參數(shù)資料
型號： MT90869
廠商： Zarlink Semiconductor Inc.
英文描述： Flexible 16K Digital Switch (F16kDX)
中文描述： 靈活的16K的數(shù)字交換機(jī)（F16kDX）
文件頁數(shù)： 13/76頁
文件大?。?/td> 1316K
代理商： MT90869
Data Sheet
MT90869
13
Zarlink Semiconductor Inc.
2.2.1.2
Local Output Port
The bit rate for each output stream is selected by writing to a dedicated Local Output Bit Rate Register (LOBRR0-
31). Refer to Table 43, Local Output Bit Rate Register (LOBRRn) Bits.
Operation of stream data in the Connection Mode or the Message Mode is determined by the state of the LMM bit,
and the channel High-impedance state controlled by the LE bit of the Local Connection Memory. The data source
(i.e. from the Local or Backplane Data Memory) is determined by the LSRC bit of the Local Connection Memory.
Refer to Section 6.1, Local Connection Memory, and Section 12.3, Local Connection Memory Bit Definition.
2.2.2
Backplane Port Rate Selection
The Backplane streams may be operated in one of two modes, namely Non-32Mb/s Mode and 32Mb/s Mode. The
Local stream data-rates are not affected by the operating mode of the Backplane. The operating mode of the
Backplane is determined by setting the Control Register bit, MODE32. Setting the bit HIGH will invoke the 32Mb/s
Mode. Setting the bit LOW will invoke the Non-32Mb/s mode. The default bit value on device Reset is LOW. The
timing of the input and output clocks and frame pulses are shown in Figure 7, Backplane Port Timing Diagram for
2, 4, 8, 16 and 32Mb/s stream rates.
Non-32Mb/s Mode: Each of the 32 Backplane streams (BSTi0-31 and BSTo0-31) and Local streams (LSTi0-31 and
LSTo0-31) can be independently programmed for a data-rate of 2.048Mb/s, 4.096Mb/s, 8.192Mb/s or 16.384Mb/s.
32Mb/s Mode: 16 of the Backplane input streams (BSTi0-15) and 16 Backplane output (BSTo0-15) streams operate
at a fixed rate of 32.768Mb/s. In this mode, the upper 16 input (BSTi16-31) and 16 output (BSTi16-31) streams are
unused. All 32 Local streams can be independently programmed for a data-rate of 2.048Mb/s, 4.096Mb/s,
8.192Mb/s or 16.384Mb/s.
2.2.2.1
Backplane Input Port
The bit rate for each input stream is selected by writing to a dedicated Backplane Input Bit Rate Register (BOBRR0-
31). Refer to Table 45, Backplane Input Bit Rate Register (BIBRRn) Bits. If the 32Mb/s mode is selected by writing
to the Control Register bit (MODE32), the settings in BIBRRn are ignored.
2.2.2.2
Backplane Output Port
The bit rate for each output stream is selected by writing to a dedicated Backplane Output Bit Rate Register
(BOBRR0-31). Refer to Table 47, Backplane Output Bit Rate Register (BOBRRn) Bits. If the 32Mb/s mode is
selected by writing to the Control Register bit (MODE32), the settings in BOBRRn are ignored.
Operation of stream data in the Connection Mode or the Message Mode is determined by the state of the BMM bit,
and the channel High-impedance state controlled by the BE bit of the Backplane Connection Memory. The data
source (i.e. from the Local or Backplane Data Memory) is determined by the BSRC bit of the Backplane Connection
Memory. Refer to Section 6.2, Backplane Connection Memory and Section 12.4, Backplane Connection Memory
Bit Definition.
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PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT90869AG 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 16KX16K/8KX8K 1.8V/3.3V 272BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F16KDX 272PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F16KDX 272PBGA
MT90869AG2 制造商:Microsemi Corporation 功能描述:PB FREE 8K X 8K DIGITAL SWITCH 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 16KX16K/8KX8K 1.8V/3.3V 272BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F16KDX 272PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F16KDX 272PBGA
MT90870 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Flexible 12 k Digital Switch (F12kDX)
MT90870AG 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 12K X 12K/8K X 4K 1.8V/3.3V 272BGA - Trays
MT90870AG2 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 12K X 12K/8K X 4K 1.8V/3.3V 272BGA - Trays
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