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): 15/131頁(yè)
文件大小: 717K
代理商: XRT75R12D
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PRELIMINARY
XRT75R12D
TWELVE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. P1.0.1
10
GENERAL CONTROL PINS
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
P3
TEST
****
Factory Test Mode Input Pin
This pin must be connected to GND for normal operation.
N
OTE
:
This input pin is internally pulled "Low".
AE25
TRST
I
Test Reset
Test Boundary Scan
AB23
TMS
I
Test Mose Select
Test Boundary Scan
AB5
TCK
I
Test Clock
Test Boundary Scan
AB4
TDI
I
Test Data Input
Test Boundary Scan
AE2
TDO
O
Test Data Output
Test Boundary Scan
MICROPROCESSOR PARALLEL INTERFACE -
P
IN
#
S
IGNAL
N
AME
T
YPE
D
ESCRIPTION
J26
Pmode
I
This pin controls the Microprocessor Parallel Interface mode.
"High" sets a Synchronous clocked interface mode with a clock from the
Host.
"Low" sets an Asynchronous mode where a clock internal to the
XRT75R12D will time the operations.
High speed clock supplied by the Host to provide timing in the
Synchronous Interface mode. This signal must be a square-wave.
Chip select input (active low)
Initiates a read or write operation. When "High", no parallel
communication is active between the LIU and the Host.
Write input (active low)
Enables the Host to write data D[7:0] into the LIU register space at
address Addr[7:0].
Read input (active low)
Commands the LIU to transfer the contents of a register specified by
Addr[7:0] to the Host.
Ready line output (active low)
Provides a handshake between the LIU and the Host that communicates
when an operation has been completed.
P24
PCLK
I
N24
CS
I
N22
WR
I
N23
RD
I
N25
RDY
O
This pin must be pulled "High" with a 3k
± 1% resistor.
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