MC9S12HZ256 Datasheet, PDF (647/692 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Appendix A Electrical Characteristics
Table A-17. 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
3 D Lock Detector transition from Acquisition to Tracking
|∆_trk|
3
mode
50
MHz
4
%¹
4 D Lock Detection
|∆_Lock|
0
5 D Un-Lock Detection
|∆_unl|
0.5
6 D Lock Detector transition from Tracking to Acquisition
|∆_unt|
6
mode
1.5
%¹
2.5
%¹
8
%¹
7 C PLLON Total Stabilization delay (Auto Mode) ²
t_stab
8 D PLLON Acquisition mode stabilization delay ²
t_acq
9 D PLLON Tracking mode stabilization delay ²
t_al
0.5
ms
0.3
ms
0.2
ms
10 D Fitting parameter VCO loop gain
K₁
–100
MHz/V
11 D Fitting parameter VCO loop frequency
f₁
60
MHz
12 D Charge pump current acquisition mode
| i_ch |
38.5
µA
13 D Charge pump current tracking mode
| i_ch |
3.5
µA
14 C Jitter fit parameter 1 ²
j₁
1.1
%
15 C Jitter fit parameter 2 ²
j₂
0.13
%
1 _{% deviation from target frequency}
2 _{fREF = 4MHz, fBUS = 25MHz equivalent fVCO = 50MHz: REFDV = #$03, SYNR = #$18, Cs = 4.7nF, Cp = 470pF, Rs = 10KΩ.}
MC9S12HZ256 Data Sheet, Rev. 2.04
Freescale Semiconductor
647