參數(shù)資料
型號: MT89L86AP
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(dǎo)體的CMOS總線⑩家庭多速率數(shù)字開關(guān)
文件頁數(shù): 14/40頁
文件大?。?/td> 173K
代理商: MT89L86AP
MT89L86
Advance Information
14
Table 6 - Use of STA Bits for Identical I/O Data Rate Operation
* - for Data Memory Read operations A0 is not required since two nibbles are provided per read access.
Table 7 - Use of STA Bits for Different I/O Data Rate Operation
Note:In rate conversion applications, Data Memory subsections have different sizes than Connection Memory subsections. This
implies that different address inputs are used to select individual positions within the subsections for each type of memory.
Identical
I/O
Rate
# of Input x
Output
Streams
STA bits used to
select subsections
of the Data
Memory
STA bits used to
select
subsections of the
Connection
Memory
Input Address pins used to
select individual
Connection and Data
Memory positions within the
selected subsection
2 Mb/s
8x8
STA2, STA1, STA0
STA2, STA1, STA0
A4, A3, A2, A1, A0
2 Mb/s
4x4
STA1, STA0
STA1, STA0
A4, A3, A2, A1, A0
2 Mb/s
16x8
STA3, STA2, STA1,
STA0
STA2, STA1, STA0
A4, A3, A2, A1, A0
4 Mb/s
4x4
STA1, STA0
STA1, STA0
A6, A4, A3, A2, A1, A0
4 Mb/s
8x4
STA2, STA1, STA0
STA1, STA0
A6, A4, A3, A2, A1, A0
8 Mb/s
2x2
STA0
STA0
A7, A6, A4, A3, A2, A1, A0
Nibble Switch
(2 Mb/s)
8x4
STA2, STA1, STA0
STA1, STA0
A6, A4, A3, A2, A1, A0 *
Different
I/O
Rate
Input x
Output
Streams
Config.
STA bits used
to select
Data
Memory
subsections
STA bits used
to select
Connection
Memory
subsections
Input Address pins used
to access individual
Data Memory
positions within the
selected subsection
Input Address pins used
to access individual
Connection Memory
positions within the
selected subsection
2 Mb/s to
4 Mb/s
8x4
STA2, STA1,
STA0
STA1, STA0
A4, A3, A2, A1, A0
A6, A4, A3, A2, A1, A0
2 Mb/s to
8 Mb/s
8x2
STA2, STA1,
STA0
STA0
A4, A3, A2, A1, A0
A7, A6, A4, A3, A2, A1,
A0
4 Mb/s to
2 Mb/s
4x8
STA1, STA0
STA2, STA1,
STA0
A6, A4, A3, A2, A1, A0
A4, A3, A2, A1, A0
8 Mb/s to
2 Mb/s
2x8
STA0
STA2, STA1,
STA0
A7, A6, A4, A3, A2, A1,
A0
A4, A3, A2, A1, A0
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