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參數(shù)資料
| 型號： | DS2181AQ |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Digital Transmission Controller |
| 英文描述： | DATACOM, FRAMER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 16/32頁 |
| 文件大?。?/td> | 377K |
| 代理商： | DS2181AQ |
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DS2181A
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RDMA
RDMA transitions high when bit 6 of timeslot 16 in frame 0 is set for three consecutive occasions and
returns low when the bit is clear for three consecutive occasions. The RDMA bit (RSR.6) is a latched
version of the RDMA output.
RCL
RCL transitions high after 32 consecutive 0s appear at RPOS and RNEG; it goes low at the next 1
occurrence.
RFER
The RFER output transitions high when received frame alignment, CAS multiframe alignment and/or
CRC4 code words are in error. The FECR and CECR log error events reported at this output. FECR logs
only the frame alignment word errors. CECR logs CRC4 code word errors.
To complement the on-chip error logging capabilities of the DS2181A, the system designer can use off-
chip logic gated by receive side outputs RCHCLK, RAF, RSTS and RCSYNC to demux error states
present at RFER. See the separate DS2181A CEPT Transceiver Application Note for more details.
RFER OUTPUT TIMING FOR ALL ERROR CONDITIONS Figure 23
CAS MULTIFRAME ALIGNMENT ERROR Figure 24
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2182A | DATACOM, FRAMER, PDIP28 |
| DS2186S | DATACOM, DIGITAL SLIC, PDSO20 |
| DS2187 | DATACOM, PCM TRANSCEIVER, PDIP18 |
| DS2196LN | DATACOM, FRAMER, PQFP100 |
| DS21FF44 | DATACOM, FRAMER, PBGA300 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2181AQ/T&R | 制造商:Maxim Integrated Products 功能描述:CEPT TRANCEIVER-PLCC-TRL - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TXRX CEPT PRIMARY RATE 44PLCC |
| DS2181AQ/T&R+ | 制造商:Maxim Integrated Products 功能描述:CEPT TRNSCVR 1TX 1RX 44PLCC - Tape and Reel |
| DS2181AQ/T&R | 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 |
| DS2181AQ+ | 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 |
| DS2181AQ+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:CEPT TRNSCVR 1TX 1RX 44PLCC - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC TXRX CEPT PRIMARY RATE 44PLCC |
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