參數(shù)資料
型號(hào)： XRT73LC00AIV
廠商： Exar Corporation
文件頁(yè)數(shù)： 19/61頁(yè)
文件大?。?/td> 0K
描述： IC LIU STS1/DS3/E3 SGL 44TQFP
標(biāo)準(zhǔn)包裝： 160
類(lèi)型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 1/1
規(guī)程： DS3，E3，STS-1
電源電壓： 3.135 V ~ 3.465 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 44-LQFP
供應(yīng)商設(shè)備封裝： 44-TQFP（10x10）
包裝： 托盤(pán)
XRT73LC00A
23
E3/DS3/STS-1 LINE INTERFACE UNIT
REV. 1.0.2
The HOST Mode
To configure the XRT73LC00A to operate in the HOST Mode, connect the HOST/HW input pin (pin 18) to VDD.
When the XRT73LC00A is operating in the HOST Mode, the following is true:
1. The Microprocessor Serial Interface block is enabled. Many configuration selections are made by writing
the appropriate data into the on-chip Command Registers via the Microprocessor Serial Interface.
2. All of the following input pins are disabled:
n
Pin 1 - TXLEV
n
Pin 2 - TAOS
n
Pin 12 - REQDIS
n
Pin 14 - LLB
n
Pin 15 - RLB
n
Pin 16 - STS-1/DS3
n
Pin 17 - E3
n
Pin 35 - TXOFF
Tie each of these pins to GND if the XRT73LC00A IC is to be operated in the HOST Mode.
Please see Section 5.0 for a detailed description on operating the Microprocessor Serial Interface or the on-
chip Command Registers.
1.0
SELECTING THE DATA RATE
The XRT73LC00A can be configured to support the E3 (34.368 Mbps), DS3 (44.736 Mbps) or the SONET
STS-1 (51.84 Mbps) rates. Selection of the data rate is dependent on whether the XRT73LC00A is operating
in the Hardware or HOST Mode.
A. When operating in the Hardware Mode.
To configure the XRT73LC00A for the desired data rate, the E3 and the STS-1/DS3 pins must be set to the
appropriate logic states shown in Table 2.
B. When operating in the HOST Mode.
To configure the XRT73LC00A for the desired data rate, appropriate values need to be written into the STS-1/
DS3 and E3 bit-fields in Command Register CR4.
Table 3 relates the values of these two bit-fields with respect to the selected data rates.
TABLE 2: SELECTING THE DATA RATE FOR THE XRT73LC00A VIA THE E3 AND STS-1/DS3 INPUT PINS (HARDWARE
MODE)
DATA RATE
STATE OF E3 PIN
(PIN 17)
STATE OF STS-1/DS3 PIN
(PIN 16)
MODE OF B3ZS/HDB3 ENCODER/
DECODER BLOCKS
E3 (34.368 Mbps)
VDD
X (Don’t Care)
HDB3
DS3 (44.736 Mbps)
0
B3ZS
STS-1 (51.84 Mbps)
0
VDD
B3ZS
COMMAND REGISTER CR4 (ADDRESS = 0X04)
D4
D3
D2
D1
D0
X
STS-1/DS3
E3
LLB
RLB
X
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參數(shù)描述
XRT73LC00AIV-F 功能描述:外圍驅(qū)動(dòng)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(fēng)格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray
XRT73LC00AIVTR 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT73LC00AIVTR-F 功能描述:網(wǎng)絡(luò)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(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
XRT73LC00IV 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:E3/DS3/STS-1 LINE INTERFACE UNIT
XRT73LC03A 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
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