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AD9547/PCBZ 数据表(PDF) 63 Page - Analog Devices |
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AD9547/PCBZ 数据表(HTML) 63 Page - Analog Devices |
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63 / 104 page  AD9547 Rev. 0 | Page 63 of 104 Addr Opt1 Name D7 D6 D5 D4 D3 D2 D1 D0 Def 0x069E R divider R[23:0] 0x00 0x069F 0x00 0x06A0 0x00 0x06A1 Unused R[29:24] 0x00 0x06A2 S divider S[15:0] 0x00 0x06A3 0x00 0x06A4 Unused S[19:16] 0x00 0x06A5 Unused 0x00 0x06A6 Fractional feedback divider V[7:0] 0x00 0x06A7 U[3:0] Unused V[9:8] 0x00 0x06A8 Unused U[9:4] 0x00 0x06A9 Lock detectors Phase lock threshold[15:0] (in ps) 0x00 0x06AA 0x00 0x06AB Phase lock fill rate[7:0] 0x00 0x06AC Phase lock drain rate[7:0] 0x00 0x06AD Frequency lock threshold[23:0] (in ps) 0x00 0x06AE 0x00 0x06AF 0x00 0x06B0 Frequency lock fill rate[7:0] 0x00 0x06B1 Frequency lock drain rate[7:0] 0x00 Profile Registers—Profile 3 0x06B2 Priorities Unused Promoted priority[2:0] Selection priority[2:0] 0x00 0x06B3 Reference period Nominal period[39:0] (in fs up to 1.1 ms) 0x00 0x06B4 0x00 0x06B5 0x00 0x06B6 0x00 0x06B7 0x00 0x06B8 Unused (write 0s to these bits) 0x00 0x06B9 0x00 0x06BA Tolerance Inner tolerance[15:0] (1/tolerance) (removes fault status; 10% down to 1 ppm) 0x00 0x06BB 0x00 0x06BC Unused Inner tolerance[19:16] 0x00 0x06BD Outer tolerance[15:0] (1/tolerance) (indicates fault status; 10% down to 1 ppm) 0x00 0x06BE 0x00 0x06BF Unused Outer tolerance[19:16] 0x00 0x06C0 Validation timer Validation timer[15:0] (in ms up to 65,535 ms) 0x00 0x06C1 0x00 0x06C2 Redetect timer Redetect timer[15:0] (in ms up to 65,535 ms) 0x00 0x06C3 0x00 0x06C4 Digital loop filter coeffi- cients Alpha-0 linear[15:0] 0x00 0x06C5 0x00 0x06C6 Alpha-2 exponent[1:0] Alpha-1 exponent[5:0] 0x00 0x06C7 Beta-0 linear[6:0] Alpha-2 ex- ponent[2] 0x00 0x06C8 Beta-0 linear[14:7] 0x00 0x06C9 Unused Beta-1 exponent[4:0] Beta-0 linear [16:15] 0x00 0x06CA Gamma-0 linear[15:0] 0x00 0x06CB 0x00 0x06CC Unused Gamma-1 exponent[4:0] Gamma-0 linear[16] 0x00 0x06CD Delta-0 linear[7:0] 0x00 0x06CE Delta-1 ex- ponent[0] Delta-0 linear[14:8] 0x00 0x06CF Alpha-3 exponent[3:0] Delta-1 exponent[4:1] 0x00 0x06D0 R divider R[23:0] 0x00 0x06D1 0x00 0x06D2 0x00 0x06D3 Unused R[29:24] 0x00 |
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