參數(shù)資料
型號(hào)： MT8986
廠商： Mitel Networks Corporation
英文描述： Multiple Rate Digital Switch(多速率數(shù)字開(kāi)關(guān))
中文描述： 多速率數(shù)字交換機(jī)（多速率數(shù)字開(kāi)關(guān)）
文件頁(yè)數(shù)： 13/42頁(yè)
文件大?。?/td> 249K
代理商： MT8986
MT8986
2-75
Control Register - Read/Write
Figure 3 - Control Register Description
BIT
NAME
DESCRIPTION
7
SM
Split Memory.
When 1, all subsequent reads are from the Data Memory and writes are to
the Connection Memory Low, except when the Control Register is accessed again. When
0, the Memory Select bits specify the memory for subsequent operations. In either case,
the Stream Address Bits select the subsection of the memory which is made available.
6
ME
Message Enable.
When 1, the contents of the Connection Memory Low are output on the
Serial Output streams except when in High Impedance as set by the ODE input. When 0,
the Connection Memory bits for each channel determine what is output.
5
STA3
Stream Address Bit 3.
This bit is used in the 44 pin packages when 16 x 8 switching
configuration is selected. It is used with STA2-0 to select one of the 16 input data streams
whenever the Data Memory is to be read. The programming of this bit has no effect in
other switching configurations.
4-3
MS1-0
Memory Select Bits.
The memory select bits operate as follows:
0-0 - Not to be used
0-1 - Data Memory (read only from the CPU)
1-0 - Connection Memory Low
1-1 - Connection Memory High
2-0
STA2-0
The number expressed in binary notation on these bits refers to the input or output ST-
BUS stream which corresponds to the subsection of memory made accessible for
subsequent operations.
The use of these bits depends on the switching configuration as well as the device’s main
operation defined by the DMO bit of the Interface Mode Selection register. Tables 6 and 7
show the utilization of these bits according to the device’s main operation.
SM
ME
STA3
MS1
MS0
STA2
STA1
STA0
7
6
5
4
3
2
1
0
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT8986AC 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:CMOS ST-BUS⑩ FAMILY Multiple Rate Digital Switch
MT8986AE 制造商:Microsemi Corporation 功能描述:
MT8986AE1 制造商:Microsemi Corporation 功能描述:PB FREE MULTIPLE RATE DIGITAL SWITCH 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 5V 40P - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TDM/TSI SWITCH 512X256 40PDIP 制造商:Microsemi Corporation 功能描述:IC TDM/TSI SWITCH 512X256 40PDIP
MT8986AL 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 5V 44M - Trays 制造商:Zarlink Semiconductor Inc 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 5V 44M - Trays
MT8986AL1 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 5V 44M - Trays 制造商:Zarlink Semiconductor Inc 功能描述:SWIT FABRIC 256 X 256/512 X 256/128 X 128 131.072MBPS 5V 44M - Trays
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