User Manual
75
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
Power Management Unit (PMU)
Out of these above listed resets mainly five reset types are derived:
•
RESET_TYPE_0
contains:
– PMU_1V5DidPOR: this reset is issued when the power down supply detects undervoltage
• RESET_TYPE_1 is an OR of:
– PMU_1V5DidPOR
– PMU_FAIL: this reset is issued when the VDDC or VDDP supply have a failure
– WDT_FAIL: this reset is issued when WDT1 is not triggered consecutively 5 times properly
• RESET_TYPE_2 is an OR of:
– PMU_1V5DidPOR
– PMU_PIN: this reset is issued when the RESET-Pin is pulled down
– PMU_ExtWDT: this reset is a WDT1 related reset
– PMU_SOFT: this reset is a software related reset
– PMU_Wake: this reset is a stop wake-up related reset
– PMU_FAIL
– WDT_FAIL
• RESET_TYPE_3 is an OR of:
– PMU_1V5DidPOR
– PMU_PIN
– PMU_ExtWDT
– PMU_SOFT
– PMU_Wake
– PMU_SleepEx: this reset is a sleep wake-up related reset
– PMU_FAIL
– WDT_FAIL
Every register has its own reset type listed. In the Power Management Unit SFRs following reset types are used:
• RESET_TYPE_0
• RESET_TYPE_1
• RESET_TYPE_2
• RESET_TYPE_3
6.7.1
Register Definition
The registers are addressed wordwise.
Table 22 Register
Overview
Register Short Name
Register Long Name
Offset Address
Reset Value
,
Reset Management Unit Registers (RMU)
Reset Status Register
010
H
0000 0000
H
Reset Blind Time Register
06C
H
0000 0003
H