Reply by Kris J October 8, 20032003-10-08
Hi

I had the same problem. Please read the PLL Driver on
Motorola Embeded SDK Helps and Documentation. You need
to change #define PLL_MUL 5 in appconfig.h file to be
#define PLL_MUL 15 to make the board run at full
speed .. Best Regards
Kris
--- mhier48 <> wrote:
> Hello!I am a new user to the DSP56F800DEMO board
> (and to DSP programming), and I have several
> "beginner problems":- Frequently when I try to run a
> program (with debugger enabled) from CodeWarrior,
> only the folloing message appears: Program
> "Flash.elf" is executing. Choose Break from the
> Debug menu to stop it. When I recompile the program
> (by first removing the object code and than hitting
> F5), it runs properly (i.e. the debugger breaks at
> the first line and I can start it hitting F5
> again).- The PWM frequency is about 30 times to slow
> (based on an IPbus frequency of 30 MHz, a prescaler
> of 1 and a modulo of 10000 the PWM should oscillate
> with 3 kHz but it only does with about 100 Hz). Do I
> have to set the IPbus frequency first? How do I make
> this?I am sorry if I asked questions that are
> discussed here in the past, but I did not found any
> answers by searching the archive.Martin Hierholzer


Reply by mhier48 October 7, 20032003-10-07
Hello!I am a new user to the DSP56F800DEMO board (and to DSP programming), and I
have several "beginner problems":- Frequently when I try to run a program (with
debugger enabled) from CodeWarrior, only the folloing message appears:
Program "Flash.elf" is executing. Choose Break from the Debug menu to stop it.
When I recompile the program (by first removing the object code and than hitting
F5), it runs properly (i.e. the debugger breaks at the first line and I can
start it hitting F5 again).- The PWM frequency is about 30 times to slow (based
on an IPbus frequency of 30 MHz, a prescaler of 1 and a modulo of 10000 the PWM
should oscillate with 3 kHz but it only does with about 100 Hz). Do I have to
set the IPbus frequency first? How do I make this?I am sorry if I asked
questions that are discussed here in the past, but I did not found any answers
by searching the archive.Martin Hierholzer