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| 型号： | AD9547BCPZ-REEL7 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 99/104页 |
| 文件大小： | 0K |
| 描述： | IC CLOCK GEN/SYNCHRONIZR 64LFCSP |
| 产品变化通告： | AD9547 Mask Change 20/Oct/2010 |
| 标准包装： | 750 |
| 类型： | 时钟/频率发生器，同步器 |
| PLL： | 是 |
| 主要目的： | 以太网，SONET/SDH，Stratum |
| 输入： | CMOS，LVDS，LVPECL |
| 输出： | CMOS，LVDS，LVPECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 2:2 |
| 差分 - 输入:输出： | 是/是 |
| 频率 - 最大： | 750kHz |
| 电源电压： | 1.71 V ~ 3.465 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 64-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 64-LFCSP-VQ（9x9） |
| 包装： | 带卷 (TR) |
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AD9547
Data Sheet
Rev. E | Page 94 of 104
Table 139. IRQ Monitor for History Update, FrequencyLimit, and Phase Slew Limit
Address
Bit
Bit Name
Description
0x0D05
[7:5]
Unused
Unused.
4
History updated
Indicates the occurrence of a tuning word history update.
3
Frequency unclamped
Indicates a frequency limiter state transitionfrom clampedto unclamped.
2
Frequency clamped
Indicates a frequency limiter state transitionfrom unclamped to clamped.
1
Phase slew unlimited
Indicates a phase slew limiter state transitionfrom slew limitingto not slew limiting.
0
Phase slew limited
Indicates a phase slew limiter state transitionfrom not slew limitingto slew limiting.
Table 140. IRQ Monitor for ReferenceInputs
Address
Bit
Bit Name
Description
0x0D06
7
Ref AA new profile
Indicates that Ref AA has switched to a new profile.
6
Ref AA validated
Indicates that Ref AA has beenvalidated.
5
Ref AA fault cleared
Indicates that Ref AA has beenclearedof a previous fault.
4
Ref AA fault
Indicates that Ref AA has beenfaulted.
3
Ref A new profile
Indicates that Ref A has switched to a new profile.
2
Ref A validated
Indicates that Ref A has beenvalidated.
1
Ref A fault cleared
Indicates that Ref A has beenclearedof a previous fault.
0
Ref A fault
Indicates that Ref A has beenfaulted.
0x0D07
7
Ref BB new profile
Indicates that Ref BB has switched to a new profile.
6
Ref BB validated
Indicates that Ref BB has beenvalidated.
5
Ref BB fault cleared
Indicates that Ref BB has beenclearedof a previous fault.
4
Ref BB fault
Indicates that Ref BB has beenfaulted.
3
Ref B new profile
Indicates that Ref B has switched to a new profile.
2
Ref B validated
Indicates that Ref B has beenvalidated.
1
Ref B fault cleared
Indicates that Ref B has beenclearedof a previous fault.
0
Ref B fault
Indicates that Ref B has beenfaulted.
0x0D08
[7:0]
Unused
Unused.
0x0D09
[7:0]
Table 141. DPLL Status
Address
Bit
Bit Name
Description
0x0D0A
7
Offset slew limiting
The current closed-loop phase offset is rate limited.
6
Phase build-out
A phase build-out transition was made to the currently active reference.
5
Frequency lock
The DPLL has achieved frequency lock.
4
Phase lock
The DPLL has achieved phase lock.
3
Loop switching
The DPLL is in the process of a reference switchover.
2
Holdover
The DPLL is in holdover mode.
1
Active
The DPLL is active (that is, operating in a closed-loop condition).
0
Free running
The DPLL is free running (that is, operating in an open-loop condition).
0x0D0B
7
Frequency clamped
The upper or lower frequency tuning word clamp is in effect.
6
History available
There is sufficient tuning word history available for holdover operation.
[5:3]
Active reference priority
Priority value of the currently active reference.
000 = highest priority.
111 = lowest priority.
2
Unused
Unused.
[1:0]
Active reference
Index of the currently active reference.
00 = Reference A.
01 = Reference AA.
10 = Reference B.
11 = Reference BB.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| AD9548 | 制造商:AD 制造商全称:Analog Devices 功能描述:Quad/Octal Input Network Clock Generator/Synchronizer |
| AD9548/PCBZ | 功能描述:BOARD EVAL FOR AD9548 RoHS:是 类别:编程器，开发系统 >> 评估演示板和套件 系列:- 标准包装:1 系列:PSoC® 主要目的:电源管理，热管理 嵌入式:- 已用 IC / 零件:- 主要属性:- 次要属性:- 已供物品:板，CD，电源 |
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