On 09/04/2015 03:58 AM, andy pugh wrote: > On 4 September 2015 at 02:16, Jon Elson <[email protected]> wrote: >> Apparently, this device can't do bidirectional translation. >> It can do 22 channels of conversion all going to a lower >> voltage, or all going to a higher voltage. But, when wired >> that way, it can't flip direction > That's not the way that I interpreted the data sheet when I made the > board for the 3.3V to 5V conversion on the RPi, and the boards > appeared to work. > Well, as a typical NXP data sheet, they leave a lot of helpful info out. Looking at it for 5 minutes, I really couldn't see how it worked to step up the voltage. Stepping down seemed pretty simple. Glad it worked.
Jon ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
