參數(shù)資料
型號(hào)： XRT73L03BIV
廠商： Exar Corporation
文件頁(yè)數(shù)： 42/61頁(yè)
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 3CH 120LQFP
標(biāo)準(zhǔn)包裝： 72
類型： 線路接口裝置（LIU）
驅(qū)動(dòng)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(yīng)商設(shè)備封裝： 120-LQFP（14x20）
包裝： 托盤(pán)
XRT73L03B
3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.1
45
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-
b. Operating in the Hardware Mode
The XRT73L03B is configure to output Dual-Rail data
from the Receive Sections of all channels by pulling
the (SR/DR) pin to GND.
The XRT73L03B 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 XRT73L03B is operating in the Hardware
Mode, the setting of the (SR/DR) input pin applies globally
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 XRT73L03B 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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