常常看到這字眼 你們說的DDC 到底是啥?
後面再接AMP及喇叭
而USB轉SPDIF,是把數位信號轉成另一種格式的數位信號 (Digital to Digital Converter)
故可簡稱為DDC。
DDC (Display Data Channel)
DDC is a standard defined by VESA. Its purpose is to allow communication between the host system and display. Both configuration and control information can be exchanged allowing plug- and-play systems to be realized. Support for DDC 1 and 2 is implemented.
The PCH uses the DDC_CLK and DDC_DATA signals to communicate with the analog monitor. The PCH will generate these signals at 2.5 V. External pull-up resistors
and level shifting circuitry should be implemented on the board.
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