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https://e2e.ti.com/support/isolation-group/isolation/f/isolation-forum/735937/faq-in-high-channel-count-designs-how-do-i-reduce-the-number-of-digital-connections-to-the-mcu
在高通道数设计中、如何减少与 MCU 的数字连接数量？
为了减少与 MCU 的数字连接的数量、一个多路复用器和一个解码器可与诸如 ISO121x 器件的隔离式数字输入接收器一起使用。 请参阅此 TI 参考设计 、您可以在其中找到96通道双向数字输入模块参考设计原理图。
