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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9557/PCBZ датащи(PDF) 60 Page - Analog Devices |
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AD9557/PCBZ датащи(HTML) 60 Page - Analog Devices |
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60 / 92 page  AD9557 Data Sheet Rev. A | Page 60 of 92 Reg Addr (Hex) Opt Name D7 D6 D5 D4 D3 D2 D1 D0 Def Profile B (for REFB) 0x0740 L Reference period (up to 1.1 ms) Nominal period (fs), Bits[7:0] (default: 125 μs = 1/(8 kHz) for default system clock setting) 00 0x0741 L Nominal period (fs), Bits[15:8] A2 0x0742 L Nominal period (fs), Bits[23:16] 94 0x0743 L Nominal period (fs), Bits[31:24] 1A 0x0744 L Nominal period (fs), Bits[39:32] 1D 0x0745 L Frequency tolerance Inner tolerance (1 ppm), Bits[7:0] (for reference invalid to valid; 50% down to 1 ppm) (default: 5%) 14 0x0746 L Inner tolerance (1 ppm), Bits[15:8] (for reference invalid to valid; 50% down to 1 ppm) 00 0x0747 L Reserved Inner tolerance, Bits[19:16] 00 0x0748 L Outer tolerance (1 ppm), Bits[7:0] (for reference valid to invalid; 50% down to 1 ppm] (default: 10%) 0A 0x0749 L Outer tolerance (1 ppm), Bits[15:8] (for reference valid to invalid; 50% down to 1 ppm) 00 0x074A L Reserved Outer tolerance, Bits[19:16] 00 0x074B L Validation Validation timer (ms), Bits[7:0] (up to 65.5 seconds) 0A 0x074C L Validation timer (ms), Bits[15:8] (up to 65.5 seconds) 00 0x074D L Reserved 00 0x074E L Select base loop filter Reserved Sel high PM base loop filt 00 0x074F L DPLL loop BW Digital PLL loop bandwidth scaling factor[7:0] (default: 0x01F4 = 50 Hz) F4 0x0750 L Digital PLL loop bandwidth scaling factor[15:8] 01 0x0751 L Reserved BW scaling factor[16] 00 0x0752 L DPLL R divider (20 bits) R divider[7:0] 00 0x0753 L R divider[15:8] 00 0x0754 L Reserved Enable REFB divide-by-2 R divider[19:16] 00 0x0755 DPLL N divider (17 bits) Digital PLL feedback divider—Integer Part N1[7:0] 1F 0x0756 Digital PLL feedback divider—Integer Part N1[15:8] 5B 0x0757 Reserved Digital PLL feedback divider— Integer Part N1[16] 00 0x0758 DPLL fractional feedback divider (24 bits) Digital PLL fractional feedback divider—FRAC1[7:0] 00 0x0759 Digital PLL fractional feedback divider—FRAC1[15:8] 00 0x075A Digital PLL fractional feedback divider—FRAC1[23:16] 00 0x075B DPLL fractional feedback divider modulus (24 bits) Digital PLL feedback divider modulus—MOD1[7:0] 01 0x075C Digital PLL feedback divider modulus—MOD1[15:8] 00 0x075D Digital PLL feedback divider modulus—MOD1[23:16] 00 0x075E L Lock detectors Phase lock threshold[7:0] (ps) BC 0x075F L Phase lock threshold[15:8] (ps) 02 0x0760 L Phase lock fill rate[7:0] 0A 0x0761 L Phase lock drain rate[7:0] 0A 0x0762 L Frequency lock threshold[7:0] BC 0x0763 L Frequency lock threshold[15:8] 02 0x0764 L Frequency lock threshold[23:16] 00 0x0765 L Frequency lock fill rate[7:0] 0A 0x0766 L Frequency lock drain rate[7:0] 0A 0x0780 Reserved C9 0x0781 Reserved EA 0x0782 Reserved 10 0x0783 Reserved 03 0x0784 Reserved 00 0x0785 Reserved 14 0x0786 Reserved 00 0x0787 Reserved 00 0x0788 Reserved 0A |
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