參數(shù)資料
型號: 9S12KT256DGV1
英文描述: MC9S12KT256 Device User Guide
中文描述: MC9S12KT256設(shè)備用戶指南
文件頁數(shù): 110/126頁
文件大?。?/td> 7307K
代理商: 9S12KT256DGV1
Device User Guide — 9S12KT256DGV1/D V01.09
110
Freescale Semiconductor
Table A-20 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
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
%
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