參數(shù)資料
型號(hào)： XR-T5794
廠商： Exar Corporation
英文描述： Quad E-1 Line Interface Unit
中文描述： 四的E - 1線路接口單元
文件頁(yè)數(shù)： 5/20頁(yè)
文件大?。?/td> 201K
代理商： XR-T5794
XR-T5794
5
Rev. 2.01
PIN DESCRIPTION (CONT’D)
PLCC
Pin #
SQFP
Pin #
Symbol
Type
Description
25
18
RXNEG4
O
Receiver 4 Negative Data Out.
Negative data output in NRZ or RZ format for
receiver 4.
26
19, 20
RV
DD
LPMOD4
V
DD
I
Receive V
DD
.
+5V (
Loop Mode 4.
If driven high the loopback mode of channel 4 will be set to re-
mote loop. Otherwise theloopback mode will remain at local loop. The
actual loopback will be activated when the LOOPEN4 is asserted.
5%).
27
21
28
22
LPMOD3
I
Loop Mode 3.
If driven high the loopback mode of channel 3 will be set to re-
mote loop. Otherwise the loopback mode will remain at local loop. The
actual loopback will be activated when the LOOPEN3 is asserted.
29
23
RXIN4
I
Receiver 4 Input.
Receiver 4 bipolar input connected to coupling capacitor or
pulse transformer.
30
24
LOS4
O
Receiver 4 Loss Of Signal.
Asserted during LOS condition. Clear otherwise.
31
25
LOS3
O
Receiver 3 Loss Of Signal
.
Asserted during LOS condition. Clear otherwise.
32
26
RXIN3
I
Receiver 3 Input.
Receiver 3 bipolar input connected to coupling capacitor or
pulse transformer.
33
27
MSEL0
I
Monitor Channel Select 0.
Select line, used to select a channel for monitoring
using the MOUT pin based on the following assignment:
MSEL2 MSEL1 MSEL0 SELECTS
0 0 0 Line 1 Receive
0 0 1 Line 2 Receive
0 1 0 Line 3 Receive
0 1 1 Line 4 Receive
1 0 0 Line 1 Transmit
1 0 1 Line 2 Transmit
1 1 0 Line 3 Transmit
1 1 1 Line 4 Transmit
Note
The monitoring is only done on the NRZ data output signals from
the receiver or from the
transmitter line side.
34
28
MSEL1
I
Monitor Channel Select 1.
See table above.
35
29, 30
RGND
GND
Receive Ground.
36
31
RGND
GND
Receive Ground.
37
32
MSEL2
I
Monitor Channel Select 2.
See table above.
38
33
RXIN2
I
Receiver 2 Input
. Receiver 2 bipolar input connected to coupling capacitor or
pulse transformer.
39
34
LOS1
O
Receiver 1 Loss Of Signal.
Asserted during LOS condition. Clear otherwise.
40
35
LOS2
O
Receiver 2 Loss Of Signal
. Asserted during LOS condition. Clear otherwise.
41
36
RXIN1
I
Receiver 1 Input
.
Receiver 1 bipolar input connected to coupling capacitor or
pulse transformer.
42
37
LPMOD2
I
Loop Mode 2.
If driven high the loopback mode of channel 2 will be set to re-
mote loop. Otherwise the loopback mode will remain at local loop. The
actual loopback will be activated when the LOOPEN2 is asserted.
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XRT5794ES 制造商:EXAR 制造商全稱:EXAR 功能描述:Evaluation System
XRT5794ES-PLCC 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4 CH E1 AFE RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT5794ES-TQFP 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4 CH E1 AFE RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XR-T5794IJ 制造商:EXAR 制造商全稱:EXAR 功能描述:Quad E-1 Line Interface Unit
XRT5794IJ-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
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