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參數(shù)資料
| 型號： | XRT73LC00A |
| 廠商： | Exar Corporation |
| 英文描述： | E3/DS3/STS-1 LINE INTERFACE UNIT |
| 中文描述： | E3/DS3/STS-1線路接口單元 |
| 文件頁數(shù)： | 8/53頁 |
| 文件大小： | 376K |
| 代理商： | XRT73LC00A |
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XRT73LC00A
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. P1.0.0
xr
PRELIMINARY
5
15
RLB
I
Remote Loop-Back Select:
This input pin along with LLB dictates which Loop-Back mode the XRT73LC00A
is operating in.
A “High” on this pin with LLB being set to “Low” configures the XRT73LC00A to
operate in the Remote Loop-Back Mode.
A “High” on this pin with LLB also being set to “High” configures the
XRT73LC00A to operate in the Digital Local Loop-Back Mode.
N
OTES
:
1. This input pin is ignored if the XRT73LC00A is operating in the HOST
Mode.
2. Tie this pin to GND if the XRT73LC00A is going to be operating in the
HOST Mode.
16
STS-1/DS3
I
STS-1/DS3 Select Input:
A “High” on this pin configures the Clock Recovery Phase Locked Loop to set its
VCO Center frequency to around 51.84 MHz for SONET STS-1 operations. A
“Low” on this pin configures the Clock Recovery Phase Locked Loop to set its
VCO Center frequency to around 44.736 MHz for DS3 operations.
N
OTES
:
1. The XRT73LC00A ignores this pin if the E3 pin (pin 17) is set to “1”.
2. This input pin is ignored if the XRT73LC00A is operating in the HOST
Mode.
3. Tie this pin to GND if the XRT73LC00A is going to be operating in the
HOST Mode.
17
E3
I
E3 Select Input:
A “High” on this pin configures the XRT73LC00A to operate in the E3 Mode.
A “Low” on this pin configures the XRT73LC00A to check the state of the STS-1/
DS3 input pin.
N
OTES
:
1. This input pin is ignored if the XRT73LC00A is operating in the HOST
Mode.
2. Tie this pin to GND if the XRT73LC00A is going to be operating in the
HOST Mode.
18
HOST/HW
I
HOST/HW Mode Select:
This input pin is used to enable or disable the Microprocessor Serial Interface
(e.g., consisting of the SDI, SDO, SCLK, CS and REGRESET pins).
Setting this input pin “High” enables the Microprocessor Serial Interface (e.g.
configures the XRT73LC00A to operate in the HOST Mode). In this mode, the
XRT73LC00A is configured by writing data into the on-chip Command Registers
via the Microprocessor Serial Interface. When the XRT73LC00A is operating in
the HOST Mode, it ignores the states of many of the discrete input pins.
Setting this input pin “Low” disables the Microprocessor Serial Interface (e.g.,
configures the XRT73LC00A to operate in the Hardware Mode). In this mode,
many of the external input control pins are functional.
PIN DESCRIPTION
P
IN
#
S
YMBOL
T
YPE
D
ESCRIPTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| XRT73LC00AIV | E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73LC03A | 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT |
| XRT73LC03AIV | 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT |
| XRT73LC04A | 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT |
| XRT73LC04AIV | 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| XRT73LC00A_08 | 制造商:EXAR 制造商全稱:EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT |
| XRT73LC00AES | 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
| XRT73LC00AIV | 功能描述:外圍驅(qū)動器與原件 - PCI RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT73LC00AIV-F | 功能描述:外圍驅(qū)動器與原件 - PCI 1-Ch DS3, E3, SONET RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| XRT73LC00AIVTR | 功能描述:網(wǎng)絡控制器與處理器 IC RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray |
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