參數(shù)資料
型號: AD9547/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 90/104頁
文件大小: 0K
描述: BOARD EVALUATION FOR AD9547
設(shè)計(jì)資源: AD9547 Schematic
AD9574 BOM
標(biāo)準(zhǔn)包裝: 1
主要目的: 計(jì)時(shí),時(shí)鐘發(fā)生器
嵌入式:
已用 IC / 零件: AD9547
主要屬性: 2 個(gè)差分式或 4 個(gè)單端輸入
次要屬性: CMOS,LVPECL 和 LVDS 兼容
已供物品:
AD9547
Data Sheet
Rev. E | Page 86 of 104
Register0x06B2to Register0x06FF—Profile3
Table 109. Priorities—Profile 3
Address
Bit
Bit Name
Description
0x06B2
[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 3 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 3, which
ranks that reference relative to the others.
Table 110. Reference Period—Profile 3
Address
Bit
Bit Name
Description
0x06B3
[7:0]
Reference period
(expressedin units of fs)
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]
Unused
Unused. Write 0s to these bits.
0x06B9
[7:0]
Table 111. Tolerance—Profile 3
Address
Bit
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
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
Unused.
[3:0]
Outer tolerance
Outer tolerance, Bits[19:16].
Table 112. Validation Timer—Profile 3
Address
Bit
Bit Name
Description
0x06C0
[7:0]
Validation timer
(expressedin units of ms)
Validation timer, Bits[7:0].
0x06C1
[7:0]
Validation timer, Bits[15:8].
Table 113. Redetect Timer—Profile 3
Address
Bit
Bit Name
Description
0x06C2
[7:0]
Redetect timer
(expressedin units of ms)
Redetect timer, Bits[7:0].
0x06C3
[7:0]
Redetect timer, Bits[15:8].
Table 114. Digital Loop Filter Coefficients—Profile 31
Address
Bit
Bit Name
Description
0x06C4
[7:0]
Alpha-0 linear
Alpha-0 coefficient linear, Bits[7:0].
0x06C5
[7:0]
Alpha-0 coefficient linear, Bits[15:8].
0x06C6
[7:6]
Alpha-2 exponent
Alpha-2 coefficient exponent, Bits[1:0].
[5:0]
Alpha-1 exponent
Alpha-1 coefficient exponent, Bits[5:0].
0x06C7
[7:1]
Beta-0 linear
Beta-0 coefficient linear, Bits[6:0].
0
Alpha-2 exponent
Alpha-2 coefficient exponent, Bit 2.
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