User Manual
376
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
Watchdog Timer (WDT1)
14.2
Introduction
The behavior of the Watchdog Timer in Active Mode is depicted in
.
Figure 72 Watchdog Timer Behavior
14.3
Functional Description
14.3.1
Modes of Operation
The mode transition from the low power modes (WDT1 off) to active (WDT1 on) automatically initializes WDT1
to start in long open window mode.
Trigger
always
timeout
RESET
RESET
RESET
Trigger SOW
Trigger SOW
Trigger
Timeout
or
Trigger in closed window
Reset
Power-up
timeout
Long
Open Window
Normal
„windowed“
operation
Short
open window
Trigger
Maximum number
of SOW triggers
exceeded
Trigger SOW