參數(shù)資料
型號(hào)： 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)： 4/32頁
文件大?。?/td> 377K
代理商： DS2181AQ
DS2181A
12 of 32
FIXED FRAME RESYNC CRITERIA
When enabled via RCR.1, the device will automatically initiate frame search whenever the frame
alignment word is received in error three consecutive times.
FIXED CAS MULTIFRAME RESYNC CRITERIA
When enabled via RCR.1, the device will automatically initiate frame search whenever two consecutive
CAS multiframe alignment words are received in error.
FIXED CRC4 RESYNC CRITERIA
If CCR.1=1 or if the TEST pin is tied high, then the DS2181A will initiate the resync at the FAS level if
915 or more CRC4 words out of 1000 are received in error.
CAS SIGNALLING SOURCE
CAS applications sample signaling data at TSER when TCR.6 = 0; an on-chip data multiplexer accepts
channel-associated data input at TSD when TCR.6 = 1. The data multiplexer must be disabled (TCR.6 =
0) when the CCS mode is enabled (TCR.5 = 1).
TSD INPUT TIMING (TCR.6 = 1; TCR.5 = 0) Table 6
FRAME #
TIMESLOT SIGNALING
DATA SAMPLED AT TSD
017
1
1, 18
2
2, 19
3
3, 20
4
4, 21
5
5, 22
6
6, 23
7
7, 24
8
8, 25
9
9, 26
10
0, 27
11
11, 28
12
12, 29
13
13, 30
14
14, 31
15
NOTE:
1. A, B, C and D data is sampled on falling edges of TCLK during bit times 5, 6, 7 and 8 of timeslots
indicated.
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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