PCI2050B芯片手册中的MSK_IN管脚如何理解?如何配置?为什么要这样配呢?
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MSK_IN的作用在数据手册中有给出:
The PCI2050B bridge uses GPIO0, GPIO2, and MSK_IN to shift in the secondary clock mask from an external shift register。
那么实际电路中的话,它可以直接接地。