AD9548 Datasheet, PDF (88/112 Pages) Analog Devices – Quad/Octal Input Network Clock Generator/Synchronizer

AD9548
Table 99. Reference Period—Profile 2
Address
Bits
Bit Name
0681
[7:0]
0682
[7:0]
Reference period (in
femtoseconds)
0683
[7:0]
0684
[7:0]
0685
[7:0]
0686
[7:0]
0687
[7:2]
Unused
[1:0]
Reference period
Description
Nominal reference period, Bits[7:0]
Nominal reference period, Bits[15:8]
Nominal reference period, Bits[23:16]
Nominal reference period, Bits[31:24]
Nominal reference period, Bits[39:32]
Nominal reference period, Bits[47:40]
Nominal reference period, Bits[49:48]
Table 100. Tolerance—Profile 2
Address
Bits
Bit Name
0688
[7:0]
Inner tolerance
0689
[7:0]
068A
[7:4]
Unused
[3:0]
Inner tolerance
068B
[7:0]
Outer tolerance
068C
[7:0]
068D
[7:4]
Unused
[3:0]
Outer tolerance
Description
Inner tolerance, Bits[7:0]
Inner tolerance, Bits[15:8]
Inner tolerance, Bits[19:16]
Outer tolerance, Bits[7:0]
Outer tolerance, Bits[15:8]
Outer tolerance, Bits[19:16]
Table 101. Validation Timer—Profile 2
Address
Bits
Bit Name
068E
[7:0]
068F
[7:0]
Validation timer
(in milliseconds)
Description
Validation timer, Bits[7:0]
Validation timer, Bits[15:8]
Table 102. Redetect Timer—Profile 2
Address
Bits
Bit Name
0690
[7:0]
Redetect timer
0691
[7:0]
(in milliseconds)
Description
Redetect timer, Bits[7:0]
Redetect timer, Bits[15:8]
Table 103. Digital Loop Filter Coefficients—Profile 2¹
Address
Bits
Bit Name
Description
0692
[7:0]
Alpha-0 linear
Alpha-0 coefficient linear, Bits[7:0]
0693
[7:0]
Alpha-0 coefficient linear, Bits[15:8]
0694
[7:6]
Alpha-2 exponent
Alpha-2 coefficient exponent, Bits[1:0]
[5:0]
Alpha-1 exponent
Alpha-1 coefficient exponent, Bits[5:0]
0695
[7:1]
Beta-0 linear
Beta-0 coefficient linear, Bits[6:0]
[0]
Alpha-2 exponent
Alpha-2 coefficient exponent, Bit 2
0696
[7:0]
Beta 0-linear
Beta-0 coefficient linear, Bits[14:7]
0697
[7]
Unused
[6:2]
Beta-1 exponent
Beta-1 coefficient exponent, Bits[4:0]
[1:0]
Beta-0 linear
Beta-0 coefficient linear, Bits[16:15]
0698
[7:0]
Gamma-0 linear
Gamma-0 coefficient linear, Bits[7:0]
0699
[7:0]
Gamma-0 coefficient linear, Bits[15:8]
069A
[7:6]
Unused
[5:1]
Gamma-1 exponent Gamma-1 coefficient exponent, Bits[4:0]
[0]
Gamma-0 linear
Gamma-0 coefficient linear, Bit 6
069B
[7:0]
Delta -0 linear
Delta-0 coefficient linear, Bits[7:0]
Rev. 0 | Page 88 of 112