Dynamically-adjustable differential output drivers

An integrated circuit having:

• an adjustable differential output driver that produces differential output data signals having a common mode voltage that are transmitted to another integrated circuit;
• and
• control circuitry that controls the adjustable differential output driver to adjust the common mode voltage in response to feedback received from the other integrated circuit, wherein the adjustable differential output driver includes adjustable programmable resistor circuitry and programmable current source circuitry that are independently adjusted.

An integrated circuit having:

• an adjustable differential output driver that produces differential output data signals having a common mode voltage that are transmitted to another integrated circuit;
• and
• control circuitry that controls the adjustable differential output driver to adjust the common mode voltage in response to feedback received from the other integrated circuit, wherein the control circuitry comprises control circuitry that controls the adjustable differential output driver to adjust the common mode voltage in response to information that is based at least partially on a mismatch between the common mode voltage of the differential output data signals produced by the adjustable differential output driver at the integrated circuit and a common mode voltage measured for the differential output data signals when the differential output data signals are received at the other integrated circuit.

An integrated circuit having:

• an adjustable differential output driver that produces differential output data signals having a common mode voltage that are transmitted to another integrated circuit;
• and
• control circuitry that controls the adjustable differential output driver to adjust the common mode voltage in response to feedback received from the other integrated circuit, wherein the control circuitry comprises control circuitry that uses the feedback to adjust the adjustable differential output driver to match the common-mode voltage of the differential output data signals to a common-mode voltage level for an input driver on the other integrated circuit.

An integrated circuit having:

• an adjustable differential output driver that produces differential output data signals having a common mode voltage that are transmitted to another integrated circuit;
• and
• control circuitry that controls the adjustable differential output driver to adjust the common mode voltage in response to feedback received from the other integrated circuit, wherein the differential output driver sends the differential output signals over a differential data channel to the other integrated circuit and wherein there are a plurality of such differential data channels between the integrated circuit and the other integrated circuit, each channel having its own associated level of peak-to-peak output voltage swing for its associated differential output data signals, wherein the control circuitry independently adjusts the differential output driver in each channel to adjust the level of the peak-to-peak output voltage swing for each channel.

An integrated circuit having:

• an adjustable differential output driver that produces differential output data signals having a common mode voltage that are transmitted to another integrated circuit;
• and
• control circuitry that controls the adjustable differential output driver to adjust the common mode voltage in response to feedback received from the other integrated circuit, wherein the adjustable differential output driver sends the differential output signals over a differential data channel to the other integrated circuit and wherein there are a plurality of such differential data channels between the integrated circuit the other integrated circuit, each channel having its own associated common-mode voltage for its associated differential output data signals, wherein the control circuitry independently adjusts the differential output driver in each channel to adjust the common-mode voltage for each channel.