Electrical Characteristics
A.4.2
Electrical Characteristics for the PLL
Table A-20. PLL Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
2
3
4
6
7
D VCO frequency during system reset
C VCO locking range
C Reference Clock
fVCORST
fVCO
8
32
1
32
64
MHz
MHz
MHz
fREF
(1)
D Lock Detection
|∆Lock
|∆unl
tlock
|
0
1.5
2.5
%
1
D Un-Lock Detection
C Time to lock
|
0.5
%
150 +
256/fREF
µs
8
C Jitter fit parameter 1(2)
j1
1.4
%
1. % deviation from target frequency
2. fREF = 4MHz oscillator, fBUS = 32MHz equivalent fPLL = 64MHz, CPMUREFDIV=$40, CPMUSYNR=$47, CPMUPOSTDIV=$00
A.5
Electrical Characteristics for the IRC1M
Table A-21. IRC1M Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num
C
Rating
Symbol
Min
Typ
Max
Unit
1
P Junction Temperature -40°C to 150°C
fIRC1M_TRIM
0.985
1
1.015
MHz
Internal Reference Frequency, factory trimmed
S12P-Family Reference Manual, Rev. 1.13
Freescale Semiconductor
525