User Manual
125
Rev. 1.1
2019-03-18
TLE984xQX
Microcontroller with LIN and Power Switches for Automotive Applications
System Control Unit - Digital Modules (SCU-DM)
Table 53 Effect of Reset on Modules/Functions
Module/
Function
Power-On/
Brown-Out
Reset
Wake-up
Reset
1)
1) MCU sub-system: Hardware reset, WDT1 reset and wake-up reset (from Stop Mode or Sleep Mode) are generally HW-
equivalent to power-on/brown-out reset, any exceptions are mainly due to power-on reset being a ‘cold’ start.
Hardware
Reset
Soft Reset
CPU Core
n
n
n
n
n
SCU
n
except reset
indication bit
n
except
indication
bits
n
except reset
indication bit
n
except reset
indication bit
n
except
certain status
bits
Peripherals
n
n
n
n
n
Debug System
n
n
n
n
n
Port Control
n
n
n
n
n
FW Startup
Execution
Executes all
INIT
Sleep:
Executes all
INIT
Executes
most INIT
Executes
most INIT
Skips not
required INIT
On-Chip Static
RAM
Initialized to 0 Sleep:
Initialized to
0;
Stop: Not
affected
Not affected
2)3)
2) Not affected = Reset has no direct effect on RAM contents.
3) If the reset happens during a write to SRAM, the byte in the targeted write address may be corrupted.
Not
affected
Not affected
Memory
Extension
Stack RAM
Affected
Affected
Affected
Affected
Affected
NVM
n
n
n
n
n
incl. MapRAM
Clock System
incl. PLL
n
n
n
n
Not affected