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AD9548/PCBZ датащи(PDF) 87 Page - Analog Devices |
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AD9548/PCBZ датащи(HTML) 87 Page - Analog Devices |
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87 / 112 page ![]() AD9548 Rev. 0 | Page 87 of 112 Table 94. R-Divider—Profile 11 Address Bits Bit Name Description 0650 [7:0] R R, Bits[7:0] 0651 [7:0] R, Bits[15:8] 0652 [7:0] R, Bits[23:16] 0653 [7:6] Unused [5:0] R R, Bits[29:24] 1 The value stored in the R-divider register yields an actual divide ratio of one more than the programmed value. Table 95. S-Divider—Profile 11 Address Bits Bit Name Description 0654 [7:0] S S, Bits[7:0] 0655 [7:0] S, Bits[15:8] 0656 [7:0] S, Bits[23:16] 0657 [7:6] Unused [5:0] S S, Bits[29:24] 1 The value stored in the S-divider register yields an actual divide ratio of one more than the programmed value. Furthermore, the value of S must be at least 7. Table 96. Fractional Feedback Divider—Profile 1 Address Bits Bit Name Description 0658 [7:0] V V, Bits[7:0] 0659 [7:4] U U, Bits[3:0] [3:2] Unused [1:0] V V, Bits[9:8] 065A [7:6] Unused [5:0] U U, Bits[9:4] Table 97. Lock Detectors—Profile 1 Address Bits Bit Name Description 065B [7:0] Phase lock threshold (in picoseconds) Phase lock threshold, Bits[7:0] 065C [7:0] Phase lock threshold, Bits[15:8] 065D [7:0] Phase lock fill rate Phase lock fill rate, Bits[7:0] 065E [7:0] Phase lock drain rate Phase lock drain rate, Bits[7:0] 065F [7:0] Frequency lock threshold (in picoseconds) Frequency lock threshold, Bits[7:0] 0660 [7:0] Frequency lock threshold, Bits[15:8] 0661 [7:0] Frequency lock threshold, Bits[23:16] 0662 [7:0] Frequency lock fill rate Frequency lock fill rate, Bits[7:0] 0663 [7:0] Frequency lock drain rate Frequency lock drain rate, Bits[7:0] 0664 to 067F [7:0] Unused Register 0680 to Register 06B1—Profile 2 Table 98. Priorities—Profile 2 Address Bits Bit Name Description 0680 [7:6] Unused [5:3] Promoted priority User-assigned priority level (0 to 7) of the reference associated with Profile 2 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 2, which ranks that reference relative to the others. |
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