How many QSPI ports does the VF6 have? Can they be used simultaneously?

[flaviocaduda]

In the document AN4947 - Understanding Vybrid Architecture, figure 1, depicts a QuadSPI-0 and a QuadSPI-1. I could not find within the documentation much information on the QuadSPI-1. The idea is to use the QuadSPI-0 as an interface for 2 serial flash, while the QuadSPI-1 as an interface for a FPGA.

Can both QSPI-0 & QSPI-1 be used simultaneously? Are there any restrictions? Any special considerations when using QSPI-1?

Regards,

Flavio

[naoumgitnik · Accepted solution]

Dear Flavio!

Please, take a look at the Re: Parallel QuadSPI and Re: Can Vybrid boot from the only QSPI_B? threads and let me know if you still have any questions.

Attached is also an excerpt from one of the Freescale designs with 3 QuadSPI (QSPI) memory chips used.

Sincerely, Naoum Gitnik.

[flaviocaduda]

Thank you Naoum!