參數(shù)資料
型號(hào)： TTSI4K32T
廠商： Lineage Power
英文描述： 4096-Channel, 32-Highway Time-Slot Interchanger(4096通道、32路干線時(shí)隙交換機(jī))
中文描述： 4096通道，32道時(shí)隙交換器（4096通道，32路干線時(shí)隙交換機(jī)）
文件頁(yè)數(shù)： 16/64頁(yè)
文件大?。?/td> 1105K
代理商： TTSI4K32T
TTSI4K32T
4096-Channel, 32-Highway Time-Slot Interchanger
Data Sheet
June 2000
16
Lucent Technologies Inc.
Interchange Fabric
The time-slot interchanger core has a memory-based architecture. The received time slots are converted from
serial to parallel by the receive highways block and stored in an internal dual-ported memory called the data store,
see Figure 1, Block Diagram of the TTSI4K32T on page 6. These time slots are then read out of the data store in
the order specified by the connection store, converted from parallel to serial by the transmit highways section, and
sent out on the transmit highways.
All the time slots (bytes) coming into the device are stored in the data store. Each TDM highway can bring in up to
32 valid time slots at 2.048 Mbits/s, 64 time slots at 4.096 Mbits/s, or 128 time slots on an 8.192 Mbits/s highway,
during a 125
μ
s frame. With 32 Rx highways running at the maximum rate of 8.192 Mbits/s, the maximum capacity
of the switch will be utilized. The addresses used to retreive the data from the data store are stored in the connec-
tion store. If host substituted data is to be transmitted instead of data that was received on a TDM highway, then it
is stored in the connection store.
Any mode that is selected on a time-slot basis is typically made via the connection store. There are 8192
bytes in
the connection store, two for each time slot that can be selected for transmission. Each one of the 4096 possible
transmit time slots can be individually 3-stated. This is useful when multiple devices need to drive the same TDM
highway as a bus or backplane. For extra drive, 32 individual output enables (TXOE pins) are also provided to indi-
vidually control an external bus or backplane driver, one for each transmit highway. A low latency (send as soon as
possible) or frame integrity (keep tagged time slots from the same highway together in the same frame) can also
be selected on a time-slot basis. The user also has the option to send one of 13 predefined test patterns, a user-
defined byte, or one of three user-defined idle codes, on any time slot of any Tx highway.
Time slots received on any TDM highway can be easily broadcasted on any transmit highway using the connection
store. If, for example, the entire connection store is filled with all zeros, this then implies low-latency mode and that
the source for all transmitted data is Rx highway 0, time slot 0. Thus, the data received on RXD0 time slot 0 will end
up being broadcasted on all outgoing time slots.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TTSI4K32T3BAL 制造商:AGERE 制造商全稱:AGERE 功能描述:4096-Channel, 32-Highway Time-Slot Interchanger
TTSL-1 功能描述:電線鑒定 THERM. TRANS. SELFLAM LABEL RoHS:否 制造商:TE Connectivity / Q-Cees 產(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長(zhǎng)度:1 in
TTSL10VC3-5 功能描述:電線鑒定 ThermTrans, Self-Lam Label, Vinyl, .50" RoHS:否 制造商:TE Connectivity / Q-Cees 產(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長(zhǎng)度:1 in
TTSL126VC3-1 功能描述:電線鑒定 1.0" X 7.44" THERMAL RoHS:否 制造商:TE Connectivity / Q-Cees 產(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長(zhǎng)度:1 in
TTSL-13 功能描述:電線鑒定 ThermTrans, Self-Lam Label, Vinyl, 1.00" RoHS:否 制造商:TE Connectivity / Q-Cees 產(chǎn)品:Labels and Signs 類型: 材料:Vinyl 顏色:Blue 寬度:0.625 in 長(zhǎng)度:1 in
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