Other Parts Discussed in Thread: C2000WARE
使用C2000Ware中的Epwm同步例程，配置EPWM1同步信号由CTR=0时产生，发现EPWM1和EPWM2/3/4之间存在相位差(延迟)，请问是天然存在的还是我配置不对？这个延时大概2个cycles左右(P55配置为150MHz)，如果天然存在，我应该如何规避这14ns的延时？
EPWM配置代码如下：
void EPWM_init(){
EPWM_setClockPrescaler(myEPWM1_BASE, EPWM_CLOCK_DIVIDER_1, EPWM_HSCLOCK_DIVIDER_1);
EPWM_setTimeBasePeriod(myEPWM1_BASE, 100);
EPWM_setTimeBaseCounter(myEPWM1_BASE, 0);
EPWM_setTimeBaseCounterMode(myEPWM1_BASE, EPWM_COUNTER_MODE_UP);
EPWM_disablePhaseShiftLoad(myEPWM1_BASE);
EPWM_setPhaseShift(myEPWM1_BASE, 0);
EPWM_setSyncInPulseSource(myEPWM1_BASE, EPWM_SYNC_IN_PULSE_SRC_DISABLE);
EPWM_enableSyncOutPulseSource(myEPWM1_BASE, EPWM_SYNC_OUT_PULSE_ON_CNTR_ZERO);
EPWM_setCounterCompareValue(myEPWM1_BASE, EPWM_COUNTER_COMPARE_A, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM1_BASE, EPWM_COUNTER_COMPARE_A, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setCounterCompareValue(myEPWM1_BASE, EPWM_COUNTER_COMPARE_B, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM1_BASE, EPWM_COUNTER_COMPARE_B, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM1_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setRisingEdgeDelayCountShadowLoadMode(myEPWM1_BASE, EPWM_RED_LOAD_ON_CNTR_ZERO);
EPWM_disableRisingEdgeDelayCountShadowLoadMode(myEPWM1_BASE);
EPWM_setFallingEdgeDelayCountShadowLoadMode(myEPWM1_BASE, EPWM_FED_LOAD_ON_CNTR_ZERO);
EPWM_disableFallingEdgeDelayCountShadowLoadMode(myEPWM1_BASE);
EPWM_enableInterrupt(myEPWM1_BASE);
EPWM_setInterruptEventCount(myEPWM1_BASE, 1);
EPWM_setClockPrescaler(myEPWM2_BASE, EPWM_CLOCK_DIVIDER_1, EPWM_HSCLOCK_DIVIDER_1);
EPWM_setTimeBasePeriod(myEPWM2_BASE, 100);
EPWM_enableGlobalLoadRegisters(myEPWM2_BASE, EPWM_GL_REGISTER_TBPRD_TBPRDHR);
EPWM_setTimeBaseCounter(myEPWM2_BASE, 0);
EPWM_setTimeBaseCounterMode(myEPWM2_BASE, EPWM_COUNTER_MODE_UP);
EPWM_enablePhaseShiftLoad(myEPWM2_BASE);
EPWM_setPhaseShift(myEPWM2_BASE, 0);
EPWM_setCounterCompareValue(myEPWM2_BASE, EPWM_COUNTER_COMPARE_A, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM2_BASE, EPWM_COUNTER_COMPARE_A, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setCounterCompareValue(myEPWM2_BASE, EPWM_COUNTER_COMPARE_B, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM2_BASE, EPWM_COUNTER_COMPARE_B, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM2_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setRisingEdgeDelayCountShadowLoadMode(myEPWM2_BASE, EPWM_RED_LOAD_ON_CNTR_ZERO);
EPWM_disableRisingEdgeDelayCountShadowLoadMode(myEPWM2_BASE);
EPWM_setFallingEdgeDelayCountShadowLoadMode(myEPWM2_BASE, EPWM_FED_LOAD_ON_CNTR_ZERO);
EPWM_disableFallingEdgeDelayCountShadowLoadMode(myEPWM2_BASE);
EPWM_enableInterrupt(myEPWM2_BASE);
EPWM_setInterruptSource(myEPWM2_BASE, EPWM_INT_TBCTR_ZERO);
EPWM_setInterruptEventCount(myEPWM2_BASE, 1);
