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DSPIC33 NEWBIE!

 
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georpo



Joined: 18 Nov 2008
Posts: 278
Location: Athens, Greece.

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DSPIC33 NEWBIE!
PostPosted: Tue Nov 18, 2008 4:48 pm     Reply with quote
Hi all!

I have been working with pic micros for many years now in assembly
and I recently decided to start C. Everything is well and CCS is easy to learn.
Now, about DSpics. I assembled a dspic33fj64gp802 on a breadboard, connected successfully to ICD2 and I am trying to output a pulse to the oscilloscope. I know that it is not supported by the 4.068 version but I included the header file from DSPIC33FJ64GP708. It is the same.
Ok. I am totally confused about the fuses and there are no examples on
the net. My fuses are:
Code:
 #fuses FRC,NOWDT,NOJTAG,NODEBUG.

ICD2 programs and verifies successfully but there is no pulse on the B2 pin.
My code is simple:
Code:
while(1)
  {
   output_high(PIN_B2);
   delay_us(500);
   output_low(PIN_B2);
   delay_us(500);
  }
}

All vss and avss connected to ground, all vdd and avdd connected to +3.3volts.

MCLR with 10k pullup to vdd.

100n caps close to the vdd pins.

there is no crystal because I am supposed to use the internal FRC.

Any suggestions?
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