參數(shù)資料
型號： MT90871AV
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Flexible 8K Digital Switch (F8KDX)
中文描述： TELECOM, DIGITAL TIME SWITCH, PBGA196
封裝： 15 X 15 MM, 1 MM PITCH, LBGA-196
文件頁數(shù)： 20/65頁
文件大小： 639K
代理商： MT90871AV
MT90871
Data Sheet
20
Zarlink Semiconductor Inc.
Note 1: Clock Period count is referenced to Frame Boundary.
Note 2: The Channel Numbers presented relate to the data-rate selected for a specific stream.
Note 3-1 to 3-4: See Section 4.1.1 for examples of Channel Control Bit for streams of different data-rates.
Figure 13 - Local Port External High Impedance Control Bit Timing (ST-Bus mode)
4.2
Backplane High Impedance Control
The input pin
BORS
selects whether the Backplane output streams
BSTo0-15
are set to high impedance at the
output of the MT90871 itself, or are always driven (active HIGH or active LOW) and a high impedance state, if
required on a per-channel basis, is invoked through an external interface circuit controlled by the
BCSTo0-1
signals. Setting
BORS
to a LOW state will configure the output streams
BSTo0-15
to transmit bi-state channel
data with per-channel high-impedance determined by external circuits under the control of the
BCSTo0-1
2048
2
3
Ch 1
Ch 0
Ch 0
Ch 0
Frame
1
4
5
Ch1
Ch0
Ch0
Ch0
Boundary
2
6
7
Ch 1
Ch 0
Ch 0
Ch 0
3
8
9
Ch 1
Ch 0
Ch 0
Ch 0
etc.
etc.
etc.
etc.
etc.
etc.
etc.
Allocated
Stream No.
Allocated Channel No.
2
C16o
Period
1
LCSTo0
LCSTo1
16Mb/s
8Mb/s
4Mb/s
2Mb/s
Table 2- LCSTo Allocation of Channel Control Bits to the Output Streams (continued)
Chan 0 Bit 7
Chan 0 Bit 6
Chan 63 Bit 1
Chan 63 Bit 0
Chan 0
Bit 7
Chan 63
Bit 0
7
6
5
4
3
2
3
2
1
0
5
4
1
6
0
7
7
6
0
Chan 0
Bit 7
Chan 0
Bit 6
Chan 0
Bit 5
Chan 0
Bit 4
Chan 127
Bit 3
Chan 127
Bit 2
Chan 127
Bit 1
Chan 127
Bit 0
Chan 0
Bit 7
Chan 127
Bit 0
Channel 0 Bit 7
Channel 31 Bit 0
Chan 0
Bit 7
Chan 31
Bit 0
LCSTo0
LSTo0
(16Mb/s)
LSTo1
(8Mb/s)
LSTo6
(4Mb/s)
LSTo7
(2Mb/s)
C8o
FP8o
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
C
L
LCSTo1
One C16o period
Channel 0
Channel 255 bits 7-0
1
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參數(shù)描述
MT90871AV2 制造商:Microsemi Corporation 功能描述:PB FREE FLEXIBLE 8K DIGITAL SWITCH - Bulk 制造商:Microsemi Corporation 功能描述:IC, TDM SWITCH 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC DGTL SWITCH F8KDX 196PBGA 制造商:Microsemi Corporation 功能描述:IC DGTL SWITCH F8KDX 196PBGA
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MT90880B 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:TDM to Packet Processors
MT90880B/IG 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:TDM to Packet Processors
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