Motorola ColdFire MCF5281 - Manual (Page 187)

Clock Module
Freescale Semiconductor 9-17
NRM 0 0 0 Off On 0 Lose lock Regain NRM ‘LK 1 ‘LC Block LOCKS
from being
cleared
Lose reference
clock or no lock
regain Stuck — — —
Lose reference
clock,
regain NRM ‘LK 1 ‘LC Block LOCKS
from being
cleared
NRM 0 0 0 Off On 1 Lose lock No lock regain Unstable
NRM 0–>‘L
K 0–>
1 ‘LC Block LOCKS
until lock
regained
Lose reference
clock or no f.b.
clock regain Stuck — — —
Lose reference
clock, regain Unstable
NRM 0–>‘L
K 0–>
1 ‘LC LOCS not set
because
LOCEN = 0
NRM 0 0 0 On On 0 — — NRM ‘LK 1 ‘LC
Lose lock or clock Stuck — — —
Lose lock, regain NRM 0 1 ‘LC
Lose clock and
lock, regain NRM 0 1 ‘LC LOCS not set
because
LOCEN = 0
NRM 0 0 0 On On 1 — — NRM ‘LK 1 ‘LC
Lose lock Unstable
NRM 0 0–>
1 ‘LC
Lose lock, regain NRM 0 1 ‘LC
Lose clock Stuck — — —
Lose clock, regain
without lock Unstable
NRM 0 0–>
1 ‘LC
Lose clock, regain
with lock NRM 0 1 ‘LC
NRM X X 1 Off X X Lose lock,
f.b. clock,
reference
clock
RESET RESET — — — Reset
immediately
Table 9-10. Stop Mode Operation (Sheet 2 of 5)
MODE
In
LO
CEN
LOCRE LO
LRE
PLL OSC
FWKUP
Expected
PLL
Action at
Stop
PLL Action
During Stop
MODE
Out
LOCKSS
LO
CK
LO
CS Comments
MCF5282 and MCF5216 ColdFire Microcontroller User’s Manual, Rev. 3