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TMS320F28027: 程序执行中指令执行时间询问

Inver

Prodigy 140 points

Part Number: TMS320F28027

原代码采取C语言编程，下载后调试，查看汇编代码如下

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        updateInverterPWM():
3ea2f7:   FE04        ADDB         SP, #4
3ea2f8:   1E42        MOVL         *-SP[2], ACC
557             invDuty  =  (duty *  public_var.pwm_val_tmp)>>8  ;
3ea2f9:   761F0232    MOVW         DP, #0x232
3ea2fb:   2901        CLRC         SXM
3ea2fc:   8702        MOVL         XT, @0x2
3ea2fd:   56440042    IMPYL        ACC, XT, *-SP[2]
3ea2ff:   FF47        SFR          ACC, 8
3ea300:   9643        MOV          *-SP[3], AL
562          Duty_tmp =invDuty;
3ea301:   761F0238    MOVW         DP, #0x238
3ea303:   9627        MOV          @0x27, AL
563          Spwm_Vo_Val[spwm_table_cntA-1] =Duty_tmp;
3ea304:   761F0238    MOVW         DP, #0x238
3ea306:   5824        MOVZ         AR0, @0x24
3ea307:   8F008D40    MOVL         XAR4, #0x008d40
3ea309:   D881        SUBB         XAR0, #1
3ea30a:   9694        MOV          *+XAR4[AR0], AL
567         if(invDuty==EPwm2Regs.TBPRD)//
3ea30b:   8843        MOVZ         AR6, *-SP[3]
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

        updateInverterPWM():
3ea2f7:   FE04        ADDB         SP, #4
3ea2f8:   1E42        MOVL         *-SP[2], ACC
557             invDuty  =  (duty *  public_var.pwm_val_tmp)>>8  ;
3ea2f9:   761F0232    MOVW         DP, #0x232
3ea2fb:   2901        CLRC         SXM
3ea2fc:   8702        MOVL         XT, @0x2
3ea2fd:   56440042    IMPYL        ACC, XT, *-SP[2]
3ea2ff:   FF47        SFR          ACC, 8
3ea300:   9643        MOV          *-SP[3], AL
562          Duty_tmp =invDuty;
3ea301:   761F0238    MOVW         DP, #0x238
3ea303:   9627        MOV          @0x27, AL
563          Spwm_Vo_Val[spwm_table_cntA-1] =Duty_tmp;
3ea304:   761F0238    MOVW         DP, #0x238
3ea306:   5824        MOVZ         AR0, @0x24
3ea307:   8F008D40    MOVL         XAR4, #0x008d40
3ea309:   D881        SUBB         XAR0, #1
3ea30a:   9694        MOV          *+XAR4[AR0], AL
567         if(invDuty==EPwm2Regs.TBPRD)//
3ea30b:   8843        MOVZ         AR6, *-SP[3]
3ea30c:   761F01A1    MOVW         DP, #0x1a1
3ea30e:   0E05        MOVU         ACC, @0x5
3ea30f:   0FA6        CMPL         ACC, @XAR6
3ea310:   6002        SB           C$L42, NEQ

目前想知道这段代码运行的确切时间，请问什么资料有对汇编指令ADDB，MOVL，MOVW，CLRC，IMPYL等的详细解释

比如指令怎么执行？以及指令运算时间？

谢谢！

3 年多前