SKY72310 Datasheet, PDF (9/19 Pages) List of Unclassifed Manufacturers – SKY72310: Spur-Free, 2.1 GHz Single Fractional-N Frequency Synthesizer

DATA SHEET • SKY72310 FREQUENCY SYNTHESIZER
A3 A2 A1 A0 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 X X X MSB
LSB
Figure 5. Divider Register (Write Only)
Synthesizer Divider Index
S1061
A3 A2 A1 A0 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 1 X X MSB
LSB
Synthesizer Dividend (MSBs)
S1062
Figure 6. Dividend MSB Register (Write Only)
A3 A2 A1 A0 11 10 9 8 7 6 5 4 3 2 1 0
0 0 1 0 X X X X MSB
LSB
Synthesizer Dividend (LSBs)
S1063
Figure 7. Dividend LSB Register (Write Only)
Table 2. Programming the Reference Frequency Divider
Decimal
Bit 4 (MSB)
Bit 3
Bit 2
0
0
0
0
1
0
0
0
2
0
0
0
—
—
—
—
—
—
—
—
—
—
—
—
31
1
1
1
Bit 1
Bit 0 (LSB)
Reference Divider
Ratio
0
0
1
0
1
2
1
0
3
—
—
—
—
—
—
—
—
—
1
1
32
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [e-mail] • www.skyworksinc.com
200705E • Skyworks Proprietary and Confidential information • Products and Product Information are Subject to Change Without Notice • July 30, 2008
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