Hi Pavlin,
Please provide the schematics.
Also, check the voltage of the inputs when not transmitting. Is it possible the pullups you added and the internal pulldowns of the DRV8711 are affecting the voltage levels?
Please check that the data setup and hold times are being met.
Please provide the schematics.
Also, check the voltage of the inputs when not transmitting. Is it possible the pullups you added and the internal pulldowns of the DRV8711 are affecting the voltage levels?
Please check that the data setup and hold times are being met.