能否大概讲一下ADC中断的触发过程,告诉我文档的什么位置?我现在明白SOCA触发ADC的排序器。最好可以对照2833xADCSOC例程讲一下,谢谢
Susan Yang:
您可以使用软件触发,也可以使用PWM来触发,具体可以看下例程内的详细说明。
user4739816:
回复 Susan Yang:
C:\ti\controlSUITE\device_support\f2833x\v141\doc这里面的4.4说明太少了,您有没有详细一点的说明?4.4这个例程是什么触发的ADC中断?
Susan Yang:
回复 user4739816:
This ADC example uses ePWM1 to generate a periodic ADC SOC on SEQ1. Two channels are converted, ADCINA3 and ADCINA2.
该例程使用的是ePWM1来触发ADC中断
在TRM内 7.3.1 Input Trigger Description 描述了触发中断源
www.ti.com.cn/…/sprui07.pdf
具体您可以看一下 e2echina.ti.com/…/128860
user4739816:
回复 Susan Yang:
您好,EOS转换结束信号是从哪里发过来的?哪一张架构图有EOS?
Susan Yang:
回复 user4739816:
您可以看一下TRM内的说明(直接搜索EOS)
Once triggered, the sequencer cannot be stopped/halted in mid sequence. The program
must either wait until an end-of-sequence (EOS) or initiate a sequencer reset, which
brings the sequencer immediately back to the idle start state (CONV00 for SEQ1 and
cascaded cases; CONV08 for SEQ2).以及 Figure 7-12. Flow Chart for Uninterrupted Autosequenced Mode