EPWM_setClockPrescaler(myEPWM3_BASE, EPWM_CLOCK_DIVIDER_1, EPWM_HSCLOCK_DIVIDER_1);
EPWM_setTimeBasePeriod(myEPWM3_BASE, 100);
EPWM_setTimeBaseCounter(myEPWM3_BASE, 0);
EPWM_setTimeBaseCounterMode(myEPWM3_BASE, EPWM_COUNTER_MODE_UP);
EPWM_enablePhaseShiftLoad(myEPWM3_BASE);
EPWM_setPhaseShift(myEPWM3_BASE, 0);
EPWM_setCounterCompareValue(myEPWM3_BASE, EPWM_COUNTER_COMPARE_A, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM3_BASE, EPWM_COUNTER_COMPARE_A, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setCounterCompareValue(myEPWM3_BASE, EPWM_COUNTER_COMPARE_B, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM3_BASE, EPWM_COUNTER_COMPARE_B, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM3_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setRisingEdgeDelayCountShadowLoadMode(myEPWM3_BASE, EPWM_RED_LOAD_ON_CNTR_ZERO);
EPWM_disableRisingEdgeDelayCountShadowLoadMode(myEPWM3_BASE);
EPWM_setFallingEdgeDelayCountShadowLoadMode(myEPWM3_BASE, EPWM_FED_LOAD_ON_CNTR_ZERO);
EPWM_disableFallingEdgeDelayCountShadowLoadMode(myEPWM3_BASE);
EPWM_enableInterrupt(myEPWM3_BASE);
EPWM_setInterruptEventCount(myEPWM3_BASE, 1);
EPWM_setClockPrescaler(myEPWM4_BASE, EPWM_CLOCK_DIVIDER_1, EPWM_HSCLOCK_DIVIDER_1);
EPWM_setTimeBasePeriod(myEPWM4_BASE, 100);
EPWM_setTimeBaseCounter(myEPWM4_BASE, 0);
EPWM_setTimeBaseCounterMode(myEPWM4_BASE, EPWM_COUNTER_MODE_UP);
EPWM_enablePhaseShiftLoad(myEPWM4_BASE);
EPWM_setPhaseShift(myEPWM4_BASE, 0);
EPWM_setCounterCompareValue(myEPWM4_BASE, EPWM_COUNTER_COMPARE_A, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM4_BASE, EPWM_COUNTER_COMPARE_A, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setCounterCompareValue(myEPWM4_BASE, EPWM_COUNTER_COMPARE_B, 5);
EPWM_setCounterCompareShadowLoadMode(myEPWM4_BASE, EPWM_COUNTER_COMPARE_B, EPWM_COMP_LOAD_ON_CNTR_ZERO);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_A, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_HIGH, EPWM_AQ_OUTPUT_ON_TIMEBASE_ZERO);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_PERIOD);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPA);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPA);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_LOW, EPWM_AQ_OUTPUT_ON_TIMEBASE_UP_CMPB);
EPWM_setActionQualifierAction(myEPWM4_BASE, EPWM_AQ_OUTPUT_B, EPWM_AQ_OUTPUT_NO_CHANGE, EPWM_AQ_OUTPUT_ON_TIMEBASE_DOWN_CMPB);
EPWM_setRisingEdgeDelayCountShadowLoadMode(myEPWM4_BASE, EPWM_RED_LOAD_ON_CNTR_ZERO);
EPWM_disableRisingEdgeDelayCountShadowLoadMode(myEPWM4_BASE);
EPWM_setFallingEdgeDelayCountShadowLoadMode(myEPWM4_BASE, EPWM_FED_LOAD_ON_CNTR_ZERO);
EPWM_disableFallingEdgeDelayCountShadowLoadMode(myEPWM4_BASE);
EPWM_enableInterrupt(myEPWM4_BASE);
EPWM_setInterruptEventCount(myEPWM4_BASE, 1);
}