andrew_matiga said:hi analayout,
Shielding is for radiated emmisions and radiated immunity. For example, in board layout, you put shields between high speed clock and the data lines because the high speed clock lines might radiate emi noise to other data lines. The shield will just recieve these emi from the clock lines and dissipate them to ground(Vss).
JoannesPaulus said:It does not really matter if you connect the shield to VDD or VSS, you just need to connect it to a low impedance net.
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