參數(shù)資料
型號(hào): XRT75R12D
廠商: Exar Corporation
英文描述: TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
中文描述: 第十二章通道E3/DS3/STS-1線路接口單元與SONET DESYNCHRONIZER
文件頁(yè)數(shù): 16/131頁(yè)
文件大小: 717K
代理商: XRT75R12D
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XRT75R12D
REV. P1.0.1
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
PRELIMINARY
11
K25
M22
M23
M24
K26
L26
M26
N26
Addr0
Addr1
Addr2
Addr3
Addr4
Addr5
Addr6
Addr7
I
An eight bit direct address bus that specifies the source/destination
register for a Read or Write operation.
P22
R26
T26
U26
R25
R24
R23
R22
D0
D1
D2
D3
D4
D5
D6
D7
I/O
An eight bit bi-directional data bus that provides the data into the LIU for
a Write operation or the data out to the Host for a Read operation.
P26
INT
O
Interrupt active Output (active low)
Normally, this output pin will be pulled "High". However, if the user
enables interrupts within the LIU, and if those conditions occur, the
XRT75R12D will signal an interrupt from the Microprocessor by pulling
this output pin "Low". The Host Microprocessor must ascertain the
source of the interrupt and service it. Reading the source of the inter-
upt will clear the flag and the INT pin will go back high unless another
interrupt has gone active.
N
OTES
:
1.
This pin will remain "Low" until the Interrupt has been serviced.
2.
This pin must be pulled "High" with a 3k
± 1% resistor.
N2
RESET
I
RESET Input
Pulsing this input "Low" causes the XRT75R12D to reset the contents of
the on-chip Command Registers to their default values. As a conse-
quence, the XRT75R12D will then also be operating in its default condi-
tion.
For normal operation this input pin should be at a logic "High".
N
OTE
:
This input pin is internally pulled high.
MICROPROCESSOR PARALLEL INTERFACE -
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT75R12DIB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
XRT75R12 TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75R12IB TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00 E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
XRT75VL00IV E3/DS3/STS-1 LINE INTERFACE UNIT WITH JITTER ATTENUATOR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT75R12D_06 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75R12D_07 制造商:EXAR 制造商全稱:EXAR 功能描述:TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET
XRT75R12DES 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
XRT75R12DIB 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 12CH E3/DS3/STS W/JITTER R3 TECH 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
XRT75R12DIB-F 功能描述:網(wǎng)絡(luò)控制器與處理器 IC 12 Channel 3.3V-5V temp -45 to 85C 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