User Manual
647
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
LIN Transceiver
The transitions between the described states can only be executed when corresponding conditions are
fulfilled. The detailed description of the transitions can be found below.
LIN Sleep Mode (LSLM) - LIN Receive-Only Mode (LROM) Transition Description
• LSLM - LROM transition is executed when:
– LIN_CTRL.MODE is configured to LIN Receive-Only Mode and
– Feedback Signals of Mode and Slope Mode are ok and
– HV-Mode bit is not set
• LROM - LSLM transition is executed when:
– LIN_CTRL.MODE is configured to LIN Sleep Mode
LIN Sleep Mode (LSLM) - LIN Normal Mode (LNM) Transition Description
• LSLM - LNM transition is executed when:
– LIN_CTRL.MODE is configured to LIN Normal Mode and
– Feedback Signals of Mode and Slope Mode are ok and
– HV-Mode bit is not set and
– VS-Undervoltage Flag is not set
– LIN Transceiver LIN_CTRL.OT_STS and LIN_CTRL.OC_IS are not set and
– no LIN_CTRL.TXD_TMOUT is set and
• LNM - LSLM transition is executed when:
– LIN_CTRL.MODE is configured LIN Sleep Mode
LIN Normal Mode (LNM) - LIN Receive-Only Mode (LROM) Transition Description
• LNM - LROM transition is executed when
– LIN_CTRL.MODE is configured to LIN Receive-Only Mode or
– Feedback Signals of Mode and Slope Mode are not ok or
– LIN_CTRL.OC_IS Flag is set or
– VS-Undervoltage Flag is set (VS-Undervoltage is derived from ADC1 measurement, not ADC2) or
– LIN Transceiver LIN_CTRL.OT_STS or LIN_CTRL.OC_IS are set or
– LIN_CTRL.TXD_TMOUT is set
• LROM - LNM transition is executed when:
– LIN_CTRL.MODE is configured to LIN Normal Mode and
– Feedback Signals of Mode and Slope Mode are ok and
– LIN_CTRL.OC_STS Flag is not set and
– VS-Undervoltage Flag is not set and
– LIN Transceiver LIN_CTRL.OT_STS and LIN_CTRL.OC_IS are not set and
– no LIN_CTRL.TXD_TMOUT is set
LIN Sleep Mode (LSLM) - LIN High Voltage Input / Output Mode (LHVIO) Transition Description
• LSLM - LHVIO transition is executed when
– LIN_CTRL.HV_MODE flag is set and
– LIN_CTRL.MODE is configured to LIN Normal Mode after LIN_CTRL.HV_MODE flag was set and