之前参考了control card设计
请教一下,
1,TMS320F2802x的XRS引脚只有上拉电阻,没有电容,没问题么?
2,F2802X,F2803X的上电有什么注意的地方?时序或原理图要做的调整?
3,如果加电后,要对芯片进行复位,是直接拉低一次XRS么?
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Control card 上的XRS只加上拉电阻是为了不让该管脚在器件外部悬空,因为是芯片内部产生reset信号所以不加电容也可以。