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AD9548 Datasheet(PDF) 90 Page - Analog Devices |
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AD9548 Datasheet(HTML) 90 Page - Analog Devices |
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90 / 111 page  AD9548 Data Sheet Table 108. Lock Detectors—Profile 2 Address Bits Bit Name Description 0x06A9 [7:0] Phase lock threshold (units determined by Register 0x0680[7]) Phase lock threshold, Bits[7:0] 0x06AA [7:0] Phase lock threshold, Bits[15:8] 0x06AB [7:0] Phase lock fill rate Phase lock fill rate, Bits[7:0] 0x06AC [7:0] Phase lock drain rate Phase lock drain rate, Bits[7:0] 0x06AD [7:0] Frequency lock thresh-old (in picoseconds) Frequency lock threshold, Bits[7:0] 0x06AE [7:0] Frequency lock threshold, Bits[15:8] 0x06AF [7:0] Frequency lock threshold, Bits[23:16] 0x06B0 [7:0] Frequency lock fill rate Frequency lock fill rate, Bits[7:0] 0x06B1 [7:0] Frequency lock drain rate Frequency lock drain rate, Bits[7:0] Register 0x06B2 to Register 0x07FF—Profile 3 Table 109. Priorities—Profile 3 Address Bits Bit Name Description 0x06B2 [7] Phase lock scale Controls the phase lock threshold unit scaling. 0 = picoseconds. 1 = nanoseconds. [6] Unused [5:3] Promoted priority User assigned priority level (0 to 7) of the reference associated with Profile 3 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 3, which ranks that reference relative to the others. Table 110. Reference Period—Profile 3 Address Bits Bit Name Description 0x06B3 [7:0] Reference period (in femtoseconds) Nominal reference period, Bits[7:0] 0x06B4 [7:0] Nominal reference period, Bits[15:8] 0x06B5 [7:0] Nominal reference period, Bits[23:16] 0x06B6 [7:0] Nominal reference period, Bits[31:24] 0x06B7 [7:0] Nominal reference period, Bits[39:32] 0x06B8 [7:0] Nominal reference period, Bits[47:40] 0x06B9 [7:2] Unused [1:0] Reference period Nominal reference period, Bits[49:48] Table 111. Tolerance—Profile 3 Address Bits Bit Name Description 0x06BA [7:0] Inner tolerance Inner tolerance, Bits[7:0] 0x06BB [7:0] Inner tolerance, Bits[15:8] 0x06BC [7:4] Unused [3:0] Inner tolerance Inner tolerance, Bits[19:16] 0x06BD [7:0] Outer tolerance Outer tolerance, Bits[7:0] 0x06BE [7:0] Outer tolerance, Bits[15:8] 0x06BF [7:4] Unused [3:0] Outer tolerance Outer tolerance, Bits[19:16] Table 112. Validation Timer—Profile 3 Address Bits Bit Name Description 0x06C0 [7:0] Validation timer (in milliseconds) Validation timer, Bits[7:0] 0x06C1 [7:0] Validation timer, Bits[15:8] Rev. G | Page 90 of 111 |
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