Freescale Semiconductor HCS12X, Reference Manual

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Appendix A Electrical Characteristics
MC9S12XE-Family Reference Manual Rev. 1.19
Freescale Semiconductor 1239
Defining the jitter as:
The following equation is a good fit for the maximum jitter:
Figure A-6. Maximum bus clock jitter approximation
J N
( )
max 1
t
max
N
( )
N t
nom
⋅
-----------------------
– 1
t
min
N
( )
N t
nom
⋅
-----------------------
– ,
⎝ ⎠
⎜ ⎟
⎛ ⎞
=
J N
( )
j
1
N
--------
j
2
+ =
1 5 10 20 N
J(N)
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