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)： 51/64頁(yè)
文件大?。?/td> 1105K
代理商： TTSI4K32T
Data Sheet
June 2000
TTSI4K32T
4096-Channel, 32-Highway Time-Slot Interchanger
51
Lucent Technologies Inc.
Data Store Memory
Microprocessor access to the incoming highway data is provided by directly reading the data store memory. Each
one of the time slots is addressable by constructing the address in the following way
.
Microprocessor reads to this
address space will occur immediately. Microprocessor writes to this address space will not change the contents of
the data store. If user data is to be sent out on a particular time slot, the host data substitution mode in the connec-
tion store should be used.
Table 40. Address Scheme for Data Store Memory
To illustrate the addressing scheme, consider the following examples:
To read the data received in time slot 7 on RXD6, the following address is used to access the TSI data store mem-
ory location.
A[14—0] = 010_00110_0000111 = 0x2307
Note:
All TDM highway data which is stored in the TSI will have the following convention. The most significant bit
of a byte is first transmitted and first received, the least significant bit is last transmitted and last received.
This convention applies to the data read from the data store, the host data transmitted via the connection
store, and any other configuration register that stores highway data.
Connection Store Memory
The connection store memory is primarily used to set up the switching matrix and selects the transmit data source
for each one of the outgoing time slots. There are two connection store byte locations associated with each one of
the outgoing time slots. The address for each of the corresponding connection store memory locations is con-
structed in the following way.
Table 41. Address Scheme for Connection Store Memory
If any particular transmit highway is not programmed to use the total available bandwidth (8.192 Mbits/s), then the
connection store memory locations representing the unused time slots are not used. For example, assume high-
way 7 is set for a highway data rate of 4.096 Mbits/s. This translates to a total of 64 time slots being transmitted on
highway 7. In that case, addresses A[14—0] = 0x4700—0x477F must be set. Addresses A[14—0] = 0x4780—
0x47FF are irrelevant for a 4.096 Mbits/s highway and need not be set.
The connection store memory does not have a default state. Therefore, after powerup, the relevant locations in the
connection store must be programmed. However, the connection store contents are not affected by a software or
hardware reset of the TTSI4K32T.
Data Store
Memory Address
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
1
0
Receive Highway
Number (0—31)
Receive Time-Slot Address
(0—127)
Connection Store
Memory Address
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
1
0
Transmit Highway Number
(0—31)
Transmit Time-Slot Address
(0—127)
Byte 0, 1
Select
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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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