Tagged Questions
2
votes
0answers
239 views
How do I modulate PWM frequency in realtime with a Microchip dsPIC (or PIC24)? [closed]
This question is a direct continuation of the question/answer found at the link below. Skip to the last answer/comments given, as this is where my question begins (I don't have enough rep. points to ...
2
votes
2answers
198 views
Clarification on what the max freq of PIC24FJ64 is?
I'm confusing myself a bit here. The following is taken from this datasheet:
High-Performance CPU:
Modified Harvard Architecture
Up to 16 MIPS Operation @ 32 MHz
Now I want 16 MIPS, which is its ...
1
vote
2answers
609 views
PIC24FJ64GA002 not running at speed
I'm trying to get my PIC24FJ64GA002 running at 32 Mhz. I measure the frequency on OSCO pin, and it's only 4 Mhz. Here's my code:
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3
votes
3answers
222 views
Reading frequencies without filters
Is it possible to read a set of frequencies with a PIC in such a way that for each frequency a different function is called?
The idea was to send multiple frequencies at different times (no ...
3
votes
3answers
282 views
Lowering PIC Clock Frequency
How do I lower the clock frequency of a PIC18F2550 and recalculate the peripheral dividers?
I'm trying to make it run cooler. Currently, it runs at 12MIPs/48mhz (USB-CDC-ACM).
3
votes
3answers
4k views
How do I modulate PWM frequency in realtime with a Microchip dsPIC?
I'm trying to change the PWM output frequency roughly once a millisecond using a dsPIC33FJ256GP710, and I'm having mixed results. I first tried this:
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