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msp430f2274 timerB - capture compare, timerA - pwm

Good afternoon.

I am trying to use timerB0 as a capture compare input (P4.3 - p8 (ez430-rf2500 demo bd)) and timerA as a pwm (p2.3 - p6 (ez430-rf2500 demo bd)).  P2.2 (p5 - ez430-rf2500 demo board)8400.rpm-pwm.zip7345.rpm-pwm.zip is used as a test point.  I have attached code and waveforms.  The blue waveform is P2.3, the green waveform is P2.2 and finally the pink waveform is P4.3.  Can you explain to me why I seem to be going into the TIMERB0 ISR on both my P4.3 edge (which is what I want) and my P2.3 edge (which I don't want)?

 

Thx

Steve

rpm-pwm.zip

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