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AD9547/PCBZ 数据表(PDF) 62 Page - Analog Devices |
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AD9547/PCBZ 数据表(HTML) 62 Page - Analog Devices |
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62 / 104 page  AD9547 Rev. 0 | Page 62 of 104 Addr Opt1 Name D7 D6 D5 D4 D3 D2 D1 D0 Def 0x0650 R divider R[23:0] 0x00 0x0651 0x00 0x0652 0x00 0x0653 Unused R[29:24] 0x00 0x0654 S divider S[15:0] 0x00 0x0655 0x00 0x0656 Unused S[19:16] 0x00 0x0657 Unused 0x00 0x0658 Fractional feedback divider V[7:0] 0x00 0x0659 U[3:0] Unused V[9:8] 0x00 0x065A Unused U[9:4] 0x00 0x065B Lock detectors Phase lock threshold[15:0] (in units of ps) 0x00 0x065C 0x00 0x065D Phase lock fill rate[7:0] 0x00 0x065E Phase lock drain rate[7:0] 0x00 0x065F Frequency lock threshold[23:0] (in ps) 0x00 0x0660 0x00 0x0661 0x00 0x0662 Frequency lock fill rate[7:0] 0x00 0x0663 Frequency lock drain rate[7:0] 0x00 0x0664 to 0x067F Unused Unused Profile Registers—Profile 2 0x0680 Priorities Unused Promoted priority[2:0] Selection priority[2:0] 0x00 0x0681 Reference period Nominal period[39:0] (in units of fs up to 1.1 ms) 0x00 0x0682 0x00 0x0683 0x00 0x0684 0x00 0x0685 0x00 0x0686 Unused (write 0s to these bits) 0x00 0x0687 0x00 0x0688 Tolerance Inner tolerance[15:0] (1/tolerance) (removes fault status; 10% down to 1 ppm) 0x00 0x0689 0x00 0x068A Unused Inner tolerance[19:16] 0x00 0x068B Outer tolerance[15:0] (1/tolerance) (indicates fault status; 10% down to 1 ppm) 0x00 0x068C 0x00 0x068D Unused Outer tolerance [19:16] 0x00 0x068E Validation timer Validation timer[15:0] (ms) (up to 65,535 ms) 0x00 0x068F 0x00 0x0690 Redetect timer Redetect timer[15:0] (ms) (up to 65,535 ms) 0x00 0x0691 0x00 0x0692 Digital loop filter coeffi- cients Alpha-0 linear[15:0] 0x00 0x0693 0x00 0x0694 Alpha-2 exponent[1:0] Alpha-1 exponent[5:0] 0x00 0x0695 Beta-0 linear[6:0] Alpha-2 exponent[2] 0x00 0x0696 Beta-0 linear[14:7] 0x00 0x0697 Unused Beta-1 exponent[4:0] Beta-0 linear[16:15] 0x00 0x0698 Gamma-0 linear[15:0] 0x00 0x0699 0x00 0x069A Unused Gamma-1 exponent[4:0] Gamma-0 linear[16] 0x00 0x069B Delta-0 linear[7:0] 0x00 0x069C Delta-1 ex- ponent[0] Delta-0 linear[14:8] 0x00 0x069D Alpha-3 exponent[3:0] Delta-1 exponent[4:1] 0x00 |
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