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ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
Category
REF in Frequency* 1) Value must be
Step Size*
VCO Frequencies 1) Value must be:
MC145220EVK
16
Freescale Semiconductor, Inc.
Table 2. Error Messages
Validation Requirements
27 MHz and
1 MHz
2) Divide ratio (value converted to
kHz/step size in kHz):
a) Must be
8191
b) Must be an integer (there must
be no fractional result of the
division)
c) Must be in range:
i) = 1 or
5 ('190, '191, '192,
'200, '201, '202)
ii) = 1 or be
10 ('220S, '220D)
1) Value must be:
a)
120 Hz and
2 MHz
('190, '191, '200, '201, '202)
b)
120 Hz and
1 MHz
('192, '220S, '220D)
a)
100 MHz and
1100 MHz
('190, '191, '192)
b)
500 MHz and
2000 MHz
('200, '201, '202)
c)
40 MHz and
1100 MHz
('220S)
d)
60 MHz and
80 MHz ('220D)
2) Divide ratio (value converted to
kHz/step size in kHz) must be an
integer (this step skipped for '220D)
3) N Counter must be
(this step skipped for '220D)
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Corresponding Error Message
REF in frequency must be
1 MHz and
REF in /channel spacing must be
REF in frequency is not a multiple of the
step size
REF in /channel spacing must be
or 1
REF in /channel spacing must be
or 1
Step size must be
2 MHz
Step size must be
1 MHz
VCO frequency must be
100 MHz and
VCO frequency must be
500 MHz and
VCO frequency must be
40 MHz and
VCO frequency must be
60 MHz and
EVK)
VCO frequency is not evenly divisible
by current step size
–OR–
VCO frequency is not evenly divisible
by current step size (freq. now n/a)
A Counter
Divide ratio is invalid, N Counter must
be
A Counter
–OR–
Divide ratio is invalid, N Counter must
be
A Counter (freq. now n/a)
27 MHz
8191
5
10
120 Hz and
120 Hz and
1100 MHz
2000 MHz
1100 MHz
80 MHz (limited by
Continued on next page
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