The uSD breakout board that I use with the T4.0 has no pullups, and as you've already seen on the T4.1 schematics, the onboard uSD there has none either.
As for wire lengths, I've got a 2" FFC...
Type: Posts; User: Silverlock
The uSD breakout board that I use with the T4.0 has no pullups, and as you've already seen on the T4.1 schematics, the onboard uSD there has none either.
As for wire lengths, I've got a 2" FFC...
Right there could be a big part of your troubles. Don't change the config file. I've haven't. Use plain old SdFat file system in your program, and resist the temptation to turn knobs and twiddle with...
I've been using an SDIO connected uSD card with the T4.0 and T4.1 and the SdFat-beta library, on a daily basis, for many months now. I imagine if there was an issue with the SdFat-beta library, I'd...
The consensus on this thread was that it just was an error in the T4.0 schematic.
When you say you're "having a hard time getting my T4.0 to talk to an SD card", are you using the SDIO pads on the...