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jingjingdawang The middle SMA seat has two functions. One is an external reference signal and the other is an interface of MUXOUT. As an external reference, the position of the jumper cap needs to be changed, from the onboard active crystal to the external signal. As MUXOUT, he needs to solder the two solder joints on the board with the soldering iron.

2019-05-24 02:53:05 Útil (1)
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