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Hi Niklas, sorry for long time answering. The sequence to write Configuration Register is on page 71 par. 9.3.7 of the datasheet (attached extracted page). We just need to write CR1[1]bit and set to "1". Quote: “An example can be found in \Samples\JFlashSPI\ProjectFiles\Winbond_ReadModifyWrite_SecurityRegisters.jflash ” I read the example files, do you refer to the [SPI] or [CPU]section commands? regards, Cristian
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Hi Niklas, thanks for the suggestion, is already something I was thinking but to write the CFG register it's necessary a read of status register before to write the CFG. It looks like a "special" access for this register. Does the J-FLASH take care of this or do we need to do a commands sequence (read status, write CFG, etc..)? Is it also possible using some script file? thanks in advance cristian
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Hi, we have a S25FL512 flash device connected to ZYNQ processor to QSPI interface for normal operation (see attached diagram as reference) We also have a direct programming connector to the SPI/QSPI bus for flash programming, so that we could program the flash in SPI mode directly, but at the end of programming we need to SET the FLASH in QSPI mode writing the Configuration Register bit[1]. Does anyone been able to program the Flash Configuration register using J-FLASH? thanks in advance Cristia…