參數(shù)資料
型號(hào)： MT90866AG2
廠商： ZARLINK SEMICONDUCTOR INC
元件分類： 路由/交換
英文描述： Flexible 4 K x 2.4 K Channel Digital Switch with H.110 Interface and 2.4 K x 2.4 K Local Switch
中文描述： TELECOM, DIGITAL TIME SWITCH, PBGA344
封裝： 27 X 27 MM, LEAD FREE, PLASTIC, MS-034, BGA-344
文件頁數(shù)： 27/86頁
文件大小： 701K
代理商： MT90866AG2
MT90866
Data Sheet
27
Zarlink Semiconductor Inc.
Figure 7 - Backplane Control (BCSTo) Timing when the STio data rate is 16 Mb/s
15.2 LCSTo Control Stream
The LCSTo control bits are partitioned into 128 time slots, Slots 0 to 127. Each slot has 32 bits. Dummy bits
represent logic levels which should be ignored by the users. The first control bit in Slot 0 is advanced by thirty-two
C32/64o 32.768 Mb/s clock cycles from the frame boundary. See Figure 8, "Local Control (LCSTo) Timing when
STo0-18 are operated at 8 Mb/s" on page 28 for the partition of the time slots and the frame alignment details.
When the STo0-18 streams are operated at 8 Mb/s, Slots 0 to 127 are used to represent the control bits for
Channels 0 to 127 of the 8 Mb/s streams. STo19-17 are driven low in this configuration. See Figure 8, "Local
Control (LCSTo) Timing when STo0-18 are operated at 8 Mb/s" on page 28 for the LCSTo control bit pattern.
When the STo0-18 streams are operated at 4 Mb/s, Slots 2N (where N = 0 to 63) have the control bit pattern but
Slots 2N+1 have dummy bits which should be ignored by the user. STo19-17 are driven low in this configuration.
See Figure 9, "Local Control (LCSTo) Timing when STo0-18 are operated at 4 Mb/s" on page 29 for the LCSTo
control bit pattern.
When the STo0-27 streams are operated at 2 Mb/s, Slots 4N (where N = 0 to 31) have the control bit pattern, but
Slots 4N+1, 4N+2 and 4N+3 have dummy bits. See Figure 10, "Local Control (LCSTo) Timing when all STo0-27 are
operated at 2 Mb/s" on page 30 for the LCSTo control bit pattern.
When the STo streams are programmed with various data rates as described in Table 6 on page 20, the available
control bit positions in every time slot is associated with the corresponding output stream channels which operate at
various data rates. Figure 11, "Example of Local Control (LCSTo) Timing when the Local Streams have Different
Data Rates" on page 31 gives an example when STo0-3, 4-7, 8-11, 12-15, 16-27 are programmed to operate at
8 Mb/s, 4 Mb/s, 8 Mb/s, 4 Mb/s and 2 Mb/s respectively.
BCSTo0
Thirty-six c32o cycles
c32o
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
S
C8_A_io,
CA_B_io
Frame
Boundary
Frame
Boundary
(16 Mb/s Mode)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT90866AL 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:WAN Access Switch
MT90868AG 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 32KX8K/8KX8K/1K X 1K 1.8V/3.3V 466BGA - Trays
MT90868AG2 制造商:Microsemi Corporation 功能描述:SWIT FABRIC 32KX8K/8KX8K/1K X 1K 1.8V/3.3V 466BGA - Trays
MT90869 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Flexible 16K Digital Switch (F16kDX)
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
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