參數(shù)資料
型號: AD9547/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 82/104頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD9547
設計資源: AD9547 Schematic
AD9574 BOM
標準包裝: 1
主要目的: 計時,時鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9547
主要屬性: 2 個差分式或 4 個單端輸入
次要屬性: CMOS,LVPECL 和 LVDS 兼容
已供物品:
Data Sheet
AD9547
Rev. E | Page 79 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.
Register0x0600 to Register0x0631—Profile0
Table 79. Priorities—Profile 0
Address
Bit
Bit Name
Description
0x0600
[7]
Phase lock scale
Controls the phase lock threshold unit scaling.
0 = picoseconds.
1 = nanoseconds.
[6]
Unused
Unused.
[5:3]
Promotedpriority
User assigned priority level (0 to 7) of the reference associatedwith Profile 0 while that
reference is the active reference. The numeric value of the promotedpriority must be less
than or equal to the numeric value of the selectionpriority.
[2:0]
Selectionpriority
User assigned priority level (0 to 7) of the reference associatedwith Profile 0, which ranks
that reference relative to the others.
Table 80. Reference Period—Profile 0
Address
Bit
Bit Name
Description
0x0601
[7:0]
Reference period
(expressedin 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 81. 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 82. Validation Timer—Profile 0
Address
Bit
Bit Name
Description
0x060E
[7:0]
Validation timer
(expressedin units of ms)
Validation timer, Bits[7:0].
0x060F
[7:0]
Validation timer, Bits[15:8].
Table 83. Redetect Timer—Profile 0
Address
Bit
Bit Name
Description
0x0610
[7:0]
Redetect timer
(expressedin units of ms)
Redetect timer, Bits[7:0].
0x0611
[7:0]
Redetect timer, Bits[15:8].
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