AD9548/PCBZ Analog Devices Inc, AD9548/PCBZ Datasheet - Page 85

• Manufacturer Part Number: AD9548/PCBZ
• Description: Clock Generator Evaluation Board
• Manufacturer: Analog Devices Inc

Specifications of AD9548/PCBZ

• Silicon Manufacturer: Analog Devices
• Application Sub Type: Network Clock Generator/Synchronizer
• Kit Application Type: Clock & Timing
• Silicon Core Number: AD9548
• Kit Contents: Board
• Main Purpose: Timing, Clock Generator
• Embedded: No
• Utilized Ic / Part: AD9548
• Primary Attributes: 62.5 ~ 450 MHz Output Frequency
• Secondary Attributes: SPI and I2C Compatible Control Port
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 86. Fractional Feedback Divider—Profile 0
Address
0626
0627
0628
Table 87. Lock Detectors—Profile 0
Address
0629
062A
062B
062C
062D
062E
062F
0630
0631
Register 0632 to Register 067F—Profile 1
Table 88. Priorities—Profile 1
Address
0632
Table 89. Reference Period—Profile 1
Address
0633
0634
0635
0636
0637
0638
0639
[7:0]
[7:4]
[3:2]
[1:0]
[7:6]
[5:0]
Bits
Bits
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
Bits
[7]
[6]
[5:3]
[2:0]
Bits
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:0]
[7:2]
[1:0]
Bit Name
V
U
Unused
V
Unused
U
Bit Name
Phase lock threshold
(units determined by
Register 0x0600[7])
Phase lock fill rate
Phase lock drain rate
Frequency lock
thresh-old (in
picoseconds)
Frequency lock fill rate
Frequency lock drain
rate
Bit Name
Phase lock scale
unused
Promoted priority
Selection priority
Bit Name
Reference period (in
femtoseconds)
Unused
Reference period
Description
V, Bits[7:0]
U, Bits[3:0]
V, Bits[9:8]
U, Bits[9:4]
Nominal reference period, Bits[23:16]
Nominal reference period, Bits[31:24]
Nominal reference period, Bits[39:32]
Nominal reference period, Bits[47:40]
Description
Nominal reference period, Bits[7:0]
Nominal reference period, Bits[15:8]
Nominal reference period, Bits[49:48]
Description
Controls the phase lock threshold unit scaling.
0 = picoseconds.
1 = nanoseconds.
User-assigned priority level (0 to 7) of the reference associated with Profile 1 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.
User-assigned priority level (0 to 7) of the reference associated with Profile 1, which
ranks that reference relative to the others.
Description
Phase lock threshold, Bits[7:0]
Phase lock threshold, Bits[15:8]
Phase lock fill rate, Bits[7:0]
Phase lock drain rate, Bits[7:0]
Frequency lock threshold, Bits[7:0]
Frequency lock threshold, Bits[15:8]
Frequency lock threshold, Bits[23:16]
Frequency lock fill rate, Bits[7:0]
Frequency lock drain rate, Bits[7:0]
Rev. A | Page 85 of 112
AD9548