The EN pin controls the mode of the device. If the EN pin is high at power-up the device powers up in normal mode, if the EN is low at power-up the device powers up in standby mode. In normal mode the receiver and transmitter fully operational. The LIN transmitter transmits data from the LIN controller to the LIN bus up to the LIN specified maximum data rate of 20-kbps. The LIN receiver detects the data stream on the LIN bus up to data rates of 100-kbps and outputs the data on RXD output for the LIN controller. Upon an EN pin transition from low to high the TLIN2021A-Q1 transitions from sleep mode to normal mode in t ≥ t_NOMINT.