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參數(shù)資料
| 型號(hào)： | DS21FT44N |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PBGA300 |
| 封裝： | 27 X 27 MM, 1.27 MM PITCH, MCMBGA-300 |
| 文件頁(yè)數(shù)： | 70/117頁(yè) |
| 文件大小： | 691K |
| 代理商： | DS21FT44N |
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DS21FT44/DS21FF44
56 of 117
RDS0M: RECEIVE DS0 MONITOR REGISTER (Address = AB Hex)
(MSB)
(LSB)
B1
B2
B3
B4
B5
B6
B7
B8
SYMBOL
POSITION
NAME AND DESCRIPTION
B1
RDS0M.7
Receive DS0 Channel Bit 1. MSB of the DS0 channel (first
bit to be received)
B2
RDS0M.6
Receive DS0 Channel Bit 2
B3
RDS0M.5
Receive DS0 Channel Bit 3
B4
RDS0M.4
Receive DS0 Channel Bit 4
B5
RDS0M.3
Receive DS0 Channel Bit 5
B6
RDS0M.2
Receive DS0 Channel Bit 6
B7
RDS0M.1
Receive DS0 Channel Bit 7
B8
RDS0M.0
Receive DS0 Channel Bit 8. LSB of the DS0 channel (last bit
to be received)
14.
SIGNALING OPERATION
Each framer in the DS21Q44 contains provisions for both processor based (i.e., software based) signaling
bit access and for hardware based access. Both the processor based access and the hardware-based access
can be used simultaneously if necessary. The processor based signaling is covered in Section 14.1 and the
hardware based signaling is covered in Section 14.2.
14.1. Processor-Based Signaling
The Channel Associated Signaling (CAS) bits embedded in the E1 stream can be extracted from the
receive stream and inserted into the transmit stream by the framer. Each of the 30 voice channels has four
signaling bits (A/B/C/D) associated with it. The numbers in parenthesis () are the voice channel
associated with a particular signaling bit. The voice channel numbers have been assigned as described in
the ITU documents. Please note that this is different than the channel numbering scheme (1 to 32) that is
used in the rest of the data sheet. For example, voice channel 1 is associated with timeslot 1 (Channel 2)
and voice Channel 30 is associated with timeslot 31 (Channel 32). There is a set of 16 registers for the
receive side (RS1 to RS16) and 16 registers on the transmit side (TS1 to TS16). The signaling registers
are detailed below.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS21FT44 | DATACOM, FRAMER, PBGA300 |
| DS21Q352 | DATACOM, PCM TRANSCEIVER, PBGA256 |
| DS21Q354 | DATACOM, PCM TRANSCEIVER, PBGA256 |
| DS21Q41BT | DATACOM, FRAMER, PQFP128 |
| DS21Q42TN | DATACOM, FRAMER, PQFP128 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS21FT44N+ | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 4x4 16/4x3 12 Chnl E1/E1 Framer 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 |
| DS21Q348 | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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 |
| DS21Q348B | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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 |
| DS21Q348DK | 功能描述:網(wǎng)絡(luò)開(kāi)發(fā)工具 RoHS:否 制造商:Rabbit Semiconductor 產(chǎn)品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評(píng)估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| DS21Q348N | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 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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