TABLE 107:
參數(shù)資料
型號(hào)： XRT72L71IQ
廠商： Exar Corporation
文件頁(yè)數(shù)： 95/102頁(yè)
文件大?。?/td> 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(lèi)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(lèi)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(pán)
XRT72L71
á
DS3 ATM UNI/CLEAR CHANNEL FRAMER
REV. 1.1.0
88
TABLE 107: UTOPIA CONFIGURATION REGISTER
REGISTER 106
UTOPIA CONFIGURATION REGISTER
HEX ADDRESS: 0X6A
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7-6
Unused
RO
0
5
Handshake Mode
R/W
0
0: Transmit and Receive UTOPIA Interface blocks operate in the Octet-Level
handshake mode
1: Transmit and Receive UTOPIA Interfaces blocks operate in the Cell-Level
handshake mode
NOTE: This bit-field is ignore if the XRT72L71 is configured to operate in the
“Clear-Channel Framer” Mode, or if the chip is configured to operate in the
“Multi-PHY” Mode.
4M PHY
R/W
1
0: Transmit and Receive UTOPIA Interface block operates in the “Single-
PHY” mode
1: Transmit and Receive UTOPIA Interface block operates in the “Multi-PHY”
mode
NOTE: This bit-field is only active if the XRT72L71 is configured to operate
in the “ATM UNI” Mode.
3
Cell of 52Bytes
R/W
0
0: Transmit and Receive UTOPIA Interface blocks process 53 bytes/cell
when the UTOPIA Data Bus width is set to 8 bits. The Transmit and Receive
UTOPIA Interface blocks process 54 bytes when the UTOPIA Data Bus width
is set to 16 bits.
1: Transmit and Receive UTOPIA Interface blocks process 52 bytes/cell,
independent of the UTOPIA Data Bus width.
NOTE: This bit-field is only active if the XRT72L71 is configured to operate
in the “ATM UNI” Mode.
2
Tx FIFO Depth(‘1)
R/W
0
00: Operating Depth of Transmit FIFO is 16 cells
01: Operating Depth of Transmit FIFO is 12 cells
10: Operating Depth of Transmit FIFO is 8 cells
11: Operating Depth of Transmit FIFO is 4 cells
NOTE: This bit-field is only active if the XRT72L71 is configured to operate
in the “ATM UNI” Mode.
1
Tx FIFO Depth(0)
R/W
0
UTOPIA Width16
R/W
0
0: Transmit and Receive UTOPIA Data Bus Width is configured to be 8 bits.
1: Transmit and Receive UTOPIA Data Bus Width is configured to be16 bits.
NOTE: This bit-field is only active if the XRT72L71 is configured to operate
in the “ATM UNI” Mode.
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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(chēng):未知廠家 功能描述:Telecommunication IC
XRT72L74IB 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Telecommunication IC
XRT7300 制造商:EXAR 制造商全稱(chēng):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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