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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)絡接口芯片 |
| 文件頁數(shù)： | 14/99頁 |
| 文件大?。?/td> | 1384K |
| 代理商： | XRT4500 |
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XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.7
11
PIN DESCRIPTIONS (CONT.)
PIN
#
Signal
DTE
MODE
DCE
MODE
TYPE
FUNCTION
29
TR6A
DCDA
DCDA
I/O
Transceiver # 6 Line Signal I/O Pin:
The exact function of this pin depends upon whether the
XRT4500 has been configured to operate in the DCE or DTE
Mode.
DTE Mode: Negative Polarity Input of DCD (Data Carrier
Detect) Signal:
This input pin (along with TR6B, pin 30) accepts the line signal,
from the remote terminal equipment, in either a Single-Ended or
Differential manner. This line signal is converted to CMOS level
signals and is outputted (to the local terminal equipment) via the
RX67D output pin (Pin 32).
DCE Mode: Negative Polarity Output Signal (of DCD-Data
Carrier Detect) to the Line:
Transceiver 6 accepts TTL level binary data stream, via the
“TX67D” (pin 28) input pin. This output pin, along with “TR6B”
(pin 30) will output this data to the Remote Terminal Equipment).
via an Analog Line Signal.
30
TR6B
DCDB
DCDB
I/O
Transceiver #6 Line Signal I/O Pin
The exact function of this pin, depends upon whether the
XRT4500 has been configured to operate in the DCE or DTE
Mode.
DTE Mode: Receiver 6 – Positive Polarity Input of DCD (Data
Carrier Detect) Signal:
This input pin (along with TR6A, pin 29) accepts the line signal,
from the remote terminal equipment, in a Differential manner.
This line is converted to CMOS signal levels and is output (to the
local terminal equipment) via the RX67D output pin (Pin 32).
DCE Mode: Transmitter 6 – Positive Polarity Output of DCD
(Data Carrier Data Signal) Pin:
Transceiver 6 accepts a TTL level binary data stream, via the
TX67D (pin 28) input pin. This output pin (along with TR6A, pin
29) will output this data (to the remote terminal equipment) via
an Analog line signal.
N
OTE
:
This I/O pin is not used if the XRT4500 has been config-
ured to operate in the V28/EIA-232 Communications Interface
Mode.
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相關(guān)代理商/技術(shù)參數(shù) |
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| XRT4500CV | 制造商:EXAR 制造商全稱:EXAR 功能描述:MULTIPROTOCOL SERIAL NETWORK INTERFACE IC |
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