參數(shù)資料
型號(hào): MC9S12C128
廠商: Motorola, Inc.
英文描述: 16-Bit Microcontroller
中文描述: 16位微控制器
文件頁數(shù): 110/124頁
文件大?。?/td> 2125K
代理商: MC9S12C128
MC9S12DP512 Device Guide V01.23
110
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.
Table A-16 PLL Characteristics
Conditions are shown in
Table A-4
unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
Unit
1
P Self Clock Mode frequency
f
SCM
1
-
5.5
MHz
2
D VCO locking range
f
VCO
8
-
50
MHz
3
D
Lock Detector transition from Acquisition to Tracking
mode
|
trk
|
3
-
4
%
1
NOTES
:
1. % deviation from target frequency
2. f
OSC
= 4MHz, f
BUS
= 25MHz equivalent f
VCO
= 50MHz: REFDV = #$03, SYNR = #$018, Cs = 4.7nF, Cp = 470pF, Rs =
10K
.
4
D Lock Detection
|
Lock
|
0
-
1.5
%
(1)
5
D Un-Lock Detection
|
unl
|
0.5
-
2.5
%
(1)
6
D
Lock Detector transition from Tracking to Acquisition
mode
|
unt
|
6
-
8
%
(1)
7
C PLLON Total Stabilization delay (Auto Mode)
2
t
stab
-
0.5
-
ms
8
D PLLON Acquisition mode stabilization delay
(2)
t
acq
-
0.3
-
ms
9
D PLLON Tracking mode stabilization delay
(2)
t
al
-
0.2
-
ms
10
D Fitting parameter VCO loop gain
K
1
-
-100
-
MHz/V
11
D Fitting parameter VCO loop frequency
f
1
-
60
-
MHz
12
D Charge pump current acquisition mode
| i
ch
|
-
38.5
-
μ
A
13
D Charge pump current tracking mode
| i
ch
|
-
3.5
-
μ
A
14
C Jitter fit parameter 1
(2)
j
1
-
-
1.1
%
15
C Jitter fit parameter 2
(2)
j
2
-
-
0.13
%
F
For More Information On This Product,
Go to: www.freescale.com
n
.
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