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參數(shù)資料
| 型號： | LXT351 |
| 廠商： | Intel Corp. |
| 英文描述： | T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation |
| 中文描述： | 短途的T1/E1收發(fā)器與晶體抖動衰減 |
| 文件頁數(shù)： | 18/46頁 |
| 文件大?。?/td> | 1132K |
| 代理商： | LXT351 |
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LXT351
—
T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation
18
Datasheet
2.5.1.2
Analog Loopback
See
Figure 6
. Analog loopback (ALOOP) exercises the maximum number of functional blocks.
ALOOP operation disconnects the RTIP/RRING inputs from the line and routes the transmit
outputs back into the receive inputs. This tests the encoders/decoders, jitter attenuator, transmitter,
receiver and timing recovery sections. Writing a 1 to bit CR2.EALOOP enables the ALOOP mode.
Note that ALOOP will override all other loopback modes.
2.5.1.3
Remote Loopback
See
Figure 7
. In Remote loopback (RLOOP) mode, the device ignores the transmit data and clock
inputs (TCLK and TPOS/TNEG or TDATA), and bypasses the in-line encoders/decoders. The
RPOS/RNEG or RDATA outputs loop back through the transmit circuits to TTIP and TRING at the
RCLK frequency. The RLOOP command does not affect the receiver circuits which continue to
output the RCLK and RPOS/RNEG or RDATA signals received from the twisted-pair line.
RLOOP is selected by writing a 1 to bit CR2.ERLOOP.
Figure 6. Analog Loopback
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LXT351PE | PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
| LXT351QE | PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC |
| LXT361QE | Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
| LXT360 | Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
| LXT361 | Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LXT351PE | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
| LXT351QE | 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC |
| LXT360 | 制造商:LVL1 制造商全稱:LVL1 功能描述:Integrated T1/E1 LH/SH Transceivers for DS1/DSX-1/CSU or NTU/ISDN PRI Applications |
| LXT360LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|QFP|44PIN|PLASTIC |
| LXT360PE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCM TRANSCEIVER|SINGLE|CEPT PCM-30/E-1|CMOS|LDCC|28PIN|PLASTIC |
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