MCF51JM64 FREESCALE [Freescale Semiconductor, Inc], MCF51JM64 Datasheet - Page 28

• Manufacturer Part Number: MCF51JM64
• Description: MCF51JM128 ColdFire Microcontroller
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Preliminary Electrical Characteristics
2.10
28
Num C
10
11
12
13
14
17
18
1
2
3
4
5
6
7
8
9
—
D Internal reference startup time
C
C
C
C FLL acquisition time
D PLL acquisition time
C
D VCO operating frequency
D Lock entry frequency tolerance
P
P
P
P DCO output frequency range - trimmed
P
T
Internal reference frequency - factory
trimmed at V
= 25
Average internal reference frequency -
untrimmed
Average internal reference frequency -
user trimmed
DCO output frequency range -
untrimmed
value provided for reference: f
1024 X f
Resolution of trimmed DCO output
frequency at fixed voltage and
temperature (using FTRIM)
Resolution of trimmed DCO output
frequency at fixed voltage and
temperature (not using FTRIM)
Total deviation of trimmed DCO output
frequency over voltage and
temperature
Total deviation of trimmed DCO output
frequency over fixed voltage and
temperature range of 0 - 70
Long term Jitter of DCO output clock
(averaged over 2ms interval)
Jitter of PLL output clock measured
over 625 ns
MCG Specifications
Table 16. MCG Frequency Specifications (Temperature Range = –40 to 125°C Ambient)
°C
int_ut
1
1
5
DD
Rating
= 5 V and temperature
2
3
°C
MCF51JM128 ColdFire Microcontroller, Rev. 2
4
dco_ut
6
=
f
pll_jitter_625ns
Δf
Δf
t
t
Symbol
pll_acquire
fll_acquire
Δf
Δf
f
dco_res_t
dco_res_t
C
f
f
D
f
t
dco_ut
f
int_ut
dco_t
f
int_ft
irefst
int_t
dco_t
dco_t
Jitter
vco
lock
± 1.49
31.25
25.6
Min
7.0
25
32
—
—
—
—
—
—
—
—
—
—
Typical
0.566
31.25
33.48
+ 0.5
± 0.1
± 0.2
± 0.5
32.7
0.02
-1.0
60
—
—
—
—
—
—
5
Freescale Semiconductor
39.0625
± 2.98
41.66
42.66
± 0.2
± 0.4
Max
55.0
100
± 2
± 1
0.2
40
—
—
1
1
%f
%f
%f
%f
%f
MHz
MHz
MHz
Unit
%f
kHz
kHz
kHz
ms
ms
us
%
dco
dco
dco
dco
dco
pll