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参数资料
| 型号： | DS2180AQN/T&R |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/35页 |
| 文件大小： | 0K |
| 描述： | IC TRANSCEIVER T1 IND 44-PLCC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 500 |
| 功能： | 收发器 |
| 接口： | T1 |
| 电路数： | 1 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 电流 - 电源： | 3mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-LCC（J 形引线） |
| 供应商设备封装： | 44-PLCC（16.59x16.59） |
| 包装： | 带卷 (TR) |
| 包括： | 警报生成和检测，B7 填充模式，B8ZS 模式，错误检测和计数器，“硬件”模式，透明模式 |
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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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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2180IND | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| DS2180Q | 制造商:未知厂家 制造商全称:未知厂家 功能描述:PCM Transceiver |
| DS2180QIND | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| DS2181A | 功能描述:网络控制器与处理器 IC CEPT Primary Rate Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| DS2181A+ | 功能描述:网络控制器与处理器 IC CEPT Primary Rate Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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