| 摘要 |
A method and system to facilitate configurable input/output (I/O) termination voltage reference in a transmitter or receiver. In one embodiment of the invention, the transmitter and receiver, each has a termination circuit to select a suitable termination reference voltage based on the desired coupling type. In one embodiment of the invention, the transmitter has a termination circuit coupled with a transmission driver and the transmitter selects only one of a supply voltage, a ground voltage and a half supply voltage as a termination voltage reference of the transmission driver. The receiver has a termination circuit to select either a supply voltage or a ground voltage as a termination voltage reference of the receiver.
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