參數(shù)資料
型號: SM3-19.44M
廠商: Connor-Winfield
文件頁數(shù): 32/36頁
文件大?。?/td> 0K
描述: IC MOD TIMING 19.440MHZ STATUM 3
標準包裝: 1
系列: SM3
類型: 定時模塊,系統(tǒng)時鐘
PLL:
主要目的: 以太網,ADM,DSLAM,SONET/SDH,Stratum,TDM
輸入: LVCMOS
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 4:3
差分 - 輸入:輸出: 無/無
頻率 - 最大: 19.44MHz
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 通孔
封裝/外殼: 32-DIP 模塊
包裝: 管件
其它名稱: CW642
SM3 19.44M
SM319.44M
SM3 Data Sheet #:
TM052
Page 5 of 36 Rev: 06 Date: 01/26/11
Copyright 2011 The Connor-Winfield Corp. All Rights Reserved
Specifications subject to change without notice
Register Map
Table 3
Address
Reg Name
Description
Type
0x00
Chip_ID_Low
LowbyteofchipID
R
0x01
Chip_ID_High
HighbyteofchipID
R
0x02
Chip_Revision
Chiprevisionnumber
R
0x03
Bandwidth
BandwidthSelect
R/W
0x04
Ctl_Mode
ManualorautomaticselectionofOp_Mode,BITSclockoutputfrequency
R/W
indication,andframe/multi-framesyncpulsewidthmodecontrol
0x05
Op_Mode
MasterFreeRun,Locked,orHoldOvermode,orSlavemode
R/W
0x06
Max_Pullin_Range
Maximumpull-inrangein0.1ppmunits
R/W
0x07
M/SREF_Activity
CrossReferenceactivity
R
0x08
Ref_Activity
Activitiesof4referenceinputs
R
0x09
Ref_Pullin_Sts
Inoroutofpull-inrangeof4referenceinputs
R
0x0a
Ref_Qualified
Qualificationstatusof4referenceinputs
R
0x0b
Ref_Mask
Availabilitymaskfor4referenceinputs
R/W
0x0c
Ref_Available
Availabilityof4referenceinputs
R
0x0d
Ref_Rev_Delay
Referencereversiondelaytime,0-255minutes
R/W
0x0e
Phase_Offset
PhaseoffsetbetweenM/SREF&M/SOutput(fortheSlaveinM/Soperation)
in250psresolution
R/W
0x0f
Calibration
Localoscillatordigitalcalibrationin0.05ppmresolution
R/W
0x10
Fr_Pulse_Width
Framesyncpulsewidth
R/W
0x11
DPLL_Status
DigitalPhaseLockedLoopstatus
R
0x12
Intr_Event
Interruptevents
R
0x13
Intr_Enable
Enableindividualinterruptevents
R/W
0x14
Ref1_Frq_Offset1
Ref1frequencyoffsetin0.2ppmresolution
R
0x15
Ref2_Frq_Offset2
Ref2frequencyoffsetin0.2ppmresolution
R
0x16
Ref3_Frq_Offset3
Ref3frequencyoffsetin0.2ppmresolution
R
0x17
Ref4_Frq_Offset4
Ref4frequencyoffsetin0.2ppmresolution
R
0x18
Reserved
0x19
Reserved
0x1a
Reserved
0x1b
Reserved
0x1c
Ref1_Frq_Priority1
Ref1frequencyandpriority
R/W
0x1d
Ref2_Frq_Priority2
Ref2frequencyandpriority
R/W
0x1e
Ref3_Frq_Priority3
Ref3frequencyandpriority
R/W
0x1f
Ref4_Frq_Priority4
Ref4frequencyandpriority
R/W
0x20
Reserved
0x21
Reserved
0x22
Reserved
0x23
Reserved
0x24
FreeRunPriority
ControlandPriorityfordesignationofFreeRunasareference
R/W
0x25
History_Policy
SetspolicyforHoldOverhistoryaccumulation
R/W
0x26
History_CMD
Save,restoreandflushcomandsforHoldOverhistory
R/W
0x27
HoldOver_Time
IndicatesthetimesinceenteringHoldOverstate
R
0x30
Cfgdata
Configurationdatawriteregister
R/W
0x31
Cfgctr_Lo
Configurationdatawritecounter,lowbyte
R
0x32
Cfgctr_Hi
Configurationdatawritecounter,highbyte
R
0x33
Chksum
Configurationdatachecksumpass/failindicator
R
0x36
EE_Wrt_Mode
Disables/EnableswritingtotheexternalEEPROM
R/W
0x37
EE_Cmd
Read/Writecommand&readyindicationregisterforext.EEPROMaccess
R/W
0x38
EE_Page_Num
PagenumberforexternalEEPROMaccess
R/W
0x39
EE_FIFO_Port
Read/WritedataforexternalEEPROMaccess
R/W
Register Map Continued
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