WIZ810 in a SPI environment

[MoinMoin]

I started using my WIZ810M sample. After managing the problems with the 2mm headers (as discussed in other topics) I got it working in my SPI environment - until I wanted to use the SPI data flash that was already connected to my ATMEGA128.
I was not able to read any usefull data from the data flash - only all one's or zero's. After some time of debugging I found, that the SPI pin MISO was tied to high or low by the WIZ810 module, but never disabled (tristate). Due to the fact that a SN74CB3Q3257 mux/demux is used the A11_MISO pin never gets in a disabled state even if the SCS is turned inactive.
This unfortunately makes the WIZ810M unusable in an evironment together with other SPI chips. Of course a busdriver can be added to disable the output, but this makes the use of simple SPI more complicated than neccessary
MoinMoin

[jimmain]

I think most people would agree that the WIZ810M could do with a redesign...

Maybe they should have made that the competition