Hi,
On technical reference manual of TMS320F2837xD (spruhm8c), it is described that the source of synchronization for EPWM1SYNC1 is INPUTXBAR6 as below.
In other hand, there is following description on Chapter "13.3.2.3.3 Time-Base Counter Synchronization".
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In Figure 13-7, EXTSYNC1 is sourced from INPUTXBAR5 and
EXTSYNC2 is sourced from INPUTXBAR6, which can be configured to select any GPIO as the synchronization input.
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From above, I guess that the source of synchronization for EPWM1SYNC should be INPUTXBAR5, not INPUTXBAR6.
Could you confirm?
Thanks,
Fukui
