Analog supply pins hooked up correctly? --- In lpc2000@yahoogroups.com, "domingos_bento" <dasbento@a...> wrote: > > Hello, > yes I tryed to change phase and polarity, but continue same. > > Another thing that happen is that AD to give the double of the scale. > In the datasheet with 0V input would have in hex 0000, midscale (2.5V) > should have 8000 and to 4.999924V should have FFFF. The results that > I 'm obtain are: 0V input has 0000, 2.5V has FFFF and 4.999924V has FFFE. > > thanks > Domingos > > --- In lpc2000@yahoogroups.com, FabioDB <fabiodib@e...> wrote: > > Il giorno gio, 25-11-2004 alle 20:59 +0000, dasbento@a... ha > > scritto: > > > > > > Hello, > > > > > > I'm using SPI to read data of ADS7807U. My problem is not get to read > > > the last bit, i.e, bit0. How does the SCK work? > > > > Have you tryed to change phase and polarity (CPOL and CPHA bits of SPI > > Control Register)? > > > > -- > > FabioDB <fabiodib@e...> > > Altraqua
Message
Re: read with SPI
2004-11-28 by Richard
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