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AD9547/PCBZ 数据表(PDF) 61 Page - Analog Devices |
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AD9547/PCBZ 数据表(HTML) 61 Page - Analog Devices |
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61 / 104 page  AD9547 Rev. 0 | Page 61 of 104 Addr Opt1 Name D7 D6 D5 D4 D3 D2 D1 D0 Def 0x061E R divider R[23:0] 0x00 0x061F 0x00 0x0620 0x00 0x0621 Unused R[29:24] 0x00 0x0622 S divider S[15:0] 0x00 0x0623 0x00 0x0624 Unused S[19:16] 0x00 0x0625 Unused 0x00 0x0626 Fractional feedback divider V[7:0] 0x00 0x0627 U[3:0] Unused V[9:8] 0x00 0x0628 Unused U[9:4] 0x00 0x0629 Lock detectors Phase lock threshold[15:0] (in ps) 0x00 0x062A 0x00 0x062B Phase lock fill rate[7:0] 0x00 0x062C Phase lock drain rate[7:0] 0x00 0x062D Frequency lock threshold[23:0] (in ps) 0x00 0x062E 0x00 0x062F 0x00 0x0630 Frequency lock fill rate[7:0] 0x00 0x0631 Frequency lock drain rate[7:0] 0x00 Profile Registers—Profile 1 0x0632 Priorities Unused Promoted priority[2:0] Selection priority[2:0] 0x00 0x0633 Reference period Nominal reference period[39:0] (in units of fs up to 1.1 ms) 0x00 0x0634 0x00 0x0635 0x00 0x0636 0x00 0x0637 0x00 0x0638 Unused (write 0s to these bits) 0x00 0x0639 0x00 0x063A Tolerance Inner tolerance[15:0] (1/tolerance) (removes fault status; 10% down to 1 ppm) 0x00 0x063B 0x00 0x063C Unused Inner tolerance[19:16] 0x00 0x06CD Outer tolerance[15:0] (1/tolerance) (indicates fault status; 10% down to 1 ppm) 0x00 0x063E 0x00 0x063F Unused Outer tolerance[19:16] 0x00 0x0640 Validation timer Validation timer[15:0] (in units of ms up to 65.5 sec) 0x00 0x0641 0x00 0x0642 Redetect timer Redetect timer[15:0] (in units of ms up to 65.5 sec) 0x00 0x0643 0x00 0x0644 Digital loop filter coeffi- cients Alpha-0 linear[15:0] 0x00 0x0645 0x00 0x0646 Alpha-2 exponent[1:0] Alpha-1 exponent[5:0] 0x00 0x0647 Beta-0 linear[6:0] Alpha-2 exponent[2] 0x00 0x0648 Beta-0 linear[14:7] 0x00 0x0649 Unused Beta-1 exponent[4:0] Beta-0 linear[16:15] 0x00 0x064A Gamma-0 linear[15:0] 0x00 0x064B 0x00 0x064C Unused Gamma-1 exponent[4:0] Gamma-0 linear[16] 0x00 0x064D Delta-0 linear[7:0] 0x00 0x064E Delta-1 ex- ponent[0] Delta-0 linear[14:8] 0x00 0x064F Alpha-3 exponent[3:0] Delta-1 exponent[4:1] 0x00 |
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