Motorola ColdFire MCF5281 User Manual page 225

Table 9-10. Stop Mode Operation (Sheet 3 of 5)
MODE
In
NRM 1 0 0 Off Off 0 Lose lock,
NRM 1 0 0 Off On 0 Lose lock,
NRM 1 0 0 Off On 1 Lose lock,
NRM 1 0 0 On On 0
NRM 1 0 0 On On 1
NRM 1 0 1 On On X
MOTOROLA
Expected
PLL PLL Action
Action at During Stop
Stop
Regain
f.b. clock,
reference
clock
No regain
Regain
f.b. clock
No f.b. clock or
lock regain
Lose reference
clock
Regain f.b. clock
f.b. clock
No f.b. clock
regain
Lose reference
clock
— —
Lose reference
clock
Lose f.b. clock
Lose lock
Lose lock, regain
— —
Lose reference
clock
Lose f.b. clock
Lose lock
— —
Lose lock or clock RESET
Chapter 9. Clock Module
MODE
Out
NRM 'LK 1
Stuck — —
NRM 'LK 1
Stuck — —
SCM 0 0
Unstable 0–>'L 0–>1 'LC
NRM K
Stuck — —
SCM 0 0
NRM 'LK 1
SCM 0 0
REF 0 X
Stuck — —
NRM 0 1
NRM 'LK 1
SCM 0 0
REF 0 X
Unstable 0 0–>1 'LC
NRM
NRM 'LK 1
— —
Functional Description
Comments
'LC REF not entered
during stop;
SCM entered
during stop only
during oscillator
startup
—
'LC REF mode not
entered during
stop
—
1 Wakeup without
lock
REF mode not
entered during
stop
—
1 Wakeup without
lock
'LC
1 Wakeup without
lock
1 Wakeup without
lock
—
'LC
'LC
1 Wakeup without
lock
1 Wakeup without
lock
'LC
— Reset
immediately
9-19