I'm using drivers from Brush Electronics which should be compatible with both SD and SDHC cards. SD cards mount fine and are fully functional. All SDHC cards fail to mount. I need a little help from the group with what might be the cause of this issue. Andrew at Brush Electronics suggests that the problem might be no pull-up on the card's DO line or "cheap SDHC cards" and apparently has no other suggestions. My hardware operates at 3.3v and I have pull-up on the card's DO line and we've tried several brands of SDHC cards without success. Anyone have any other suggestions?
Please help.
I did not find the right solution from the internet.