"Matt" == Matt Porter mporter@ti.com writes:
Hi,
Did you figure out why it was working for you with 96 MHz ref?
Matt> Unfortunately not at a root cause level. Unless I'm missing Matt> something I would have expected the calculations from the Matt> supplied 96 MHz ref clock to result in 2x the clock the SD card Matt> can handle due to the incorrect divider. However, with the LA Matt> attached, I found that a 2-3 MHz SDCLK was being generated after Matt> the capability probe occurs. Odd and incorrect, but Matt> functional. After switching to 192MHz I was able to sample a Matt> nominal 25MHz SDCLK as expected on a regular SD card advertising Matt> that as its capability. I don't like it but I'm going to mark Matt> this down as "something undocumented" as I only have PG1.0 Matt> silicon but can't find an errata sheet for that version right Matt> now.
Ok, thanks for the info.