MC9S12E Motorola, MC9S12E Datasheet - Page 127

• Manufacturer Part Number: MC9S12E
• Description: MC9S12E-Family Device User Guide V01.04
• Manufacturer: Motorola

This is very important to notice with respect to timers, serial modules where a pre-scaler will eliminate the
effect of the jitter to a large extent.
Conditions are shown in Table A-4 unless otherwise noted
NOTES:
Num
1. % deviation from target frequency
2. f
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
10K
OSC
Ω
= 4MHz, f
.
C
P
D
D
D
D
D
C
D
D
D
D
D
D
C
C
Self Clock Mode frequency
VCO locking range
Lock Detector transition from Acquisition to
Tracking mode
Lock Detection
Un-Lock Detection
Lock Detector transition from Tracking to
Acquisition mode
PLLON Total Stabilization delay (Auto Mode)
PLLON Acquisition mode stabilization delay
PLLON Tracking mode stabilization delay
Fitting parameter VCO loop gain
Fitting parameter VCO loop frequency
Charge pump current acquisition mode
Charge pump current tracking mode
Jitter fit parameter 1
Jitter fit parameter 2
BUS
= 25MHz equivalent f
J(N)
1
Freescale Semiconductor, Inc.
For More Information On This Product,
(2)
(2)
Rating
5
Table B-4 PLL Characteristics
VCO
Go to: www.freescale.com
= 50MHz: REFDV = #$03, SYNR = #$018, Cs = 4.7nF, Cp = 470pF, Rs =
10
(2)
(2)
2
Device User Guide — 9S12E128DGV1/D V01.04
Symbol
|∆
|∆
|∆
| i
| i
f
f
|∆
t
SCM
VCO
t
20
stab
Lock
K
acq
t
f
ch
ch
j
j
unl
unt
al
trk
1
2
1
1
|
|
|
|
|
|
Min
0.5
1
8
3
0
6
N
Typ
-100
38.5
0.5
0.3
0.2
3.5
60
Max
0.13
5.5
1.5
2.5
1.1
50
4
8
MHz/V
Unit
MHz
MHz
MHz
%
%
%
%
ms
ms
ms
µA
µA
%
%
(1)
(1)
(1)
1
127