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AD9554 Datasheet(PDF) 101 Page - Analog Devices

Part # AD9554
Description  Quad PLL, Quad Input, Multiservice Line Card Adaptive Clock Translator
PDF  116 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9554 Datasheet(HTML) 101 Page - Analog Devices

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Data Sheet
AD9554
Rev. D | Page 101 of 116
Table 122. IRQ Monitor for Digital PLL2 (DPLL_2)
Address
Bits
Bit Name
Description
0x0D11
7
Frequency unclamped
IRQ indicating that DPLL_2 has exited a frequency clamped state
6
Frequency clamped
IRQ indicating that DPLL_2 has entered a frequency clamped state
5
Phase slew unlimited
IRQ indicating that DPLL_2 has exited a phase slew limited state
4
Phase slew limited
IRQ indicating that DPLL_2 has entered a phase slew limited state
3
Frequency unlocked
IRQ indicating that DPLL_2 has lost frequency lock
2
Frequency locked
IRQ indicating that DPLL_2 has acquired frequency lock
1
Phase unlocked
IRQ indicating that DPLL_2 has lost phase lock
0
Phase locked
IRQ indicating that DPLL_2 has acquired phase lock
0x0D12
7
DPLL_2 switching
IRQ indicating that DPLL_2 is switching to a new reference
6
DPLL_2 free run
IRQ indicating that DPLL_2 has entered free run mode
5
DPLL_2 holdover
IRQ indicating that DPLL_2 has entered holdover mode
4
DPLL_2 history updated
IRQ indicating that DPLL_2 has updated its tuning word history
3
REFD activated
IRQ indicating that DPLL_2 has activated REFD
2
REFC activated
IRQ indicating that DPLL_2 has activated REFC
1
REFB activated
IRQ indicating that DPLL_2 has activated REFB
0
REFA activated
IRQ indicating that DPLL_2 has activated REFA
0x0D13
7
Phase step direction
IRQ indicating that the DPLL_2 demapping controller phase step direction
6
Demap control unclamped
IRQ indicating that the DPLL_2 demapping controller is unclamped
5
Demap control clamped
IRQ indicating that the DPLL_2 demapping controller is clamped
4
Clock dist sync’d
IRQ indicating a distribution sync event
3
APLL_2 unlocked
IRQ indicating that APLL_2 has been unlocked
2
APLL_2 locked
IRQ indicating that APLL_2 has been locked
1
APLL_2 cal ended
IRQ indicating that APLL_2 calibration complete
0
APLL_2 cal started
IRQ indicating that APLL_2 calibration started



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