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AD9549 Datasheet(PDF) 62 Page - Analog Devices

Part # AD9549
Description  Dual Input Network Clock Generator/Synchronizer
PDF  78 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9549 Datasheet(HTML) 62 Page - Analog Devices

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AD9549
Preliminary Technical Data
Rev. PrA | Page 62 of 78
0300
Monitor
0300
RO
PFD Freq
too High
PFD Freq
too Low
Freq. Est.
Done
Ref
Selected
Free Run
Ph. Lock
Detected
Freq. Lock
Detected
N/A
0301
RO
Status
RefA
Valid
RefA LOR
RefA
OOL
RefB
Valid
RefB
LOR
RefB OOL
N/A
0302
RO
PFD Freq
too High
PFD Freq
too Low
Freq. Est.
Done
Ref
Selected
Free Run
Ph. Lock
Detected
Freq. Lock
Detected
00
0303
RO
IRQ Status
RefA
Valid
RefA LOR
RefA
OOL
RefB
Valid
RefB
LOR
RefB OOL
00
0304
Ref.
Changed
Leave
Free Run
Enter Free
Run
00
0305
Freq Est
Done
Phase
Unlock
Phase
Lock
Freq.
Unlock
Freq. Lock
00
0306
RefA
Valid
!RefA
Valid
RefA LOR
!RefA
LOR
RefA
OOL
!RefA
OOL
00
0307
IRQ Mask
RefB
Valid
!RefB
Valid
RefB LOR
!RefB
LOR
RefB
OOL
!RefB
OOL
00
0308
S1 Pin
Config
Ref?
Ref? LOR
Ref? OOL
Ref? Not
Valid
Phase
Lock
Freq.
Lock
IRQ
60
0309
S2 Pin
Config
Ref?
Ref? LOR
Ref? OOL
Ref? Not
Valid
Phase
Lock
Freq.
Lock
IRQ
E0
030A
S3 Pin
Config
Ref?
Ref? LOR
Ref? OOL
Ref? Not
Valid
Phase
Lock
Freq.
Lock
IRQ
08
030B
S4 Pin
Config
Ref?
Ref? LOR
Ref? OOL
Ref? Not
Valid
Phase
Lock
Freq.
Lock
IRQ
01
030C
Control
Enable
RefA LOR
Enable
RefA
OOL
Enable
RefB LOR
Enable
RefB
OOL
Enable
Phase
Lock Det.
Enable
Freq. Lock
Detector
A2
030E
RO
N/A
030F
RO
N/A
0310
RO
N/A
0311
RO
N/A
0312
RO
N/A
0313
RO
HFTW
Average or Instantaneous FTW [47:0]
(read-only)
(An IO_UPDATE is required to refresh these registers.)
N/A
0314
M
FF
0315
M
00
0316
M
00
0317
M
Phase Lock Threshold [31:0]
00
0318
M
Phase Lock
Phase Unlock Watchdog Timer [2:0]
Phase Lock Watchdog Timer [4:0]
FF



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