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AD9547 Datasheet(PDF) 68 Page - Analog Devices |
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AD9547 Datasheet(HTML) 68 Page - Analog Devices |
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68 / 106 page ![]() AD9547 Data Sheet Addr Opt1 Name D7 D6 D5 D4 D3 D2 D1 D0 Def User scratch pad (eight bytes) 0x0C00 L Clock part serial ID Write user scratch pad[63:0] 0x00 0x0C01 L 0x00 0x0C02 S 0x00 0x0C03 S 0x00 0x0C04 C 0x00 0x0C05 C 0x00 0x0C06 C 0x00 0x0C07 C 0x00 Status readback (These registers are read only and are accessible during EEPROM transactions.) 0x0D00 R, L EEPROM Unused Fault detected Load in progress Save in progress 0x0D01 R, L SYSCLK Unused Stable Unused Cal in progress Lock detected 0x0D02 R, L IRQ monitor Unused SYSCLK unlocked SYSCLK locked Unused SYSCLK cal complete SYSCLK cal started 0x0D03 R, L Unused Distribution sync Watchdog timer EEPROM fault EEPROM complete 0x0D04 R, L Switching Closed Free run Holdover Frequency unlocked Frequency locked Phase unlocked Phase locked 0x0D05 R, L Unused History updated Frequency unclamped Frequency clamped Phase slew unlimited Phase slew limited 0x0D06 R, L Ref AA new profile Ref AA validated Ref AA fault cleared Ref AA fault Ref A new profile Ref A validated Ref A fault cleared Ref A fault 0x0D07 R, L Ref BB new profile Ref BB validated Ref BB fault cleared Ref BB fault Ref B new profile Ref B validated Ref B fault cleared Ref B fault 0x0D08 R, L Unused 0x0D09 R, L 0x0D0A R, C DPLL status Offset slew limiting Phase build-out Frequency lock Phase lock Loop switching Holdover Active Free running 0x0D0B R, C Frequency clamped History available Active reference priority[2:0] Unused Active reference[1:0] 0x0D0C R, C Ref A input reference status Profile selected Selected profile[2:0] Valid Fault Fast Slow 0x0D0D R, C Ref AA input reference status Profile selected Selected profile[2:0] Valid Fault Fast Slow 0x0D0E R, C Ref B input reference status Profile selected Selected profile[2:0] Valid Fault Fast Slow 0x0D0F R, C Ref BB input reference status Profile selected Selected profile[2:0] Valid Fault Fast Slow 0x0D10 R, C Unused Unused 0x0D11 R, C 0x0D12 R, C 0x0D13 R, C 0x0D14 R, C Holdover history Tuning word history[47:0] 0x0D15 R, C 0x0D16 R, C 0x0D17 R, C 0x0D18 R, C 0x0D19 R, C Nonvolatile memory (EEPROM) control 0x0E00 L Write protect Unused Half rate mode Write enable 0x00 0x0E01 L, E Condition Unused Condition value[4:0] 0x00 0x0E02 L, A, E Save Unused Save to EEPROM 0x00 0x0E03 L, A, E Load Unused Load from EEPROM Unused 0x00 Rev. G | Page 68 of 106 |
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