參數(shù)資料
型號: XRT83SH314IB
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PBGA304
封裝: 31 X 31 MM, 1.27 MM PITCH, PLASTIC, BGA-304
文件頁數(shù): 29/101頁
文件大?。?/td> 656K
代理商: XRT83SH314IB
XRT83SH314
25
REV. 1.0.4
14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
3.0
TRANSMIT PATH LINE INTERFACE
The transmit path of the XRT83SH314 LIU consists of 14 independent T1/E1/J1 transmitters. The following
section describes the complete transmit path from TCLK/TPOS/TNEG inputs to TTIP/TRING outputs. A
simplified block diagram of the transmit path is shown in
Figure 15
.
F
IGURE
15. S
IMPLIFIED
B
LOCK
D
IAGRAM
OF
THE
T
RANSMIT
P
ATH
3.1
TCLK/TPOS/TNEG Digital Inputs
In dual rail mode, TPOS and TNEG are the digital inputs for the transmit path. In single rail mode, TNEG has
no function and can be left unconnected. The XRT83SH314 can be programmed to sample the inputs on
either edge of TCLK. By default, data is sampled on the falling edge of TCLK. To sample data on the rising
edge of TCLK, set TCLKE to "1" in the appropriate global register.
Figure 16
is a timing diagram of the
transmit input data sampled on the falling edge of TCLK.
Figure 17
is a timing diagram of the transmit input
data sampled on the rising edge of TCLK. The timing specifications are shown in
Table 6
.
F
IGURE
16. T
RANSMIT
D
ATA
S
AMPLED
ON
F
ALLING
E
DGE
OF
TCLK
HDB3/B8ZS
Encoder
Tx Jitter
Attenuator
Timing
Control
Tx Pulse Shaper
& Pattern Gen
Line Driver
TTIP
TRING
TCLK
TPOS
TNEG
TCLK
TPOS
or
TNEG
TCLK
R
TCLK
F
T
HO
T
SU
相關PDF資料
PDF描述
XRT83SH38 8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
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相關代理商/技術參數(shù)
參數(shù)描述
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XRT83SH314IB-SAK 制造商:Exar Corporation 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT 制造商:EXAR 功能描述:14-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SH38 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SH38_0609 制造商:EXAR 制造商全稱:EXAR 功能描述:8-CHANNEL T1/E1/J1 SHORT-HAUL LINE INTERFACE UNIT
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