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AD9547/PCBZ 数据表(PDF) 78 Page - Analog Devices |
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AD9547/PCBZ 数据表(HTML) 78 Page - Analog Devices |
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78 / 104 page ![]() AD9547 Rev. 0 | Page 78 of 104 PROFILE REGISTERS (REGISTER 0x0600 TO REGISTER 0x07FF) Note that the default value of every bit is 0 for Profile 0 to Profile 7. Register 0x0600 to Register 0x0631—Profile 0 Table 78. Priorities—Profile 0 Address Bit Bit Name Description 0x0600 [7:6] Unused 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 Bit Bit Name Description 0x0601 [7:0] Reference period (expressed in units of fs) Nominal reference period, Bits[7:0]. 0x0602 [7:0] Nominal reference period, Bits[15:8]. 0x0603 [7:0] Nominal reference period, Bits[23:16]. 0x0604 [7:0] Nominal reference period, Bits[31:24]. 0x0605 [7:0] Nominal reference period, Bits[39:32]. 0x0606 [7:0] Unused. Unused. Write 0s to these bits. 0x0607 [7:0] Table 80. Tolerance—Profile 0 Address Bit Bit Name Description 0x0608 [7:0] Inner tolerance Inner tolerance, Bits[7:0]. 0x0609 [7:0] Inner tolerance, Bits[15:8]. 0x060A [7:4] Unused Unused. [3:0] Inner tolerance Inner tolerance, Bits[19:16]. 0x060B [7:0] Outer tolerance Outer tolerance, Bits[7:0]. 0x060C [7:0] Outer tolerance, Bits[15:8]. 0x060D [7:4] Unused Unused. [3:0] Outer tolerance Outer tolerance, Bits[19:16]. Table 81. Validation Timer—Profile 0 Address Bit Bit Name Description 0x060E [7:0] Validation timer (expressed in units of ms) Validation timer, Bits[7:0]. 0x060F [7:0] Validation timer, Bits[15:8]. Table 82. Redetect Timer—Profile 0 Address Bit Bit Name Description 0x0610 [7:0] Redetect timer (expressed in units of ms) Redetect timer, Bits[7:0]. 0x0611 [7:0] Redetect timer, Bits[15:8]. |
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