參數(shù)資料
型號: XRT72L71IQ
廠商: Exar Corporation
文件頁數(shù): 45/102頁
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
標準包裝: 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
á
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 “l(fā)ocal” 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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