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AD9549APCBZ 数据表(PDF) 52 Page - Analog Devices |
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AD9549APCBZ 数据表(HTML) 52 Page - Analog Devices |
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52 / 76 page ![]() AD9549 Rev. D | Page 52 of 76 Addr (Hex) Type1 Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 BIt 2 Bit 1 Bit 0 Default (Hex) Calibration (user-accessible trim) 0x0400 K-divider K-divider, Bits[15:0] 0x01 0x0401 0x00 0x0402 M CPFD gain CPFD gain scale, Bits[2:0] 0x00 0x0403 M CPFD gain, Bits[5:0] 0x20 0x0404 FPFD gain FPFD gain, Bits[7:0] 0xC8 0x0405 Reserved Reserved 0x0406 RO Part version Part version Part version Reserved 0x00 or 0x40 0x0407 Reserved Reserved 0x0408 0x0409 M PFD offset DPLL phase offset, Bits[7:0] 0x00 0x040A M DPLL phase offset, Bits[13:8] 0x00 0x040B DAC full-scale current DAC full-scale current, Bits[7:0] 0xFF 0x040C DAC full-scale current, Bits[9:8] 0x01 0x040D Reserved Reserved 0x040E Reserved Reserved 0x10 0x040F Reference bias level DC input level, Bits[1:0] 0x00 0x0410 Reserved Reserved Harmonic spur reduction 0x0500 M Spur A HSR-A enable Amplitude gain × 2 Reserved Spur A harmonic, Bits[3:0] 0x00 0x0501 M Spur A magnitude, Bits[7:0] 0x00 0x0502 M 0x00 0x0503 M Spur A phase, Bits[7:0] 0x00 0x0504 M Spur A phase, Bit 8 0x00 0x0505 M Spur B HSR-B enable Amplitude gain × 2 Reserved Spur B harmonic[3:0] 0x00 0x0506 M Spur B magnitude, Bits[7:0] 0x00 0x0507 M 0x00 0x0508 M Spur B phase, Bits[7:0] 0x00 0x0509 M Spur B phase, Bit 8 0x00 1 Types of registers: RO = read-only, AC = autoclear, M = mirrored (also called buffered). A mirrored register needs an I/O update for the new value to take effect. |
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