參數(shù)資料
型號(hào)： 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)： 70/99頁
文件大?。?/td> 1384K
代理商： XRT4500
á
XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
67
inputs or outputs. * indicates signal complement. X
is don't care.
.
N
OTES
:
1. Table entries are inputs to MUX2.
2. Column headings are outputs.
3. Signal names ending with A or B are analog inputs or
outputs. Signal names ending with D are digital inputs
or outputs.
4. X = Don’t Care (not used)
5. Shaded blocks = Normal (No Loop-Back)
Operating Modes for the XRT4500
The XRT4500 Multi protocol Serial Interface device
can be configured to operate in a wide variety of
modes or “scenarios”. This document illustrates some
of these “scenarios” and provides the reader with the
following information associated with each of these
scenarios.
Which pins (on the “DCE Mode” XRT4500 and
“DTE Mode” XRT4500) are used to propagate vari-
ous data or clock signals.
Which signals are to be used when operating the
XRT4500 in the “differential” or “single-ended”
modes.
How does one configure the “DCE Mode” and “DTE
Mode” XRT4500 to operate in these scenarios.
N
OTES
:
1. The “l(fā)ine” signals are drawn with both a “solid” line
and a “dashed” line. Both lines are used to transmit
and receive “differential” mode signals. However,
the “solid” line identifies the signal that should be
used, when operating the Transmitter in the “Sin-
gle-Ended” mode.
2. Each scenario includes a table that indicates how
to configure the XRT4500 into each of these
modes, by specifying the appropriate logic states
for EC, 2CK/3CK, LP CKINV DTINV and EN_OSC.
3. In all, 48 scenarios have been defined for the
XRT4500 device. Currently this document only lists
a subset of these scenarios. Further versions of the
XRT4500 data sheet will include this information for
all 48 scenarios.
T
ABLE
9: MUX2 C
ONNECTION
T
ABLE
(RX4-RX7, TX4-TX7), O
UTPUT
V
ERSUS
I
NPUT
S
CENARIO
NUMBER
C
ONTROL
I
NPUT
/
P
IN
N
UMBER
S
IGNAL
S
OURCE
FOR
O
UTPUT
N
AME
/P
IN
N
UMBER
DCE/
DTE
LP
RX4D
TX4B-
TX4A
RX5D
TX5B-
TX5A
RX67D
TR6B-TR6A
TR7
31
18
40
10, 11
33
13, 12
32
30, 29
27
A
0
0
TX4D
RX4B-
RX4A
TX5D
TR6B-
TR6A
TX5D
X
TX76D
B
0
1
RX4B-
RX4A
TX4D
RX5B-
RX5A
TX5D
TR6B-
TR6A
X
TX76D
C
1
0
TX4D
RX4B-
RX4A
TX76D
RX5B-
RX5A
TR7
RX5B-RX5A
X
D
1
1
RX4B-
RX4A
TX4D
RX5B-
RX5A
TX5D
TR7
TX76D
X
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