Motorola ColdFire MCF5281 - Manual (Page 189)

Clock Module
Freescale Semiconductor 9-19
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
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 1 0 0 Off X 0 PLL
disabled
Regain SCM SCM 0 0 1 Wakeup without
lock
SCM 1 0 0 Off X 1 PLL
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
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