MB15F05L 데이터 시트보기 (PDF) - Fujitsu
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MB15F05L Datasheet PDF : 24 Pages
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MB15F05L
Table.4 Binary 11-bit Programmable Counter Data Setting
Divide
ratio
(N)
5
6
·
2047
NNNNNNNNNNN
11 10 9 8 7 6 5 4 3 2 1
00000000101
00000000110
·
·
·
·
·
·
·
·
·
·
·
11111111111
Note: • Divide ratio less than 5 is prohibited.
Table.5 Binary 7-bit Swallow Counter Data Setting
Divide
ratio
(A)
0
1
·
127
AAAAAAA
7654321
0000000
0000001
·
·
·
·
·
·
·
1111111
Note: • Divide ratio (A) range = 0 to 127
Table. 6 Prescaler Data Setting
Prescaler
divide ratio
RF-PLL
SW = ”H”
64/65
SW = ”L”
128/129
Table. 7 Phase Comparator Phase Switching Data Setting
Phase
Compara-
tor input
fr > fp
fr = fp
fr < fp
VCO polarity
FCRF = H
DoRF
H
Z
L
(1)
FCRF = L
DoRF
L
Z
H
(2)
Phase
Compara-
tor input
fr > fp
fr = fp
fr < fp
FCIF = H
DoIF
H
Z
L
• Z = High–impedance
• Depending upon the VCO and LPF polarity,
(1)
FC bit should be set.
VCO Output
Frequency
(2)
VCO Input Voltage
10
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