參數(shù)資料
型號(hào): XRT83SH314IB
廠商: Exar Corporation
文件頁數(shù): 19/101頁
文件大?。?/td> 0K
描述: IC LIU T1/E1/J1 14CH 304TBGA
標(biāo)準(zhǔn)包裝: 27
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 14/14
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 304-BBGA
供應(yīng)商設(shè)備封裝: 304-PBGA(31x31)
包裝: 托盤
XRT83SH314
20
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
REV. 1.0.4
2.2.2
Interference Margin
The interference margin for the XRT83SH314 will be added when the first revision of silicon arrives. The test
configuration for measuring the interference margin is shown in Figure 9.
FIGURE 9. TEST CONFIGURATION FOR MEASURING INTERFERENCE MARGIN
2.2.3
General Alarm Detection and Interrupt Generation
The receive path detects RLOS, AIS, QRPD and FLS. These alarms can be individually masked to prevent the
alarm from triggering an interrupt. To enable interrupt generation, the Global Interrupt Enable (GIE) bit must be
set "High" in the appropriate global register. Any time a change in status occurs (it the alarms are enabled), the
interrupt pin will pull "Low" to indicate an alarm has occurred. Once the status registers have been read, the
INT pin will return "High". The status registers are Reset Upon Read (RUR). The interrupts are categorized in
a hierarchical process block. Figure 10 is a simplified block diagram of the interrupt generation process.
Sinewave
Generator
Flat Loss
W&G ANT20
Network
Analyzer
Cable Loss
XRT83SH314
14-Channel LIU
E1 = 1,024kHz
T1 = 772kHz
E1 = PRBS 215 - 1
T1 = PRBS 223 - 1
Tx
Rx
External Loopback
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參數(shù)描述
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