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TMS320F28P650DK: In the CLB communication project for Endat22, why can't the CMPC of EPWM be used to start the sending operation?

Lin Haonan
Prodigy 160 points
Part Number: TMS320F28P650DK

Tool/software:

Hello engineers,

For the CLB communication project of tformat, I made the following modifications and successfully used the CMPC of EPWM to start the sending operation. However, when modifying Endat22, it was found that after such modifications, the data sent by CLB and the generated SPICLK were completely incorrect.When I use software triggering (writing 1 to the GPREG of CLB3), the command can be sent normally.

Regards,

Lin Haonan