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iMXRT and HyperFlash Reset

Question asked by Udo Eberhardt on Mar 20, 2019
Latest reply on Mar 28, 2019 by Kerry Zhou

Hi,

 

I use an external 1V8 HyperFlash S26KS512 which is connected to FlexSPI in the same way as on the MIMXRT1050-EVKB board. I noticed that on the EVKB board the RESET input of the flash is not connected to the MCU because R169 is not placed.

 

I want to make sure that whenever the MCU is reset (e.g. via JTAG or from software via SYSRESETREQ) the flash is reset as well. How can I achieve that?

 

Can the POR_B pin act as an output as well?

 

Thanks.

Udo

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