MB15A02 Fujitsu Microelectronics, MB15A02 Datasheet - Page 6
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MB15A02
Manufacturer Part Number
MB15A02
Description
Low Power Serial Input PLL Synthesizer With 1.1ghz Prescaler
Manufacturer
Fujitsu Microelectronics
Datasheet
1.MB15A02.pdf
(17 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MB15A02PF
Manufacturer:
FUJITSU/富士通
Quantity:
20 000
Part Number:
MB15A02PFV
Manufacturer:
FUJITSU/富士通
Quantity:
20 000
6
7-BIT SWALLOW COUNTER DIVIDE RATIO
11-BIT PROGRAMMABLE COUNTER DIVIDE RATIO
PULSE SWALLOW FUNCTION
f
N:
A:
f
R:
P:
MB15A02
VCO
OSC
NOTE: Divide ratio: 0 to 127
NOTES: Divide ratio less than 16 is prohibited.
f
VCO
C
Divide
Divide
Ratio
Ratio
2047
127
:Output frequency of external voltage controlled oscillator (VCO)
:Output frequency of the external reference frequency oscillator
16
17
N
A
Preset divide ratio of binary 11-bit programmable counter (16 to 2,047)
Preset divide ratio of binary 7-bit swallow counter (0 A 127, A<N)
Preset divide ratio of binary 14-bit programmable reference counter (6 to16,383)
Preset modulus of external dual modulus prescaler (64 or 128)
0
1
= [(PxN)+A] xf
S
1
Divide ratio: 16 to 2,047
S1 to S7: Swallow counter divide ratio setting bit. (0 to 127)
S8 to S18: Programmable counter divide ratio setting bit.
C: Control bit (sets at low level).
Data input with MSB first.
18
S
2
S
7
0
0
1
S
0
0
1
Divide ratio of swallow
Control bit
LSB
17
S
S
S
3
6
0
0
1
0
0
1
OSC
setting bit
counter
16
S
4
S
5
0
0
1
S
0
0
1
R
15
S
S
S
5
4
0
0
1
0
0
1
14
S
S
S
6
3
0
0
1
0
0
1
13
S
S
S
7
2
0
0
1
0
0
1
Direction of data shift
12
S
S
S
8
1
0
1
1
1
1
1
11
S
S
9
0
0
1
10
10
S
S
0
0
1
Divide ratio of programmable
11
S
S
9
0
0
1
12
S
S
8
0
1
1
setting bit
counter
13
S
14
S
15
S
16
S
MSB
17
S
18
S