Please try the 74HCT08. The resistor divider should work as well, but 74HCT08 will give you better signals.
Matt. On Saturday, September 1, 2012 4:09:38 AM UTC-4, PDSACAA wrote: > > > Matt/Rob >>> >> I am a bit worried I might be wasting your time on this problem in the > sense that I have just been trying a change to > the clock speed and PIC device in order to troubleshoot this but when > doing so the read/write errors change. > Some errors are still there but some seem resolved. > > This seems strange to me and difficult to attribute to coding problems. I > am using the resistor divider components > as shown in the tutorial to get the 3.3V signals from the PIC to the > 23k256 but I have read elsewhere > (in the sd card documentation?) that resistor divider networks on the > clock line can cause problems. > > I got to thinking (probably rubbish) but large data values means > writing/reading a lot of consecutive one's and I > wondered if this was significant. I have the components (74HCT08 etc) to > do the signal conversion but have not used > them yet. Do you think I should do this before I ask you to spend any more > time on this? > > Regards > Dave > > -- You received this message because you are subscribed to the Google Groups "jallib" group. To view this discussion on the web visit https://groups.google.com/d/msg/jallib/-/TaaPKaNcKmwJ. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
