参数资料
型号: XRT91L34IV
厂商: Exar Corporation
文件页数: 26/38页
文件大小: 0K
描述: IC MULTIRATE CDR QUAD 128LQFP
标准包装: 72
类型: 时钟和数据恢复(CDR),扇出缓冲器(分配),多路复用器
PLL:
主要目的: SONET/SDH,STS,STM
输入: LVDS,LVPECL
输出: LVDS,LVPECL
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 是/是
频率 - 最大: 622.08MHz
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: 128-LQFP
供应商设备封装: 128-LQFP(14x14)
包装: 托盘
XRT91L34
32
QUAD CHANNEL MULTIRATE STS-12/3/1 AND STM-4/1/0 SONET/SDH CDR
REV. 1.0.1
NOTE: n denotes channel number.
TABLE 17: MICROPROCESSOR INTERFACE REGISTER 0X0A, 0X12, 0X1A, 0X22 BIT DESCRIPTION
INTERRUPT STATUS CONTROL REGISTER (CH0 = 0X0A, CH1 = 0X12, CH2 = 0X1A, CH3 = 0X22)
BIT
NAME
FUNCTION
Register
Type
Default
Value
(HW reset)
D7
Reserved
This Register Bit is Not Used
RO
0
D6
Reserved
This Register Bit is Not Used
RO
0
D5
LOLn
Loss of Lock Detection
The Loss of Lock Detect is used to indicate whether the CDR PLL
is locked.
"0" = CDR Locked
"1" = CDR Out of Lock
RO
0
D4
LOSn
Loss of Signal
The LOS indicates the Loss of Signal activity.
"0" = No Alarm
"1" = A LOS condition is present
RO
0
D3
Reserved
This Register Bit is Not Used
RO
0
D2
Reserved
This Register Bit is Not Used
RO
0
D1
LOLn_IS
Loss of Lock Interrupt Status
An external interrupt will not occur unless the LOLn_IE interrupt
enable bit is set in the appropriate registers 0x09, 0x11, 0x19, and
0x21 for channels 0, 1, 2, and 3 respectively.
"0" = No Change
"1" = Change in CDR Lock Status Occurred
RUR
0
D0
LOSn_IS
Loss of Signal Interrupt Status
An external interrupt will not occur unless the LOSn_IE interrupt
enable bit is set in the appropriate registers 0x09, 0x11, 0x19, and
0x21 for channels 0, 1, 2, and 3 respectively.
"0" = No Change
"1" = Change in LOS Status Occurred
RUR
0
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