Patent ID: 9514075
Filing Date: 2016-12-06
CPC Classification: G06F,H04L,H04N

Claim Text:
1. An electronic system, comprising: a host electronic device, coupled to a Mini Display Port (mDP) bus comprising a first channel and a second channel, wherein when in a first communication protocol mode, the host electronic device disconnects the second channel according to a disable signal; and a first electronic device, coupled to the mDP bus and configured to output a detection signal to the host electronic device, a multiplexer, coupled to the a first processing unit, and configured to couple the second channel to the first processing unit in the third communication protocol mode, and couple the second channel to a ground based on the disable signal in the first communication protocol mode; wherein when the first electronic device is coupled to the host electronic device, the host electronic device communicates with the first electronic device in the first communication protocol mode via the first channel, and communicates with the first electronic device in the second communication protocol mode via the second channel according to an enable signal; and when a second electronic device is coupled to the host electronic device, the host electronic device communicates with the second electronic device in a third communication protocol mode via the second channel, wherein each of the first communication protocol mode, the second communication protocol mode, and the third communication protocol mode is a different communication protocol mode than the other two.