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AD9547 Datasheet(PDF) 64 Page - Analog Devices |
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AD9547 Datasheet(HTML) 64 Page - Analog Devices |
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64 / 106 page  AD9547 Data Sheet Addr Opt1 Name D7 D6 D5 D4 D3 D2 D1 D0 Def 0x061E L R divider R[23:0] 0x00 0x061F L 0x00 0x0620 L 0x00 0x0621 L Unused R[29:24] 0x00 0x0622 L S divider S[15:0] 0x00 0x0623 L 0x00 0x0624 L Unused S[19:16] 0x00 0x0625 L Unused 0x00 0x0626 L Fractional feedback divider V[7:0] 0x00 0x0627 L U[3:0] Unused V[9:8] 0x00 0x0628 L Unused U[9:4] 0x00 0x0629 L Lock detectors Phase lock threshold[15:0] (in ps) 0x00 0x062A L 0x00 0x062B L Phase lock fill rate[7:0] 0x00 0x062C L Phase lock drain rate[7:0] 0x00 0x062D L Frequency lock threshold[23:0] (in ps) 0x00 0x062E L 0x00 0x062F L 0x00 0x0630 L Frequency lock fill rate[7:0] 0x00 0x0631 L Frequency lock drain rate[7:0] 0x00 Profile registers—Profile 1 0x0632 L Priorities Phase lock scale Unused Promoted priority[2:0] Selection priority[2:0] 0x00 0x0633 L Reference period Nominal reference period[39:0] (in units of fs up to 1.1 ms) 0x00 0x0634 L 0x00 0x0635 L 0x00 0x0636 L 0x00 0x0637 L 0x00 0x0638 L Unused (write 0s to these bits) 0x00 0x0639 L 0x00 0x063A L Tolerance Inner tolerance[15:0] (1/tolerance) (removes fault status; 10% down to 1 ppm) 0x00 0x063B L 0x00 0x063C L Unused Inner tolerance[19:16] 0x00 0x06CD L Outer tolerance[15:0] (1/tolerance) (indicates fault status; 10% down to 1 ppm) 0x00 0x063E L 0x00 0x063F L Unused Outer tolerance[19:16] 0x00 0x0640 L Validation timer Validation timer[15:0] (in units of ms up to 65.5 sec) 0x00 0x0641 L 0x00 0x0642 L Redetect timer Redetect timer[15:0] (in units of ms up to 65.5 sec) 0x00 0x0643 L 0x00 0x0644 L Digital loop filter coeffi- cients Alpha-0 linear[15:0] 0x00 0x0645 L 0x00 0x0646 L Alpha-2 exponent[1:0] Alpha-1 exponent[5:0] 0x00 0x0647 L Beta-0 linear[6:0] Alpha-2 exponent[2] 0x00 0x0648 L Beta-0 linear[14:7] 0x00 0x0649 L Unused Beta-1 exponent[4:0] Beta-0 linear[16:15] 0x00 0x064A L Gamma-0 linear[15:0] 0x00 0x064B L 0x00 0x064C L Unused Gamma-1 exponent[4:0] Gamma-0 linear[16] 0x00 0x064D L Delta-0 linear[7:0] 0x00 0x064E L Delta-1 ex- ponent[0] Delta-0 linear[14:8] 0x00 0x064F L Alpha-3 exponent[3:0] Delta-1 exponent[4:1] 0x00 Rev. G | Page 64 of 106 |
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