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AD9548/PCBZ датащи(PDF) 83 Page - Analog Devices

номер детали AD9548/PCBZ
подробное описание детали  Quad/Octal Input Network Clock Generator/Synchronizer
PDF  112 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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AD9548/PCBZ датащи(HTML) 83 Page - Analog Devices

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AD9548
Rev. 0 | Page 83 of 112
Table 77. Phase Build-Out Switching
Address
Bits
Bit Name
Description
0507
[7:3]
Unused
[2:0]
Phase master
threshold priority
Threshold priority level (a value of 0 to 7, with 0 (default) being the highest priority
level). References with a selection priority value lower than this value are treated as
phase masters (see the Profile Registers (Register 0600 to Register 07FF) section for
the selection priority value).
PROFILE REGISTERS (REGISTER 0600 TO REGISTER 07FF)
Note that the default value of every bit is 0 for Profile 0 to Profile 7.
Register 0600 to Register 0631—Profile 0
Table 78. Priorities—Profile 0
Address
Bits
Bit Name
Description
0600
[7:6]
Unused
[5:3]
Promoted priority
User-assigned priority level (0 to 7) of the reference associated with Profile 0 while
that reference is the active reference. The numeric value of the promoted priority
must be less than or equal to the numeric value of the selection priority.
[2:0]
Selection priority
User-assigned priority level (0 to 7) of the reference associated with Profile 0, which
ranks that reference relative to the others.
Table 79. Reference Period—Profile 0
Address
Bits
Bit Name
Description
0601
[7:0]
Reference period (in
femtoseconds)
Nominal reference period, Bits[7:0]
0602
[7:0]
Nominal reference period, Bits[15:8]
0603
[7:0]
Nominal reference period, Bits[23:16]
0604
[7:0]
Nominal reference period, Bits[31:24]
0605
[7:0]
Nominal reference period, Bits[39:32]
0606
[7:0]
Nominal reference period, Bits[47:40]
0607
[7:2]
Unused
[1:0]
Reference period
Nominal reference period, Bits[49:48]
Table 80. Tolerance—Profile 0
Address
Bits
Bit Name
Description
0608
[7:0]
Inner tolerance
Inner tolerance, Bits[7:0]
0609
[7:0]
Inner tolerance, Bits[15:8]
060A
[7:4]
Unused
[3:0]
Inner tolerance
Inner tolerance, Bits[19:16]
060B
[7:0]
Outer tolerance
Outer tolerance, Bits[7:0]
060C
[7:0]
Outer tolerance, Bits[5:8]
060D
[7:4]
Unused
[3:0]
Outer tolerance
Outer tolerance, Bits[19:16]
Table 81. Validation Timer—Profile 0
Address
Bits
Bit Name
Description
060E
[7:0]
Validation timer
(in milliseconds)
Validation timer, Bits[7:0]
060F
[7:0]
Validation timer, Bits[15:8]
Table 82. Redetect Timer—Profile 0
Address
Bits
Bit Name
Description
0610
[7:0]
Redetect timer
(in milliseconds)
Redetect timer, Bits[7:0]
0611
[7:0]
Redetect timer, Bits[15:8]



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