参数资料
| 型号： | XRT72L71IQ |
| 厂商： | Exar Corporation |
| 文件页数： | 66/102页 |
| 文件大小： | 0K |
| 描述： | IC FRAMER DS3 ATM UNI 160PQFP |
| 产品变化通告： | XRT72Lx Series Obsolescence 02/May/2012 |
| 标准包装： | 24 |
| 控制器类型： | DS3 ATM UNI，透明通道调帧器 |
| 电源电压： | 3.3V |
| 电流 - 电源： | 120mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 160-BQFP |
| 供应商设备封装： | 160-PQFP（28x28） |
| 包装： | 托盘 |
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XRT72L71
á
DS3 ATM UNI/CLEAR CHANNEL FRAMER
REV. 1.1.0
62
TABLE 29: TX DS3 FEAC CONFIGURATION AND STATUS REGISTER
REGISTER 28
TX DS3 FEAC CONFIGURATION AND STATUS REGISTER
HEX ADDRESS: 0X1C
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7-5
Unused
RO
0
4
Tx FEAC Interrupt Enable
R/W
0
0: Disables the “Transmit FEAC” Interrupt.
1: Enables the “Transmit FEAC” Interrupt.
NOTE: This bit-field is only active if the XRT72L71 is configured to support
the “C-bit Parity” Framing format.
3
Tx FEAC Interrupt Status
RUR
0
0: Indicates that the “Transmit FEAC” Interrupt has not occurred since the
last read of this register.
1: Indicates that the “Transmit FEAC” Interrupt request has occurred since
the last read of this register.
NOTE: This bit-field is only active if the XRT72L71 is configured to support
the “C-bit Parity” Framing format.
2
Tx FEAC Enable
R/W
0
0: The Transmit FEAC Processor is disabled, and cannot be commanded to
transmit a FEAC Message to the remote terminal equipment.
1: The Transmit FEAC Processor is enabled, and is able to be commanded
to transmit FEAC Messages to the remote terminal equipment.
NOTE: This bit-field is only active if the XRT72L71 is configured to support
the “C-bit Parity” Framing format.
1
Tx FEAC Go
R/W
0
0 to 1 transition within this bit-field commands the Transmit FEAC Processor
to begin its transmission of the FEAC Message, which resides within the
“TxFEAC” Register.
NOTE: This bit-field is only active if the XRT72L71 is configured to support
the “C-bit Parity” Framing format.
0
Tx FEAC Busy
RO
0
0: Indicates that the Transmit FEAC Processor is NOT currently transmitting
a FEAC Message to the remote terminal equipment
1: Data from FEAC register is currently being transmitted to the remote ter-
minal equipment.
NOTE: This bit-field is only active if the XRT72L71 is configured to support
the “C-bit Parity” Framing format.
TABLE 30: TX DS3 FEAC REGISTER
REGISTER 29
TX DS3 FEAC REGISTER
HEX ADDRESS 0X1D
BIT
FUNCTION
TYPE
DEFAULT
DESCRIPTION-OPERATION
7Unused
RO
0
6
Tx FEAC (5)
R/W
1
Contains the value of the FEAC Code (or Message) that is to be transmitted
to the remote terminal equipment. The LSB of this bit-field will be transmit-
ted first.
NOTE: This register is only active if the XRT72L71 has been configured to
operate in the “C-bit Parity” Framing Format
5
Tx FEAC (4)
R/W
1
4
Tx FEAC (3)
R/W
1
3
Tx FEAC (2)
R/W
1
2
Tx FEAC (1)
R/W
1
Tx FEAC (0)
R/W
1
0Unused
RO
0
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相关代理商/技术参数 |
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| XRT72L71IQ-F | 功能描述:网络控制器与处理器 IC Single CH DS3 UNI (3.3V) RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
| XRT72L73IB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| XRT72L74IB | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Telecommunication IC |
| XRT7300 | 制造商:EXAR 制造商全称:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT7300ES | 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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