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Clock Module
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 6-25
NRM 1 0 0 Off On 0 Lose lock,
f.b. clock
Regain NRM ‘LK 1 ‘LC REF mode not
entered during
stop
No f.b. clock or
lock regain
Stuck — — —
Lose reference
clock
SCM 0 0 1 Wakeup without
lock
NRM 1 0 0 Off On 1 Lose lock,
f.b. clock
Regain f.b. clock Unstable
NRM
0–>‘LK 0–>1 ‘LC REF mode not
entered during
stop
No f.b. clock
regain
Stuck — — —
Lose reference
clock
SCM 0 0 1 Wakeup without
lock
NRM 1 0 0 On On 0 — — NRM ‘LK 1 ‘LC
Lose reference
clock
SCM 0 0 1 Wakeup without
lock
Lose f.b. clock REF 0 X 1 Wakeup without
lock
Lose lock Stuck — — —
Lose lock, regain NRM 0 1 ‘LC
NRM 1 0 0 On On 1 — — NRM ‘LK 1 ‘LC
Lose reference
clock
SCM 0 0 1 Wakeup without
lock
Lose f.b. clock REF 0 X 1 Wakeup without
lock
Lose lock Unstable
NRM
00–>1‘LC
NRM 1 0 1 On On X — — NRM ‘LK 1 ‘LC
Lose lock or clock RESET — — — Reset
immediately
NRM 1 1 X Off X X Lose lock,
f.b. clock,
reference
clock
RESET RESET — — — Reset
immediately
Table 6-19. Stop Mode Operation (continued)
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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