Datasheet

MCF5213 ColdFire Microcontroller, Rev. 3
Electrical Characteristics
Freescale Semiconductor32
2.7 Clock Source Electrical Specifications
Output high voltage (high drive)
I
OH
= -5 mA
V
OH
V
DD
– 0.5 — V
Output low voltage (high drive)
I
OL
= 5 mA
V
OL
—0.5V
Output high voltage (low drive)
I
OH
= -2 mA
V
OH
V
DD
- 0.5 — V
Output low voltage (low drive)
I
OL
= 2 mA
V
OL
—0.5V
Weak internal pull Up device current, tested at V
IL
Max.
2
I
APU
–10 –130 μA
Input Capacitance
3
• All input-only pins
• All input/output (three-state) pins
C
in
—
—
7
7
pF
1
Refer to Table 27 for additional PLL specifications.
2
Refer to Ta bl e 3 for pins having internal pull-up devices.
3
This parameter is characterized before qualification rather than 100% tested.
Table 27. PLL Electrical Specifications
(V
DD
and V
DDPLL
= 2.7 to 3.6 V, V
SS
= V
SSPLL
= 0 V)
Characteristic Symbol Min Max Unit
PLL reference frequency range
• Crystal reference
• External reference
f
ref_crystal
f
ref_ext
2
2
10.0
10.0
MHz
System frequency
1
• External clock mode
• On-chip PLL frequency
f
sys
0
f
ref
/ 32
66.67 or 80
2
66.67 or 80
2
MHz
Loss of reference frequency
3, 5
f
LOR
100 1000 kHz
Self clocked mode frequency
4
f
SCM
15MHz
Crystal start-up time
5, 6
t
cst
—10ms
EXTAL input high voltage
• External reference
V
IHEXT
2.0 V
DD
V
EXTAL input low voltage
• External reference
V
ILEXT
V
SS
0.8
V
PLL lock time
4,7
t
lpll
—500μs
Duty cycle of reference
4
t
dc
40 60 % f
ref
Table 26. DC Electrical Specifications (continued)
1
Characteristic Symbol Min Max Unit