參數(shù)資料
型號: XRT73LC03AIV
廠商: Exar Corporation
文件頁數(shù): 42/61頁
文件大?。?/td> 0K
描述: IC LIU E3/DS3/STS-1 3CH 120LQFP
標準包裝: 72
類型: 線路接口裝置(LIU)
驅動器/接收器數(shù): 3/3
規(guī)程: DS3,E3,STS-1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 120-LQFP
供應商設備封裝: 120-LQFP(14x20)
包裝: 托盤
XRT73LC03A
45
REV. 1.0.4
3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
To invert RxClk_(n), associated with Channel(n),
write a "1" into the RxClk_(n)INV bit-field within Com-
mand Register CR-3.
b. Operating in the Hardware Mode
Setting the RxClkINV input pin “High" inverts all the
RxClk_(n) output signals.
3.6.2
Routing Single-Rail Format (Binary Data
Stream) data to the Receive Terminal Equipment
To route Single-Rail format data (e.g., a binary data
stream) from the Receive Section of a channel to the
Receiving Terminal Equipment, do the following.
a. Operating in the HOST Mode
To configure Channel(n) to output Single-Rail data to
the Terminal Equipment, write a "1" into the (SR/
DR)_(n) bit-field within Command Register CR3-(n).
The configured channel outputs Single-Rail data to
the Receiving Terminal Equipment via its correspond-
ing RPOS_(n) and RxClk_(n) output pins, as illustrat-
ed in Figure 31 and Figure 32.
b. Operating in the Hardware Mode
The XRT73LC03A is configure to output Dual-Rail
data from the Receive Sections of all channels by
pulling the (SR/DR) pin to GND.
The XRT73LC03A is configure to output Single-Rail
data from the Receive Sections of all channels by
pulling the (SR/DR) pin to VDD.
NOTE: When the XRT73LC03A is operating in the Hard-
ware Mode, the setting of the (SR/DR) input pin applies glo-
bally to all channels.
.
COMMAND REGISTER CR3-(n)
D4
D3
D2
D1
D0
(SR/DR)_(n)
LOSMUT_(n)
RxOFF_(n)
RxClk_(n)INV
Reserved
XX
X
1
X
COMMAND REGISTER CR3-(n)
D4
D3
D2
D1
D0
(SR/DR)_(n)
LOSMUT_(n)
RxOFF_(n)
RxClk_(n)INV
Reserved
1X
X
FIGURE 31. THE TYPICAL INTERFACE FOR THE TRANSMISSION OF DATA IN A SINGLE-RAIL FORMAT
FROM THE
RECEIVE SECTION OF THE XRT73LC03A TO THE RECEIVING TERMINAL EQUIPMENT
TerminalEquipment
(E3/DS3 or STS-1
Framer)
Exar E3/DS3/STS-1 LIU
Receive
Logic
Block
RxPOS
RxClk
RPOS
RxClk
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