MB15U10 Fujitsu Microelectronics, Inc., MB15U10 Datasheet - Page 8

• Manufacturer Part Number: MB15U10
• Description: Dual Serial Input Pll Frequency Synthesizer On-chip 1.1 Ghz Prescaler
• Manufacturer: Fujitsu Microelectronics, Inc.

8
b) Data setting description
MB15U10
Divide Ratio
Divide Ratio
Divide Ratio
Note:
Note:
Note:
Note: R = Programmed value with R0 to R11 bits
Table 1 : MA0 to MA16 : Divide ratio of the binary 17-bit main counter (PLL1)
Table 2 : MB0 to MB16 : Divide ratio of the binary 17-bit main counter (PLL2)
Table 3 : R0 to R11 : Divide ratio of the binary 12-bit reference counter
Table 4 : Divide ratio select bit of reference frequency (PLL1 and PLL2)
(MB)
1024
1025
(MA)
1024
1025
(R)
SR
6
7
0
1
Divide ratios less than 1,024 are prohibited. (Divide ratio = 1,024 to 131,071)
Divide ratios less than 1,024 are prohibited. (Divide ratio = 1,024 to 131,071)
Divide ratios less than 6 are prohibited. (Divide ratio = 6 to 4,095)
16
M
B
16
11
Divide ratio of reference
0
0
M
A
R
0
0
0
0
frequency (PLL1)
15
M
15
B
10
0
0
M
A
R
0
0
0
0
14
R
R
M
14
B
0
0
M
A
R
0
0
9
0
0
13
13
M
B
M
0
0
A
R
0
0
8
0
0
12
M
12
B
0
0
M
A
R
0
0
7
0
0
Divide ratio of reference
11
11
M
B
M
0
0
A
0
0
R
6
0
0
frequency (PLL2)
10
10
M
B
M
A
1
1
R
1
1
5
0
0
2R
R
M
B
M
9
0
0
A
9
0
0
R
4
0
0
M
B
M
A
8
0
0
R
8
0
0
3
0
0
M
M
B
A
7
0
0
7
0
0
R
2
1
1
M
B
M
A
6
0
0
6
0
0
R
1
1
1
M
M
B
A
5
0
0
5
0
0
R
0
0
1
M
M
A
B
4
0
0
4
0
0
M
M
B
A
3
0
0
3
0
0
M
M
A
B
2
2
0
0
0
0
M
M
A
B
1
0
0
1
0
0
M
A
M
B
0
0
1
0
0
1