User Manual
41
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
Power Management Unit (PMU)
6.3.4
Power-on Reset Concept
Figure 14 Power-on Reset Concept
Vs
1.5V
PMU_1V5DidPOR
5V
VDDP
3V
SYSTEM_STATE
Active
Down
LP_Clk
1.5V
VDDC
80h
xxh
PMU_RESET_STS
RESET_PIN
Start-up
fail
stable
SUPPLY_STATUS
ok
ca. 4V
ca. 3.5V