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參數(shù)資料
| 型號： | XRT83D10 |
| 廠商： | Exar Corporation |
| 英文描述： | SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT |
| 中文描述： | 單通道DS1/CEPT線路接口單元 |
| 文件頁數(shù)： | 3/18頁 |
| 文件大小： | 258K |
| 代理商： | XRT83D10 |
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SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT
XRT83D10
REV. 1.0.3
3
PIN DESCRIPTIONS
MICROPROCESSOR
P
IN
#
N
AME
T
YPE
D
ESCRIPTION
15
CS
I
Microprocessor Interface Select (Active Low)
CS loads the data into the device on its falling edge and latches the data on its
rising edge.
For Hardware mode, CS is left open or connected to GND.
N
OTE
:
Internally pulled down
1
EC1
I
Transmit Equalization Control.
The three inputs, EC1,EC2 and EC3 are used for selecting transmit equaliza-
tion.
N
OTE
:
Internally Pulled down.
27
EC3
I
Transmit Equalization Control
N
OTE
:
Internally Pulled down.
28
EC2
I
Transmit Equalization Control
N
OTE
:
Internally Pulled down.
7
MODE2
I
Mode Select
Mode 1 and Mode 2 select the clock and data paths through the jitter attenua-
tor.
N
OTE
:
Internally Pulled down.
8
MODE1
I
Mode Select
N
OTE
:
Internally Pulled down.
9
LOOPB
I
Loopback control.
LOOPB along with LOOPA are used for selecting different loopbacks.
N
OTE
:
Internally Pulled down.
10
LOOPA
I
Loopback control.
LOOPB along with LOOPA are used for selecting different loopbacks.
N
OTE
:
Internally Pulled down.
LOOPA
0
0
Loopback Mode
Normal Operation
Digital
LOOPB
0
1
1
1
Remote
Local
0
1
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