freedom k22fn

[Donsnook]

When trying the example  flash project the erase sector always return 0x20 why ???

[Hui_Ma]

Hi Don,

The routine will returned the FTFE_FSTAT value, the 0x20 means ACCERR bit is set.

When execute Erase Flash Sector Command, below situation will report ACCERR error:

Wish it helps.
best regards
Ma Hui

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[Donsnook]

Ok the issue was that HSMODE was enable had to change to RUN mode

[Donsnook]

I check security state returns 1

I check flash protection registers all return 0xff

tried address 0x0 same result dest = 0

	REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB0_OFFSET, FTFx_ERASE_SECTOR);
	REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB1_OFFSET, GET_BIT_16_23(dest));
	REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB2_OFFSET, GET_BIT_8_15(dest));
	REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FCCOB3_OFFSET, GET_BIT_0_7(dest));
	REG_WRITE(pSSDConfig->ftfxRegBase + FTFx_SSD_FSTAT_OFFSET,FTFx_SSD_FSTAT_ERROR_BITS);

[Hui_Ma]

Hi Don,

The Flash security doesn't affect Flash operation, include erase flash sector.

Wish it helps.
best regards
Ma Hui

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Note: If this post answers your question, please click the Correct Answer button. Thank you!
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