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I have a question about the description of the TMS320F280049 manual. According to the configuration list of chip pins, only one of the high level comparator and the low level comparator can be used in the comparator subsystem? For example, if pin9 is the high comparator of CMP1 and input CMP1_HP0, then CMP_LP0 on pin9, which is the low comparator of CMP1, cannot be applied. The same goes for the other six comparator subsystems. Please help answer, thank you.
我对TMS320F280049手册种的描述有一个疑问,根据芯片管脚的配置列表,在比较器子系统中,高电平比较器和低电平比较器只能使用其中一个吗?比如:pin9 是CMP1的高比较器输入CMP1_HP0,那么同在pin9上的CMP_LP0也就是CMP1的低比较器则不能被应用了。同理其他6个比较器子系统。请帮助解答,谢谢。
您好,
每个芯片的引脚会有多种功能,只能选择一种功能使用。
比如,pin9作为CMP1_HP0的功能,就无法作为CMP1_LP0的功能。
但Comparator Subsystem 1 中的低电平比较器是可用的,可以选择其他的CMP1_LPx。