參數(shù)資料
型號: XRT86VL3X
廠商: Exar Corporation
元件分類: 通信及網(wǎng)絡
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 46/149頁
文件大?。?/td> 1274K
代理商: XRT86VL3X
XRT86VL3X
39
T1/E1/J1 FRAMER/LIU COMBO - ARCHITECTURE DESCRIPTION
Any combination of between 1 and all 5 of the National bits can be selected to transport the Data Link
information bits.
REV. 1.2.0
The table below shows configuration of the Transmit Sa Data Link Select bits of the Transmit Signaling and
Data Link Select Register (TSDLSR).
For every Sa bit that is selected to carry Data Link information, the Transmit Overhead Input Interface will
supply a clock pulse, via the TxOHClk_n output pin, such that:
The Data Link equipment interfaced to the Transmit Overhead Input Interface should update the data on the
TxOH_n line upon detection of the rising edge of TxOHClk_n.
The Transmit Overhead Input Interface will sample and latch the data on the TxOH_n line on the falling edge
of TxOHClk_n.
TRANSMIT SIGNALING AND DATA LINK SELECT REGISTER (TSDLSR) (ADDRESS = 0XN10AH)
B
IT
N
UMBER
B
IT
N
AME
B
IT
T
YPE
B
IT
D
ESCRIPTION
7
Transmit Sa8 Data
Link Select
R/W
0 - Source of the Sa8 Nation bit is not from the data link interface.
1 - Source the Sa8 National bit from the data link interface.
6
Transmit Sa7 Data
Link Select
R/W
0 - Source of the Sa7 Nation bit is not from the data link interface.
1 - Source the Sa7 National bit from the data link interface.
5
Transmit Sa6 Data
Link Select
R/W
0 - Source of the Sa6 Nation bit is not from the data link interface.
1 - Source the Sa6 National bit from the data link interface.
4
Transmit Sa5 Data
Link Select
R/W
0 - Source of the Sa5 Nation bit is not from the data link interface.
1 - Source the Sa5 National bit from the data link interface.
3
Transmit Sa4 Data
Link Select
R/W
0 - Source of the Sa4 Nation bit is not from the data link interface.
1 - Source the Sa4 National bit from the data link interface.
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