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Bit(s)
Name
7
—
6
LVD
5
SOFT
4
WDR
3
POR
2
EXT
1
LOC
0
LOL
MOTOROLA
Table 28-4. RSR Field Descriptions
Reserved, should be cleared.
Low voltage detect. Indicates that the last reset state was caused by an LVD reset.
1 Last reset state was caused by an LVD reset
0 Last reset state was not caused by an LVD reset
Software reset flag. Indicates that the last reset was caused by software.
1 Last reset caused by software
0 Last reset not caused by software
Watchdog timer reset flag. Indicates that the last reset was caused by a watchdog timer timeout.
1 Last reset caused by watchdog timer timeout
0 Last reset not caused by watchdog timer timeout
Power-on reset flag. Indicates that the last reset was caused by a power-on reset.
1 Last reset caused by power-on reset
0 Last reset not caused by power-on reset
External reset flag. Indicates that the last reset was caused by an external device asserting the
external RSTI pin.
1 Last reset state caused by external reset
0 Last reset not caused by external reset
Loss-of-clock reset flag. Indicates that the last reset state was caused by a PLL loss of clock.
1 Last reset caused by loss of clock
0 Last reset not caused by loss of clock
Loss-of-lock reset flag. Indicates that the last reset state was caused by a PLL loss of lock.
1 Last reset caused by a loss of lock
0 Last reset not caused by loss of lock
Chapter 28. Reset Controller Module
Memory Map and Registers
Description
28-5
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