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參數(shù)資料
| 型號(hào)： | MT90221AL |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | Quad IMA/UNI PHY Device |
| 中文描述： | 四IMA的/單向物理層設(shè)備 |
| 文件頁(yè)數(shù)： | 1/114頁(yè) |
| 文件大?。?/td> | 304K |
| 代理商： | MT90221AL |
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1
Features
Cost effective, single chip, 4-port ATM IMA and
UNI processor
Up to 4 IMA groups over 4 T1/E1 links can be
implemented
Supports MIXED mode; links not assigned to an
IMA group can be used in UNI mode
Versatile PCM Interface to most popular T1 or
E1 framers, reducing development time
Supports Symmetrical and Asymmetrical
Operation
Supports both Common Transmit Clock (CTC)
and Independent Transmit Clock (ITC) clocking
modes
Supports T1 ISDN lines
Provides UTOPIA Level 2 MPHY Interface
(MT90221 device slaved to ATM device)
Complies with ITU G.804 recommendations for
performing cell mapping into T1 and E1
transmission systems
Provides ATM framing using cell delineation
according to the ITU I.432 cell delineation
process
Provides Header Error Control (HEC)
verification and generation, error detection,
Filler cell filtering (IMA mode) and Idle/
Unassigned cell filtering (UNI mode)
Provides statistics to support MIB
Connects to popular asychronous SRAM
Provides statistics on the number of HEC errors
8 bit Microprocessor Interface, compatible with
Intel and Motorola
3.3V operation / 5V tolerant inputs
MQFP-208 pin
JTAG Test support
Ordering Information
MT90221AL
208 Pin MQFP
-40
°
C to +85
°
C
DS5065
ISSUE 4
December 1999
MT90221
Quad IMA/UNI PHY Device
Figure 1 - MT90221 Block Diagram with Built-in IMA functions for 4 IMA Groups over up to 4 links
RX External Static RAM
Utopia
Level 2
BUS
Utopia
I/F CTRL
Processor I/F
4 Internal
IMA
Processors
Cell
Delineator
4 x CD Circuit
Transmission
Convergence
4 x TC Circuit
P/S
P/S
T1/E1
Framers
2.048 or
1.544 Mb/s
4 Serial PCM Ports
T1/E1
Framers
T1/E1
Framers
Utopia FiFo
4
.
1
4
.
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT90222 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:4/8/16 Port IMA/TC PHY Device |
| MT90222AG | 制造商:Microsemi Corporation 功能描述:ATM IMA 40MBPS 2.5V 384BGA - Trays |
| MT90222AG2 | 制造商:Microsemi Corporation 功能描述:ATM IMA 40MBPS 2.5V 384BGA /BAKE/DRYPACK - Trays |
| MT90223AG | 制造商:Microsemi Corporation 功能描述:ATM IMA 80MBPS 2.5V 384BGA - Trays |
| MT90223AG2 | 制造商:Microsemi Corporation 功能描述:ATM IMA 80MBPS 2.5V 384BGA - Trays |
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