MC9S12P128 Datasheet, PDF (523/564 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

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 D VCO frequency during system reset
f_VCORST
8
32
MHz
2 C VCO locking range
f_VCO
32
64
MHz
3 C Reference Clock
4 D Lock Detection
6 D Un-Lock Detection
f_REF
1
|∆_Lock|
0
|∆_unl|
0.5
MHz
1.5
%⁽¹⁾
2.5
%¹
7 C Time to lock
t_lock
8 C Jitter fit parameter 1⁽²⁾
j₁
1. % deviation from target frequency
150 +
µs
256/f_REF
1.4
%
2. f_REF = 4MHz oscillator, f_BUS = 32MHz equivalent f_PLL = 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
f_{IRC1M_TRIM}
0.985
1
1.015
MHz
Internal Reference Frequency, factory trimmed
S12P-Family Reference Manual, Rev. 1.12
Freescale Semiconductor
523