MC9S12HY64 Datasheet, PDF (741/792 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

J(N)
Electrical Characteristics
1
5
10
20
N
Figure A-3. Maximum Bus Clock Jitter Approximation
NOTE
On timers and serial modules a prescaler will eliminate the effect of the jitter
to a large extent.
A.6 Electrical Characteristics for the PLL
Table A-18. PLL Characteristics
Conditions are shown in Table A-4 unless otherwise noted
Num C
Rating
Symbol
Min
Typ
Max
1 D VCO frequency during system reset
f_VCORST
8
32
2 C VCO locking range
f_VCO
32
64
3 C Reference Clock
f_REF
1
16
4 D Lock Detection
|∆_Lock|
0
1.5
6 D Un-Lock Detection
|∆_unl|
0.5
2.5
7 C Time to lock
t_lock
8 C Jitter fit parameter 1⁽²⁾
j₁
1. % deviation from target frequency
150 +
256/f_REF
1.2
2. f_REF = 1MHz, f_BUS = 32MHz equivalent f_PLL = 64MHz, REFRQ=00, SYNDIV=$1F, VCOFRQ=01, POSTDIV=$00
Unit
MHz
MHz
MHz
%⁽¹⁾
%¹
µs
%
A.7 Electrical Characteristics for the IRC1M
Table A-19. 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_TRI}
0.98
1
1.02
MHz
Internal Reference Frequency, factory trimmed
M
2 P Junction Temperature Range -40°C to 105°C
f_{IRC1M_TRI}
0.985
1
1.015
MHz
Internal Reference Frequency, factory trimmed
M
MC9S12HY/HA-Family Reference Manual, Rev. 1.04
Freescale Semiconductor
741