參數(shù)資料
型號: AD9547/PCBZ
廠商: Analog Devices Inc
文件頁數(shù): 81/104頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR AD9547
設(shè)計資源: AD9547 Schematic
AD9574 BOM
標(biāo)準(zhǔn)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:
AD9547
Data Sheet
Rev. E | Page 78 of 104
Table 76. Reference Logic Family
Address
Bit
Bit Name
Description
0x0501
[7:6]
Ref BB logic family
Select the logic family for the REF BB input receiver (ignoredif Bits[5:4] = 00).
00 (default) = disabled.
01 = 1.2 V to 1.5 V CMOS.
10 = 1.8 V to 2.5 V CMOS.
11 = 3.0 V to 3.3 V CMOS.
[5:4]
Ref B logic family
Select logic family for REF B input receiver.
00 (default) = differential (REFB/BB is positive/negative input).
01 = 1.2 V to 1.5 V CMOS.
10 = 1.8 V to 2.5 V CMOS.
11 = 3.0 V to 3.3 V CMOS.
[3:2]
Ref AA logic family
The same as Register 0x0501, Bits[7:6] but for REF AA.
[1:0]
Ref A logic family
The same as Register 0x0501, Bits[5:4] but for REF A.
0x0502
[7:0]
Unused
Unused.
Table 77. Manual Reference Profile Selection
Address
Bit
Bit Name
Description
0x0503
7
Enable Ref AA manual profile
Select manual or automatic reference profile assignment for REF AA.
0 (default) = automatic.
1 = manual.
[6:4]
Ref AA manual profile
Manual profile assignment.
000 (default) = Profile 0.
001 = Profile 1.
010 = Profile 2.
011 = Profile 3.
100 = Profile 4.
101 = Profile 5.
110 = Profile 6.
111 = Profile 7.
3
Enable Ref A manual profile
Same as Register 0x0503, Bit 7 but for REF A.
[2:0]
Ref A manual profile
Same as Register 0x0503, Bits[6:4] but for REF A.
0x0504
7
Enable Ref BB manual profile
Same as Register 0x0503, Bit 7 but for REF BB.
[6:4]
Ref BB manual profile
Same as Register 0x0503, Bits[6:4] but for REF BB.
3
Enable Ref B manual profile
Same as Register 0x0503, Bit 7 but for REF B.
[2:0]
Ref B manual profile
Same as Register 0x0503, Bits[6:4] but for REF B.
0x0505
[7:0]
Unused
Unused.
0x0506
[7:0]
Table 78. Phase Build-Out Switching
Address
Bit
Bit Name
Description
0x0507
[7:3]
Unused
Unused.
[2:0]
Phase master threshold
priority
Threshold priority level (a value of 0 to 7, with 0 (default) being the highest priority
level). References witha selectionpriority value lower than this value are treated as
phase masters (see the profile registers for selectionpriority value).
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