參數(shù)資料
型號(hào)： XRT75L02IVTR-F
廠商： Exar Corporation
文件頁(yè)數(shù)： 31/50頁(yè)
文件大?。?/td> 0K
描述： IC LIU E3/DS3/STS-1 2CH 100TQFP
標(biāo)準(zhǔn)包裝： 1,000
類(lèi)型： 線路接口裝置（LIU）
驅(qū)動(dòng)器/接收器數(shù)： 2/2
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： 100-LQFP
供應(yīng)商設(shè)備封裝： 100-TQFP（14x14）
包裝： 帶卷 (TR)
XRT75L02
xr
TWO CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER
REV. 1.0.3
35
7.0
SERIAL HOST INTERFACE:
A serial microprocessor interface is included in the XRT75L02. The interface is generic and is designed to
support the common microprocessors/microcontrollers. The XRT75L02 is configured in Host mode when the
HOST/HW pin is tied “High”. The serial interface includes a serial clock (SClk), serial data input (SDI), serial
data output (SDO), chip select (CS) and interrupt output (INT). The serial interface timing is shown in Figure
11.
The active low interrupt output signal (INT pin) indicates alarm conditions like LOS, DMO and FL to the
processor.
When configured in Host mode, the following input pins,TxLEV_n, TAOS_n, RLB_n, LLB_n, E3_n, STS-1/
DS3_n, REQEN_n, JATx/Rx, JA0 and JA1 are disabled and must be connected to ground.
The Table 14 below illustrates the functions of the shared pins in either Host mode or in Hardware mode.
NOTE: While configured in Host mode, the TxON input pin will be active if the TxON_n bits in the control register are set to
“1”, and can be used to turn on and off the transmit output drivers. This permits a system designed for redundancy
to quickly switch out a defective line card and switch-in the backup line card.
TABLE 14: FUNCTIONS OF SHARED PINS
PIN NUMBER
IN HOST MODE
IN HARDWARE MODE
29
CS
RxClkINV
30
SClk
TxClkINV
31
SDI
RxON
27
SDO
RxMON
28
INT
LOSMUT
TABLE 15: REGISTER MAP AND BIT NAMES
ADDRESS
(HEX)
PARAMETER
NAME
DATA BITS
7
6
5
4
3
2
1
0
0x00
APS/Redundancy
(read/write)
Reserved
RxON-1
RxON_0
Reserved
TxON-1
TxON_0
0x20
Interrupt Enable-
Global
(read/write)
Reserved
INTEN_1
INTEN_0
0x21
Interrupt Status
(read only)
Reserved
INTST_1
INTST_0
0x22-
0x3D
Reserved
0x3E
Chip_id
(read only)
Device part number (7:0)
0x3F
Chip_version
(read only)
Chip revision number (7:0)
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參數(shù)描述
XRT75L03 制造商:EXAR 制造商全稱:EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75L03D 制造商:EXAR 制造商全稱:EXAR 功能描述:THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75L03DES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 3 CH T3/E3/STS1 LIU+DESYNCH3.3V RoHS:否 制造商:Skyworks Solutions, Inc. 輸出端數(shù)量: 輸出電平: 最大輸出頻率: 輸入電平: 最大輸入頻率:6.1 GHz 電源電壓-最大:3.3 V 電源電壓-最小:2.7 V 封裝 / 箱體:TSSOP-28 封裝:Reel
XRT75L03DIV 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3CHNNEL E3/DS3/STS 1 SONET DE-SYNCH 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
XRT75L03DIV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 3-Ch DS3, E3, STS-1 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
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