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camino
Level 4
Level 4
Distributor - TED (Japan)
5 solutions authored 10 replies posted First solution authored

 when XTADD bit is 0 , 4READ(0x13) was readable and 4QOR(0x6C) was not readable.   Our test results is reasonable ?

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1 Solution
Yuvraj
Moderator
Moderator
Moderator
First question asked 250 replies posted 25 likes received

Hi,

What you are observing is expected and correct.

By default, FLASH will be in SPI mode that's why 4READ(0x13) is readable but to make 4QOR(0x6C) readable you have to enter the flash in QUAD mode.

Regards,

Yuvraj 

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2 Replies
YukaA_81
Employee
Employee
5 solutions authored 10 replies posted First like given

Is the read mode set to QSPI mode (CR1[1] QUAD ="1")?
If so, 4QOR (0x6C) should also be available for read operation.

 

regards,
IFX ) Y.Ami

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Yuvraj
Moderator
Moderator
Moderator
First question asked 250 replies posted 25 likes received

Hi,

What you are observing is expected and correct.

By default, FLASH will be in SPI mode that's why 4READ(0x13) is readable but to make 4QOR(0x6C) readable you have to enter the flash in QUAD mode.

Regards,

Yuvraj 

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