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參數(shù)資料
| 型號(hào)： | XRT82L38 |
| 廠商： | Exar Corporation |
| 英文描述： | Octal E1/T1/J1 Line Transceiver with Clock Recovery and Jitter Attenuator(八 T1/E1/J1線收發(fā)器（帶時(shí)鐘恢復(fù)和振蕩衰減器）) |
| 中文描述： | 八進(jìn)制E1/T1/J1線收發(fā)器時(shí)鐘恢復(fù)和抖動(dòng)衰減器（八的T1/E1/J1線收發(fā)器（帶時(shí)鐘恢復(fù)和振蕩衰減器）） |
| 文件頁(yè)數(shù)： | 11/54頁(yè) |
| 文件大小： | 356K |
| 代理商： | XRT82L38 |
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XRT82L38
OCTAL E1/T1/J1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
PRELIMINARY
REV. P1.0.5
9
59
A[1]
I
Host Mode
Microprocessor Interface Address Bus [1]
Hardware Mode:
This pin together with A[2], A[3] and A[4] becomes the Protected Monitoring
Address Select Input. With protected monitoring feature enabled, receiver 7
inputs at RTIP_7 and RRing_7 are internally connected to one of the other
seven transmit or receive channels, receiver 7 recovers the input data and
clock and output them to RxPOS_7/RxNEG_7 and RxClk_7 respectively. In
addition, data to be monitored can be routed to TTIP_7 and TRing_7 by
means of activating Remote loop-back for channel 7.
With A[1], A[2] and A[3] tied "Low", the Protected Monitoring feature is dis-
abled and XRT82L38 is configured as an octal line transceiver.
Protected Monitoring Channel Select
60
61
62
A[2]
A[3]
A[4]
I
I
I
Host Mode
Microprocessor Interface Address Bus[2]
Hardware Mode
(See Pin 59 description for Protected Monitoring Feature.)
Address Bus[3]
Address Bus[4]
63
RxClk_7
O
Receiver 7 Clock Output
64
RxPOS_7
RData_7
O
O
Receiver 7 Positive Data Output:
In dual-rail mode, this signal is the receive p-rail output data.
Receiver 7 NRZ Data Output:
In single-rail mode, this signal is the receive output data.
PIN DESCRIPTION
P
IN
#
N
AME
T
YPE
D
ESCRIPTION
A[4]
A[3]
A[2]
A[1]
Selection
0
0
0
0
No Monitoring
0
0
0
1
Receiver 0
0
0
1
0
Receiver 1
0
0
1
1
Receiver 2
0
1
0
0
Receiver 3
0
1
0
1
Receiver 4
0
1
1
0
Receiver 5
0
1
1
1
Receiver 6
1
0
0
0
No Monitoring
1
0
0
1
Transmitter 0
1
0
1
0
Transmitter 1
1
0
1
1
Transmitter 2
1
1
0
0
Transmitter 3
1
1
0
1
Transmitter 4
1
1
1
0
Transmitter 5
1
1
1
1
Transmitter 6
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相關(guān)代理商/技術(shù)參數(shù) |
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