參數(shù)資料
型號: XRT4500
廠商: Exar Corporation
英文描述: MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
中文描述: 多協(xié)議串行網(wǎng)絡(luò)接口芯片
文件頁數(shù): 59/99頁
文件大小: 1384K
代理商: XRT4500
XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
á
56
The “Clock Inversion” feature is also available if the
XRT4500 is operating in the “DTE” Mode. Figure 29
presents an illustration of a DTE Mode XRT4500,
when it is configured to invert the TXC clock signal.
The Benefits of the “Clock Inversion” Feature
In Section 1.3.4 of this document, a lengthy discussion,
regarding the “2-Clock/Propagation Delay” phenomenon
is presented. In this Section, the “Echo-Clock” Fea-
ture was also presented as a possible solution to the
“2-Clock/Propagation Delay” phenomenon. However,
the “Echo-Clock” feature has a drawback. If a “DCE
Equipment” manufacturer were to interface his/her
equipment to a DTE Terminal that does not support
F
IGURE
28. I
LLUSTRATION
OF
THE
DCE M
ODE
XRT4500
BEING
CONFIGURED
TO
INVERT
THE
TXC
SIGNAL
SCC (R)
SCC (L)
XRT4500
XRT4500
RX1
TX1
RX2
TX2
RX3
TX3
RX2
TX2
RX1
TX1
RXD_OUT
RXC
TXC
SCTE_IN
TXD_IN
TXD
SCTE
TXC_IN
RXC_IN
RXD_IN
60
67
73
74
1
78
79
77
76
70
71
64
65
63
62
1
74
68
67
60
63
62
64
65
70
71
77
76
78
79
TXD
SCTE
TXC
RXC
RXD
DCE
DTE
F
IGURE
29. I
LLUSTRATION
OF
THE
DTE M
ODE
XRT4500
BEING
CONFIGURED
TO
INVERT
THE
TXC
SIGNAL
SCC (R)
SCC (L)
XRT4500
XRT4500
RX1
TX1
RX2
TX2
RX3
TX3
RX2
TX2
RX1
TX1
RXD
RXC
TXC
SCTE_IN
TXD_IN
TXD
SCTE
TXC_IN
RXC_IN
RXD_IN
60
67
73
74
1
78
79
77
76
70
71
64
65
63
62
1
74
68
67
60
63
62
64
65
70
71
77
76
78
79
TXD
SCTE
TXC
RXC
RXD
DCE
DTE
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