Datasheet

Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual Rev. 1.25
1240 Freescale Semiconductor
Defining the jitter as:
The following equation is a good fit for the maximum jitter:
Figure A-6. Maximum bus clock jitter approximation
JN() max 1
t
max
N()
Nt
nom
⋅
-----------------------
– 1
t
min
N()
Nt
nom
⋅
-----------------------
–,
⎝⎠
⎜⎟
⎛⎞
=
JN()
j
1
N
--------
j
2
+=
1 5 10 20 N
J(N)