参数资料
型号: XRT72L71IQ
厂商: Exar Corporation
文件页数: 45/102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
DS3 ATM UNI/CLEAR CHANNEL FRAMER
REV. 1.1.0
43
Microprocessor interface supports 8 bit wide or 16-
bit wide read/write accesses.
Supports polled or interrupt-driven environments.
Supports burst mode “Read and Write” operations
between the “local” microprocessor and the UNI on-
chip registers and RAM locations.
Includes a “Loss of Clock Signal” protection feature
that terminates “Read/Write” cycles with the local
P, during a “Loss of Clock signal” event.
PERFORMANCE MONITOR SECTION
Contains numerous on-chip “Read-Only” registers
that allows the user to monitor the overall “health” of
the system.
TEST AND DIAGNOSTIC SECTION
Supports Line, PLCP, and Cell Loop-back Modes
Supports Line-Side Testing
Contains an on-chip Test Cell Generator and an on-
chip Test Cell Receiver
Test Cell Generator can generate a “continuous”
stream of test cells, or a “one-shot” burst of 1024
test cells.
The Test Cell Receiver identifies, collects and eval-
uates Test Cells for errors.
The Test Cell Receiver also reports the occurrence
of errors to the user.
LINE INTERFACE DRIVE AND SCAN SECTION
Consists of an on-chip “Read/Write” register that
allows the user to control the state of 6 output pins.
Consists of an on-chip “Read-Only” register that al-
lows the user to monitor the state of 3 input pins.
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