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Re: I2C on 5502

Started by Wei Li January 18, 2008
As you mentioned that DSP is a slaver. Then it's not the problem of
5502 but rather other IC, the master.

Wei

--- In c..., Behrooz Daneshkhah
wrote:
>
> Hi
> I don't see anything on Scope.No clock.No data. Even when running
CSL
> sample code for C5502!
>
> Behrooz
> --- iewil2000 wrote:
>
> > Did you look at the scope to see the clock? Is the clock
distorted?
> >
> > Did you try to run I2C in low clock rate?
> >
> > Wei
> >
> > --- In c..., "Behrooz Daneshkhah"
> >
> > wrote:
> > >
> > > Hi
> > > I have exactly the same problem. If you have solved it , I will
> > be
> > > very grateful to have your kind help .
> > >
> > > Thanks in advance
> > > Behrooz
> > > --- In c..., aditya.kothari@ wrote:
> > > >
> > > > Hi all
> > > >
> > > > I am trying to get the I2C working on the c5502EVM as well as
a
> >
> > > c5502 custom board. The DSP is set in the slave receiver mode.
> > The
> > > master correctly sends the data and the clock on the two I2C
> > pins.
> > > However, the DSP is not able to recognize the start bit and the
> > bus
> > > is never busy to receive any data for the DSP.
> > > >
> > > > As an experiment, i tried out a sample code from the CSL
which
> > > performs a Digital Loopback. This code works fine and the test
is
> >
> > > passed. If i remove the I2C from the loopback mode, i still
donot
> >
> > > get any clock or data signals out of the SCL or the SDA pins. I
> > have
> > > appropriately set the CPLD registers for getting the signals on
> > the
> > > preipheral expansion.
> > > >
> > > > Someone kindly help me in setting up the I2C in the master as
> > well
> > > as slave modes and get the signals out from the peripheral
> > expansion
> > > connector.Kindly help.
> > > >
> > > > Thanking you
> > > >
> > > > aditya
> > > >
> > >
> >
> >
> >
> >
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> >
> >
> >
> >
> >
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