The Microsoft Precision Touchpad[1] devices are interfaced over I2C or USB. Bandwidth for I2C depends on implementation AFAIK, but should be plenty for a respon

The Microsoft Precision Touchpad[1] devices are interfaced over I2C or USB. Bandwidth for I2C depends on implementation AFAIK, but should be plenty for a responsive touchpad. [1] https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/windows-precision-touchpad-implementation-guide https://docs.microsoft.com/en-us/windows-hardware/design/com...