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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)： | 32/32頁 |
| 文件大?。?/td> | 377K |
| 代理商： | DS2181AQ |
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DS2181A
9 of 32
NOTE:
1. When the common channel signaling mode is enabled (TCR.5 = 1), the TSD input is disabled
internally; all timeslot 16 data is sampled at TSER.
CCR: COMMON CONTROL REGISTER Figure 5
(MSB)
(LSB)
-
TAFP
THDE
RHDE
TCE
RCE
SAS
LLB
SYMBOL
POSITION
NAME AND DESCRIPTION
-
CCR.7
Reserved; must be 0 for proper operation.
TAFP
CCR.6
Transmit Align Frame Position
1
When clear, the CAS multiframe begins with a frame containing
the frame alignment signal. When set, the CAS multiframe begins
with a frame not containing the frame alignment signal.
THDE
CCR.5
Transmit HDB3 Enable
0 = Outgoing data at TPOS and TNEG is AMI coded.
1 = Outgoing data at TPOS and TNEG is HDB3 coded.
RHDE
CCR.4
Receive HDB3 Enable
0 = Incoming data at RPOS and RNEG is AMI coded.
1 = Incoming data is RPOS and RNEG is HDB3 coded.
TCE
CCR.3
Transmit CRC4 Enable
When set, outgoing international bit positions in frames 0 through
12 and 14 are replaced by CRC4 multiframe alignment and
checksum words.
RCE
CCR.2
Receive CRC4 Enable
0 = Disable CRC4 multiframe synchronizer.
1 = Enable CRC4 synchronizer; search for CRC4 multiframe
alignment once frame alignment complete.
SAS
CCR.1
Sync Algorithm Select
0 = Use old DS2181 sync algorithm
1 = Use new DS2181A sync algorithm
LLB
CCR.0
Local Loopback
0 = Normal operation.
1 = Internally loop TPOS, TNEG, and TCLK to RPOS, RNEG,
and RCLK.
NOTES:
1. This bit must be cleared when CRC4 multiframe mode is enabled (CCR.3 = 1); its state does not
affect CCS framing (RCR.5 = 1).
2. CCR is considered a receive register and operates from RCLK and SCLK.
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 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| DS2181AQ+ | 功能描述:網(wǎng)絡控制器與處理器 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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