Additional rising edges on SHI are ignored until the sequence is completed in the single-sequence mode or until the ADC12ENC bit is toggled in repeat-single-channel, or repeated-sequence modes. 这是用户手册中ADC12中介绍ADC12MSC的一句话,对红色字体的语句产生疑问,开始转换后ADC12ENC不是一直处于1的状态吗,那Additional rising edges on SHI岂不是不会被忽略