From: David F. <dav...@ya...> - 2004-08-19 23:02:22
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Kim, I use the 3233 on a board also. The guaranteed spec I think is 3.6V, the absolute maximum is 4V but I wouldn't operate there. What are you doing with forceon? David. Kim Hendrikse <ki...@ki...> wrote: > Kim, are you using a waysmall? If not what RS232 chip are you powering by > battery? > David. I'm not using the waysmall. I'm using a MAX3233 chip. - Kim > Kim Hendrikse wrote: > I've made some progress on my flakey rs-232 problem. In my case, my gumstix > worked fine in one harness, but my new one had the problems. The pressure > connector looked fine and there were no shorts in it. I've made a new > harness with a really short cable to it and now it works fine. The > other one had about 20cm of cable and another board inbetween to rearrange > the connections (Because of a mistake). Apparently that's too much length > for the raw uart signals. I'm running the new one off 3.7V directly > from the battery. It also provides access to the jtag pins so later on I > should be able to see whether my home built jtag cable works or not. > > - Kim > > > ------------------------------------------------------- > SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media > 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 > Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. > http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 > _______________________________________________ > gumstix-users mailing list > gum...@li... > https://lists.sourceforge.net/lists/listinfo/gumstix-users ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 _______________________________________________ gumstix-users mailing list gum...@li... https://lists.sourceforge.net/lists/listinfo/gumstix-users |