Looks like Jan is right after I took his suggestion to increase the delay
rate. The LED blinking program is working now. Finally thanks for all your
help.
Stanley
On 10/25/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
>
> Stanley Lee schrieb:
>
> > Configuration data: 0xc900 0x1e18 0x0700 0x0081 0xc00f 0xe00f 0x400f
>
> This config looks good to me:
> - XINST disabled
> - DEBUG = disabled
> - Fosc is 1001 (internal osc with clock out on ra6)
>
> One advise:
> Dont use FOSC=0x34 but use FOSCbits.IRCF0 etc. this makes your code more
> readable and you can find errors easier.
> >
> > My problem right now is that all 8 LEDs remain on at the same time as
> > power is applied to the system. I'm not too sure what I'm missing or
> > what I'm doing wrong in my code. I'm somehow getting a clock of 2 Mhz
> > for some strange reason (although I have no idea whether it's
> > appropriate). I have attached a copy of the code in the email.
>
> You running with Fosc=8Mhz, since the pic need 4 steps to complete an
> instruction, the 2Mhz = 8Mhz/4 is ok (see page 23 of the datasheet
> chapter 2.1).
> <quote>
> 7. INTIO1 Internal Oscillator with FOSC/4 output on RA6 and I/O on RA7
> </quote>
>
> A clock cycle takes 4 / 8Mhz = 5e-7 secs. A delay of 2x500 let your LED
> blink with a 0.0005 secs or 2kHz. Thats why they seem to be on. They are
> just blinking very fast.
>
> Try it with a bigger, like 65530, delay.
>
> So for me everything looks fine now.
>
> jan
>
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