Microcontroller User's Manual

9-20 MCF5282 User’s Manual MOTOROLA
Functional Description
NRM 1 1 X Off X X Lose lock,
f.b. clock,
reference
clock
RESET RESET — — — Reset
immediately
NRM 1 1 0 On On 0 — — NRM ‘LK 1 ‘LC
Lose clock RESET — — — Reset
immediately
Lose lock Stuck — — —
Lose lock, regain NRM 0 1 ‘LC
NRM 1 1 0 On On 1 — — NRM ‘LK 1 ‘LC
Lose clock RESET — — — Reset
immediately
Lose lock Unstable
NRM
0 0–>1 ‘LC
Lose lock, regain NRM 0 1 ‘LC
NRM 1 1 1 On On X — — NRM ‘LK 1 ‘LC
Lose clock or lock RESET — — — Reset
immediately
REF 1 0 0 X X X — — REF 0 X 1
Lose reference
clock
Stuck ———
SCM 100OffX 0PLL
disabled
Regain SCM SCM 0 0 1 Wakeup without
lock
SCM 100OffX 1PLL
disabled
Regain SCM SCM 0 0 1
SCM 1 0 0 On On 0 — — SCM 0 0 1 Wakeup without
lock
Lose reference
clock
SCM
Table 9-10. Stop Mode Operation (Sheet 4 of 5)
MODE
In
LOCEN LOCRE
LOLRE
PLL
OSC
FWKUP
Expected
PLL
Action at
Stop
PLL Action
During Stop
MODE
Out
LOCKSS
LOCK
LOCS
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