mc9s12e256 Freescale Semiconductor, Inc, mc9s12e256 Datasheet - Page 577

• Manufacturer Part Number: mc9s12e256
• Description: Hcs12 Microcontrollers 16-bit Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

1
2
Freescale Semiconductor
Conditions are shown in
Num
% deviation from target frequency
f
OSC
10
11
12
13
14
15
1
2
3
4
5
6
7
8
9
= 4MHz, f
C
P
D
D
D
D
D
C
D
D
D
D
D
D
C
C
BUS
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
= 25MHz equivalent f
Table A-4
unless otherwise noted
2
2
Rating
VCO
Table A-13. PLL Characteristics
MC9S12E256 Data Sheet, Rev. 1.08
= 50MHz: REFDV = #$03, SYNR = #$018, Cs = 4.7nF, Cp = 470pF, Rs = 10K .
2
2
2
Symbol
f
| i
| i
f
t
t
SCM
VCO
stab
Lock
acq
K
t
f
ch
ch
j
j
unl
unt
trk
al
1
2
1
1
|
|
|
|
|
|
Min
0.5
—
—
—
—
—
—
—
—
—
1
8
3
0
6
Appendix A Electrical Characteristics
-100
38.5
Typ
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
MHz
MHz
MHz
Unit
%
%
%
%
ms
ms
ms
%
%
A
A
1
1
1
1
577