參數(shù)資料
型號(hào)： DS2180AQ/T&R
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 6/35頁(yè)
文件大?。?/td> 0K
描述： IC TRANSCEIVER T1 44-PLCC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 500
功能： 收發(fā)器
接口： T1
電路數(shù)： 1
電源電壓： 4.5 V ~ 5.5 V
電流 - 電源： 3mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 44-LCC（J 形引線）
供應(yīng)商設(shè)備封裝： 44-PLCC（16.59x16.59）
包裝： 帶卷 (TR)
包括： 警報(bào)生成和檢測(cè)，B7 填充模式，B8ZS 模式，錯(cuò)誤檢測(cè)和計(jì)數(shù)器，“硬件”模式，透明模式
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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS2180IND 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
DS2180Q 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM Transceiver
DS2180QIND 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC
DS2181A 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CEPT Primary Rate 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
DS2181A+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC CEPT Primary Rate 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
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