4 ms·
USB PD negotiation. The MagSafe connector only has three distinct contacts (there are five pins, but it's mirrored), so there has to be some protocol translati
by duskwuff 4y ago
USB PD negotiation.
The MagSafe connector only has three distinct contacts (there are five pins, but it's mirrored), so there has to be some protocol translation between USB PD and the single control signal used in MagSafe.