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參數資料
| 型號： | MT89L86AN |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch |
| 中文描述： | 意法半導體的CMOS總線⑩家庭多速率數字開關 |
| 文件頁數： | 21/40頁 |
| 文件大?。?/td> | 173K |
| 代理商： | MT89L86AN |
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Advance Information
MT89L86
21
throughput
applications, the MT89L86 allows cost effective
implementations of Non-Blocking matrices ranging
up to 1024 channels. Figures 12 and 13 show the
block diagram of implementations with Non-Blocking
capacities of 512 and 1024-channel, respectively.
delay
is
guaranteed.
For
such
Interfacing the MT89L86 with 8051
The Intel 8051 is a very cost effective solution for
many applications that do not require a large CPU
interaction and processing overhead. However, in
applications where 8051 is connected to peripherals
operating on a synchronous 8 kHz time-base like the
MT89L86, some connectivity issues have to be
addressed. The MT89L86 may hold the CPU read/
write cycle due to internal contention between the
on-chip microprocessor port and the internal serial-
to-parallel and parallel-to-serial converters. Since the
8051 family of CPUs do not provide Data Ready type
of inputs, some external logic and software
intervention have to be provided between the
MT89L86 and the 8051 microcontroller to allow read/
write operations. The external logic described in
Figure 14 is a block diagram of a logical connection
between the MT89L86 and 8051. Its main function is
to store the 8051 data during a write and the
MT89L86 data during a read.
For a write, address is latched by the MT89L86’s
internal address latch on the falling edge of the ALE
input. Whenever a read or write operation is done to
the MT89L86, the address decoded signal (MTA) is
used to latch the state of RD, WR, and the ALE
signals, until the data acknowledge output signal is
provided by the MT89L86, releasing the latches for a
new read/write cycle. Latch U5 is used to hold the
8051 data for a write until the CPU is ready to accept
it (when DTA goes low). Latch U4 stores the
MT89L86 output data during a read cycle whenever
Figure 12 - 512-Channel Non-Blocking Switch Matrix with Serial Streams at 2.048 or 4.096 Mb/s
Figure 13 - 1024-Channel Non-Blocking Switch Matrix with Serial Streams at 2.048 Mb/s
IN
OUT
16 Streams
@2.048 Mb/s
8 Streams
@2.048 Mb/s
8
8 Streams
@2.048 Mb/s
16
8
MT89L86
MT89L86
512 x 256
512 x 256
IN
OUT
8 Streams
@4.096 Mb/s
4 Streams
@4.096 Mb/s
4 Streams
@4.096 Mb/s
8
4
4
MT89L86
MT89L86
512 x 256
512 x 256
IN
IN
16 Streams
@2.048 Mb/s
16 Streams
@2.048 Mb/s
MT89L86
512 x 256
MT89L86
512 x 256
MT89L86
512 x 256
MT89L86
512 x 256
MT89L86
512 x 256
MT89L86
512 x 256
MT89L86
512 x 256
MT89L86
512 x 256
8 Streams
@2.048 Mb/s
8 Streams
@2.048 Mb/s
8 Streams
@2.048 Mb/s
8 Streams
@2.048 Mb/s
OUT
OUT
16
16
8
8
8
8
相關PDF資料 |
PDF描述 |
|---|---|
| MT89L86AP | CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch |
| MT90210 | Multi-Rate Parallel Access Circuit(并行多路存取電路) |
| MT90210 | Multi-Rate Parallel Access Circuit |
| MT90210AL | Multi-Rate Parallel Access Circuit |
| MT90220 | Octal IMA/UNI PHY Device(八端口 IMA/UNI 物理層設備（八端口ATM IMA和UNI處理器）) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MT89L86AN1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 3.3V 4 - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 512X256 48SSOP 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 512X256 48SSOP |
| MT89L86ANR1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 3.3V 4 - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 512X256 48SSOP 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 512X256 48SSOP |
| MT89L86AP | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch |
| MT89L86AP1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 3.3V 4 - Rail/Tube 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 512X256 44PLCC |
| MT89L86APR1 | 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 3.3V 4 - Tape and Reel 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 512X256 44PLCC 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 512X256 44PLCC |
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