參數(shù)資料
型號： XRT86VL32IB
廠商： EXAR CORP
元件分類： 數(shù)字傳輸電路
英文描述： Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述： DATACOM, FRAMER, PBGA225
封裝： 19 X 19 MM, 1 MM PITCH, PLASTIC, BGA-225
文件頁數(shù)： 60/174頁
文件大?。?/td> 903K
代理商： XRT86VL32IB
XRT86VL32
55
DUAL T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION
REV. V1.2.0
T
ABLE
34: PRBS C
ONTROL
AND
S
TATUS
R
EGISTER
1 (PRBSCSR1) H
EX
A
DDRESS
: 0
XN
123
B
IT
F
UNCTION
T
YPE
D
EFAULT
D
ESCRIPTION
-O
PERATION
7
PRBSTyp
R/W
0
PRBS Pattern Type
This bit selects the type of PRBS pattern that the E1 Transmit/
Receive framer will generate or detect. PRBS 15 (X
15
+ X
14
+1)
Polynomial or QRTS (Quasi-Random Test Signal) Pattern can be
generated by the transmit or receive framer depending on whether
PRBS switch function is enabled or not (bit 3 in register 0xn121).
If the PRBS Switch function is disabled, E1 transmit framer will gen-
erate either PRBS 15 or QRTS pattern and output to the line inter-
face. PRBS 15 or QRTS pattern depends on the setting of this bit.
If the PRBS Switch function is enabled, E1 receive framer will gen-
erate either PRBS 15 or QRTS pattern and output to the receive
back plane interface. PRBS 15 or QRTS pattern depends on the
setting of this bit.
0 = Enables the PRBS 15 (X
15
+ X
14
+1) Polynomial generation.
1 = Enables the QRTS (Quasi-Random Test Signal) pattern genera-
tion.
6
ERRORIns
R/W
0
Error Insertion
This bit is used to insert a single PRBS/QRTS error to the transmit
or receive output depending on whether PRBS switch function is
enabled or not. (bit 3 in register 0xn121).
If the PRBS Switch function is disabled, E1 transmit framer will
insert a single PRBS/QRTS error and output to the line interface if
this bit is enabled.
If the PRBS Switch function is enabled, E1 receive framer will insert
a single PRBS/QRTS error and output to the receive back plane
interface if this bit is enabled.
A ‘0’ to ‘1’ transition will cause one output bit inverted in the PRBS/
QRTS stream.
This bit only works if PRBS generation is enabled.
5
DATAInv
R/W
0
PRBS Data Invert:
This bit inverts the Transmit PRBS/QRTS output data and the
Receive PRBS/QRTS input data. The exact function of this bit
depends on whether PRBS switch function is enabled or not. (bit 3
in register 0xn121).
If the PRBS Switch function is disabled and if this bit is enabled, E1
transmit framer will invert the PRBS/QRTS data before it outputs to
the line interface, and the E1 receive framer will invert the incoming
PRBS/QRTS data before it receives it.
If the PRBS Switch function and this bit are both enabled, E1
receive framer will invert the PRBS/QRTS data before it outputs to
the line interface, and the E1 transmit framer will invert the incoming
PRBS/QRTS data before it receives it.
0 - Transmit and Receive Framer will not invert the Transmit PRBS/
QRTS and Receive PRBS data.
1 - Transmit and Receive Framer will invert the Transmit PRBS/
QRTS and Receive PRBS data.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT86VL32IB-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 1-Ch T1/E1/J1 RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT86VL34 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
XRT86VL34_07 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - E1 REGISTER DESCRIPTION
XRT86VL34_1 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - HARDWARE DESCRIPTION
XRT86VL34_2 制造商:EXAR 制造商全稱:EXAR 功能描述:QUAD T1/E1/J1 FRAMER/LIU COMBO - T1 REGISTER DESCRIPTION
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