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參數(shù)資料
| 型號： | XRT72L71IQ |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 83/102頁 |
| 文件大小： | 0K |
| 描述： | IC FRAMER DS3 ATM UNI 160PQFP |
| 產(chǎn)品變化通告： | XRT72Lx Series Obsolescence 02/May/2012 |
| 標(biāo)準(zhǔn)包裝： | 24 |
| 控制器類型： | DS3 ATM UNI，透明通道調(diào)幀器 |
| 電源電壓： | 3.3V |
| 電流 - 電源： | 120mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 160-BQFP |
| 供應(yīng)商設(shè)備封裝： | 160-PQFP（28x28） |
| 包裝： | 托盤 |
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XRT72L71
DS3 ATM UNI/CLEAR CHANNEL FRAMER
REV. 1.1.0
77
TABLE 78: RX CP ADDITIONAL CONFIGURATION REGISTER
REGISTER 77
RX CP ADDITIONAL CONFIGURATION REGISTER
HEX ADDRESS: 0X4D
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7
Rx OAM FIFO Enable
R/W
0
0: The Receive OAM Cell Buffer functions as one cell (54 byte) buffer
1: The Receive OAM Cell Buffer functions as two-54-byte buffers.
NOTE: This bit-field is only active if the XRT72L71 is operating in the “ATM
UNI” Mode.
6
Rx CRC10 Enable
R/W
0
0: CRC-10 Verification is NOT performed on received OAM cells.
1: CRC-10 Verification is performed on received OAM cells.
NOTE: This bit-field is only active if the XRT72L71 is operating in the “ATM
UNI” Mode.
5
User Cell Filter Discard
R/W
0
0: Incoming cells with header bytes matching the “User Cell Filtering” criteria
are written to the RxFIFO (all remaining cells are discarded).
1: Incoming cells with header bytes NOT matching the “User Cell Filtering”
criteria are discarded (all remaining cells are written to RxFIFO)
NOTES:
1. This bit-field is only active if the XRT72L71 is operating in the “ATM
UNI” Mode.
2. This bit-field is only active of the “User Cell Filter” is enabled.
4
User Cell Filter Enable
R/W
0
0: User cell filter is disabled. All user cells will be written to the RxFIFO.
1: User cell filter is enabled.
NOTE: This bit-field is only active if the XRT72L71 is operating in the “ATM
UNI” Mode.
3
Correction Thresh(1)
R/W
1
These two bits permit the user to specify the Correction Threshold that the
Receive Cell Processor will use, during HEC Byte Verification.
00: Sets Correction Threshold to “0”.
01: Sets Correction Threshold to “1”.
10: Sets Correction Threshold to “3”.
11: Sets Correction Threshold to “7”.
NOTE: This bit-field is only active if the XRT72L71 is operating in the “ATM
UNI” Mode.
2
Correction Thresh(0)
R/W
1
Correction Enable
R/W
1
0: Disables header error correction.
1: Enables header error correction algorithm.
NOTE: This bit-field is only active if the XRT72L71 is operating in the “ATM
UNI” Mode.
0
OAM Pass Through
R/W
0
0: OAM cells are subject to the Idle Cell and User Cell Filtering criteria.
1: OAM cells are NOT subject to the Idle Cell and User Cell Filtering criteria.
NOTE: This bit-field is only active if the XRT72L71 is operating in the
“ATM UNI” Mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT72L71IQ-F | 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Single CH DS3 UNI (3.3V) 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 |
| XRT72L73IB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XRT72L74IB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
| XRT7300 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT7300ES | 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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