey