主要计时器是生成交叉触发信号以同步其他计时器的计时器：

• 通过设置 TIMx.CTTRIGCTL.CTEN 位来启用交叉触发输出功能。
• 通过选择适当的触发源来配置交叉触发生成事件。
  • 对于基于软件的交叉触发，设置 TIMx.CTTRIG.TRIG 位。
  • 对于基于硬件的交叉触发，使用 TIMx.CTTRIGCTL.EVTCTTRIGSEL 选择触发源，并通过设置 TIMx.CTTRIGCTL.EVTCTEN 启用硬件触发。
• 计时器还提供自触发功能

/* Configuration for Main Timer to generate Cross Trigger */
static const DL_TimerA_ClockConfig gPWM_0ClockConfig = {
    .clockSel = DL_TIMER_CLOCK_BUSCLK,
    .divideRatio = DL_TIMER_CLOCK_DIVIDE_1,
    .prescale = 0U
};

static const DL_TimerA_PWMConfig gPWM_0Config = {
    .pwmMode = DL_TIMER_PWM_MODE_CENTER_ALIGN,
    .period = 1600,
    .isTimerWithFourCC = false,
    .startTimer = DL_TIMER_STOP,
};

SYSCONFIG_WEAK void SYSCFG_DL_PWM_0_init(void) {

    DL_TimerA_setClockConfig(
        PWM_0_INST, (DL_TimerA_ClockConfig *) &gPWM_0ClockConfig);

    DL_TimerA_initPWMMode(
        PWM_0_INST, (DL_TimerA_PWMConfig *) &gPWM_0Config);

    // Set Counter control to the smallest CC index being used
    DL_TimerA_setCounterControl(PWM_0_INST,DL_TIMER_CZC_CCCTL0_ZCOND,DL_TIMER_CAC_CCCTL0_ACOND,DL_TIMER_CLC_CCCTL0_LCOND);

    DL_TimerA_setCaptureCompareOutCtl(PWM_0_INST, DL_TIMER_CC_OCTL_INIT_VAL_LOW,
		DL_TIMER_CC_OCTL_INV_OUT_DISABLED, DL_TIMER_CC_OCTL_SRC_FUNCVAL,
		DL_TIMERA_CAPTURE_COMPARE_0_INDEX);

    DL_TimerA_setCaptCompUpdateMethod(PWM_0_INST, DL_TIMER_CC_UPDATE_METHOD_IMMEDIATE, DL_TIMERA_CAPTURE_COMPARE_0_INDEX);
    DL_TimerA_setCaptureCompareValue(PWM_0_INST, 500, DL_TIMER_CC_0_INDEX);

    DL_TimerA_setCaptureCompareOutCtl(PWM_0_INST, DL_TIMER_CC_OCTL_INIT_VAL_LOW,
		DL_TIMER_CC_OCTL_INV_OUT_DISABLED, DL_TIMER_CC_OCTL_SRC_FUNCVAL,
		DL_TIMERA_CAPTURE_COMPARE_1_INDEX);

    DL_TimerA_setCaptCompUpdateMethod(PWM_0_INST, DL_TIMER_CC_UPDATE_METHOD_IMMEDIATE, DL_TIMERA_CAPTURE_COMPARE_1_INDEX);
    DL_TimerA_setCaptureCompareValue(PWM_0_INST, 500, DL_TIMER_CC_1_INDEX);

    DL_TimerA_enableClock(PWM_0_INST);
    
    DL_TimerA_setCCPDirection(PWM_0_INST , DL_TIMER_CC0_OUTPUT | DL_TIMER_CC1_OUTPUT );

    DL_TimerA_configCrossTrigger(PWM_0_INST, DL_TIMER_CROSS_TRIG_SRC_ZERO,
                                 DL_TIMER_CROSS_TRIGGER_INPUT_ENABLED, DL_TIMER_CROSS_TRIGGER_MODE_ENABLED
		);//Configuration to Generate Hardware Based Cross Trigger on Zero Event

    DL_TimerA_setCaptureCompareInput(PWM_0_INST, DL_TIMER_CC_INPUT_INV_NOINVERT, DL_TIMER_CC_IN_SEL_TRIG, DL_TIMER_CC_0_INDEX);

    DL_TimerA_setCaptureCompareInput(PWM_0_INST, DL_TIMER_CC_INPUT_INV_NOINVERT, DL_TIMER_CC_IN_SEL_TRIG, DL_TIMER_CC_1_INDEX);

    /*
     * Determines the external triggering event to trigger the module (self-triggered in main configuration)
     * and triggered by specific timer in secondary configuration
     */
    DL_TimerA_setExternalTriggerEvent(PWM_0_INST,DL_TIMER_EXT_TRIG_SEL_TRIG_1);
    DL_TimerA_enableExternalTrigger(PWM_0_INST);
    uint32_t temp;
    temp = DL_TimerA_getCaptureCompareCtl(PWM_0_INST, DL_TIMER_CC_0_INDEX);
    DL_TimerA_setCaptureCompareCtl(PWM_0_INST, DL_TIMER_CC_MODE_COMPARE, temp | (uint32_t) DL_TIMER_CC_ZCOND_TRIG_RISE, DL_TIMER_CC_0_INDEX);

    temp = DL_TimerA_getCaptureCompareCtl(PWM_0_INST, DL_TIMER_CC_1_INDEX);
    DL_TimerA_setCaptureCompareCtl(PWM_0_INST, DL_TIMER_CC_MODE_COMPARE, temp | (uint32_t) DL_TIMER_CC_ZCOND_TRIG_RISE, DL_TIMER_CC_1_INDEX);

}