HI everybody ,
related to previous post , further investigation and it looks like new SDIO std you do not need to start 3.3V and then go 1.8V .
new std accept 1.8V all the time .
now if I set 1.8V on SDIo interface I see no activity at all ... why ?
same sw setting @ 3.3 everthing works
coudl you help ?
best regrads
Carlo