參數(shù)資料
型號(hào)： XRT75L04D
廠商： Exar Corporation
英文描述： FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述： 四通道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER
文件頁(yè)數(shù)： 43/98頁(yè)
文件大小： 536K
代理商： XRT75L04D
á
REV. 1.0.1
XRT75L04D
FOUR CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
39
7.0
SERIAL HOST INTERFACE:
A serial microprocessor interface is included in the XRT75L04D. The interface is generic and is designed to
support the common microprocessors/microcontrollers. The XRT75L04D operates 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 the XRT75L04D is 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.
N
OTE
:
While configured in Host mode, the TxON_n input pins 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.
T
ABLE
14: F
UNCTIONS
OF
SHARED
PINS
P
IN
N
UMBER
I
N
H
OST
M
ODE
I
N
H
ARDWARE
M
ODE
86
CS
RxClkINV
88
SClk
TxClkINV
87
SDI
RxON
85
SDO
RxMON
84
INT
LOSMUT
T
ABLE
15: R
EGISTER
M
AP
AND
B
IT
N
AMES
A
DDRESS
(H
EX
)
P
ARAMETER
N
AME
D
ATA
B
ITS
7
6
5
4
3
2
1
0
0x00
APS/Redundancy
(read/write)
RxON-3
RxON-2
RxON-1
RxON_0
TxON_3
TxON_2
TxON_1
TxON_0
0x01-
0x1F
Channel 0 - 3 Control Registers
0x20
Interrupt Enable-
Global
(read/write)
Reserved
INTEN_3
INTEN_2
INTEN_1
INTEN_0
0x21
Interrupt Status
(read only)
Reserved
INTST_3
INTST_2
INTST_1
INTST_0
0x22-
0x2F
Reserved
Reserved
0x30 -
0x37
PRBS Count Registers
0x38
PRBS Holding Register
0x39 -
0x3D
Reserved
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75L04DES 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 4CH T3/E3/STS1 LIU+DESYNCH 3.3V 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
XRT75L04DIV 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4 CHNL E3/DS3/STS 1 JITTER ATTENUATOR 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
XRT75L04DIV-F 功能描述:外圍驅(qū)動(dòng)器與原件 - PCI 4-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
XRT75L04DIVTR 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 4 CHNL E3/DS3/STS 1 JITTER ATTENUATOR 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
XRT75L04DIVTR-F 功能描述:時(shí)鐘合成器/抖動(dòng)清除器 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
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