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HIGH RESOLUTION Interrupt PWM timer

Topic last updated 16 Jul 2024, by p c. 3 replies
p c
16 Aug 2010 . Edited: 16 Aug 2010

Is there any way to use interrupts to time a pwm to an accuracy of +- 1 us? It seems the read_us() doesn't seem to give high enough resolution.

p c
16 Aug 2010

Do you have the code? When I did a simple interrupt with read_us() I was getting +-4us.