參數(shù)資料
型號(hào): XRT83SL38IB-F
廠商: Exar Corporation
文件頁(yè)數(shù): 42/88頁(yè)
文件大?。?/td> 0K
描述: IC LIU SH T1/E1/J1 OCTAL 225BGA
標(biāo)準(zhǔn)包裝: 84
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 8/8
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: 225-BGA
供應(yīng)商設(shè)備封裝: 225-BGA(19x19)
包裝: 托盤
XRT83SL38
45
REV. 1.0.2
OCTAL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
DUAL LOOP-BACK
Figure 21 depicts the data flow in dual-loopback. In this mode, selecting the jitter attenuator in the transmit
path will have the same result as placing the jitter attenuator in the receive path. In dual Loop-Back mode the
recovered clock and data from the line are looped back through the transmitter to the TTIP and TRING without
passing through the jitter attenuator. The transmit clock and data are looped back through the jitter attenuator
to the RCLK and RPOS/RDATA and RNEG pins.
FIGURE 21. SIGNAL FLOW IN DUAL LOOP-BACK MODE
Tx
Decoder
Timing
Control
Rx
Data &
Clock
Recovery
JA
TPOS
TNEG
TCLK
RCLK
RPOS
RNEG
Encoder
TTIP
TRING
RTIP
RRING
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