JAJSF58O MARCH 2001 – April 2018 SN65HVD230 , SN65HVD231 , SN65HVD232
PRODUCTION DATA.
Occasionally, a runaway CAN controller unintentionally sends messages that completely tie up the bus (what is referred to in CAN jargon as a babbling idiot). When this occurs, the µP, MCU or DSP can engage the listen-only standby mode of the transceiver to disable the driver and release the bus, even when access to the CAN controller has been lost. When the driver circuit is deactivated, its outputs default to a high-impedance state (recessive).