參數(shù)資料
型號(hào)： DS2180AQN
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PQCC44
封裝： PLASTIC, LCC-44
文件頁(yè)數(shù)： 6/35頁(yè)
文件大?。?/td> 481K
代理商： DS2180AQN
DS2180A
14 of 35
RECEIVE CONTROL REGISTER Figure 12
(MSB)
(LSB)
ARC
OOF
RCI
RCS
SYNCC
SYNCT
SYNCE
RESYNC
SYMBOL
POSITION
NAME AND DESCRIPTION
ARC
RCR.7
Auto Resync Criteria.
0 = Resync on OOF or RCL event.
1 = Resync on OOF only.
OOF
RCR.6
Out-of-frame (OOF) Condition Detection.
0 = 2 of 4 framing bits in error.
1 = 2 of 5 framing bits in error.
RCI
RCR.5
Receive Code Insert. When set, the receive code selected by
RCR.4 is inserted into channels marked by RMR registers. If clear,
no code is inserted.
RCS
RCR.4
Receive Code Select.
0 = Idle code (7F Hex).
1 = Digital milliwatt.
SYNCC
RCR.3
Sync Criteria. Determines the type of algorithm utilized by the
receive synchronizer and differs for each frame mode.
193S Framing (CCR.4=0).
0 = Synchronize to frame boundaries using FT pattern, then search
for multiframe by using FS.
1 = Cross couple FT and FS patterns in sync algorithm.
193E Framing (CCR.4=1).
0 = Normal sync (utilizes FPS only).
1 = Validate new alignment with CRC before declaring sync.
SYNCT
RCR.2
Sync Time. If set, 24 consecutive F-bits of the framing pattern
must be qualified before sync is declared. If clear, 10 bits are
qualified.
SYNCE
RCR.1
Sync Enable. If clear, the transceiver will automatically begin a
resync if two of the previous four or five framing bits were in error
or if carrier loss is detected. If set, no auto resync occurs.
RESYNC
RCR.0
Resync. When toggled low to high, the transceiver will initiate
resync immediately. The bit must be cleared, then set again for
subsequent resyncs.
RECEIVE CODE INSERTION
Incoming receive channels can be replaced with idle (7F Hex) or digital milliwatt (
-LAW format) codes.
The receive mark registers indicate which channels are inserted.
When set, bit RCR.5 serves as a
“global” enable for marked channels and bit RCR.4 selects inserted code format: 0 = idle code, 1 = digital
milliwatt.
RECEIVE SYNCHRONIZER
Bits RCR.0 through RCR.3 allow the user to control operational characteristics of the synchronizer. Sync
algorithm, candidate qualify testing, auto resync, and command resync modes may be altered at any time
in response to changing span conditions.
相關(guān)PDF資料
PDF描述
DS2180A DATACOM, FRAMER, PDIP40
DS2180AN DATACOM, FRAMER, PDIP40
DS2181AN DATACOM, FRAMER, PDIP40
DS2181AQN DATACOM, FRAMER, PQCC44
DS2181A DATACOM, FRAMER, PDIP40
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2180AQN/T&R 制造商:Maxim Integrated Products 功能描述:T1 TRANCEIVER PLCC IND TRL - Tape and Reel 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC TRANSCEIVER T1 IND 44-PLCC 制造商:Maxim Integrated Products 功能描述:Network Controller & Processor ICs T1 Transceiver
DS2180AQN/T&R+ 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/T1 5V 44PLCC - Tape and Reel
DS2180AQN/T&R 功能描述:網(wǎng)絡(luò)控制器與處理器 IC T1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS2180AQN+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC T1 Transceiver RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS2180AQN+T&R 制造商:Maxim Integrated Products 功能描述:FRAMER DS1/T1 5V 44PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TRANSCEIVER T1 44-PLCC
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