7. Modes of Operation State Transmitter Receiver Voltage Regulator Operation POWER-ON-RESET OFF OFF OFF Read CS/LWAKE, if LOW, then READY, if HIGH, Operational mode READY OFF Activity Detect ON If CS/LWAKE high level, then Operation mode OPERATION ON ON ON If CS/LWAKE low level, then Power down; If FAULT/TXE low level, then Transmitter-Off mode POWER-DOWN OFF Activity Detect OFF On LIN bus falling, go to READY mode. On CS/LWAKE high level, go to Operational mode TRANSMITTER OFF OFF ON ON If CS/LWAKE low level, then Power down; If FAULT/TXE high, then Operation mode