参数资料
型号: AD9549ABCPZ-REEL7
厂商: Analog Devices Inc
文件页数: 62/76页
文件大小: 0K
描述: IC CLOCK GEN/SYNCHRONIZR 64LFCSP
产品变化通告: AD9549A Mask Change 22/Oct/2010
标准包装: 750
类型: 时钟/频率发生器,同步器
PLL:
主要目的: 以太网,SONET/SDH,Stratum
输入: CMOS,LVDS,LVPECL
输出: CMOS,HSTL
电路数: 1
比率 - 输入:输出: 2:2
差分 - 输入:输出: 是/是
频率 - 最大: 750MHz
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)
AD9549
Rev. D | Page 65 of 76
Register 0x0305—IRQ Mask (Continued)
Table 77.
Bits
Bit Name
Description
4
Frequency estimator done
Trigger IRQ when the frequency estimator is done.
3
Phase unlock
Trigger IRQ on falling edge of phase lock signal.
2
Phase lock
Trigger IRQ on rising edge of phase lock signal.
1
Frequency unlock
Trigger IRQ on falling edge of frequency lock signal.
0
Frequency lock
Trigger IRQ on rising edge of frequency lock signal.
Register 0x0306—IRQ Mask (Continued)
Table 78.
Bits
Bit Name
Description
[7:6]
Reserved
Reserved.
5
REFA valid
Trigger IRQ on rising edge of Reference A’s valid.
4
!REFA valid
Trigger IRQ on falling edge of Reference A’s valid.
3
REFA LOR
Trigger IRQ on rising edge of Reference A’s LOR.
2
!REFA LOR
Trigger IRQ on falling edge of Reference A’s LOR.
1
REFA OOL
Trigger IRQ on rising edge of Reference A’s OOL.
0
!REFA OOL
Trigger IRQ on falling edge of Reference A’s OOL.
Register 0x0307—IRQ Mask (Continued)
Table 79.
Bits
Bit Name
Description
[7:6]
Reserved
Reserved.
5
REFB valid
Trigger IRQ on rising edge of Reference B’s valid.
4
!REFB valid
Trigger IRQ on falling edge of Reference B’s valid.
3
REFB LOR
Trigger IRQ on rising edge of Reference B’s LOR.
2
!REFB LOR
Trigger IRQ on falling edge of Reference B’s LOR.
1
REFB OOL
Trigger IRQ on rising edge of Reference B’s OOL.
0
!REFB OOL
Trigger IRQ on falling edge of Reference B’s OOL.
Register0x0308—S1 Pin Configuration
See the Status and Warnings section. The choice of input for a given pin must be all REFA or all REFB and not a combination of both.
Table 80.
Bits
Bit Name
Description
7
REF?
Choose either REFA (0) or REFB (1) for use with Bits [4:6].
6
REF? LOR
Select either REFA (0) or REFB (1) LOR signal for output on this pin.
5
REF? OOL
Select either REFA (0) or REFB (1) OOL signal for output on this pin.
4
REF? not valid
Select either REFA (0) or REFB (1). Not Valid signal for output on this pin.
3
Phase lock
Select phase lock signal for output on this pin.
2
Frequency lock
Select frequency lock signal for output on this pin.
1
Reserved
Reserved.
0
IRQ
Select IRQ signal for output on this pin.
Register 0x0309—S2 Pin Configuration
Same as Register 0x0308, except applies to Pin S2. See Table 80.
Register 0x030A—S3 Pin Configuration
Same as Register 0x0308, except applies to Pin S3. See Table 80.
Register 0x030B—S4 Pin Configuration
Same as Register 0x0308, except applies to Pin S4. See Table 80.
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