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TUSB8020B-Q1: USB_SSRXM_UP、USB_SSRXM_DN1和2端是否需要外接隔直的电容,芯片内部是否已内置该电容

Part Number: TUSB8020B-Q1

TUSB8020B-Q1_userguide文档中有一个参考设计原理图,里面USB_SSTXM引脚都有0.1uF的隔直电容,而USB_SSRXM引脚都没有。这是因为该芯片的RX引脚内部已经集成了电容吗?还是说因为与之对接的设备应该有该类电容,所以可以不再外接?作为接口芯片,USB_SSRXM线上是否必须要有该类电容。