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參數(shù)資料
| 型號(hào)： | T8110 |
| 英文描述： | Version History |
| 中文描述： | 版本歷史 |
| 文件頁(yè)數(shù)： | 1/222頁(yè) |
| 文件大?。?/td> | 2343K |
| 代理商： | T8110 |
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Advisory
September 2001
Ambassador
T8110
Version History
Introduction
The purpose of this advisory is to provide information on the different versions of the AmbassadorT8110.
T8110 Version 1
Models of the T8110 V1 had two device issues. The two device issues only affect the microprocessor interface
and packet switching capabilities. The T8110 V1 can function as a 4096 connection standard telephony switch
when using the PCI interface.
Issue 1:
Microprocessor interface: The RDY(DTACKn) signal can oscillate if the microprocessor device
driving the microprocessor interface does not relinquish its RDn (or WRn) signal within one
65 MHz clock cycle after the reassertion of RDY (Intel
mode) or deassertion of DTACKn
(Motorola
mode).
Workaround:
The processor or board-level component driving the microprocessor port must deassert RDn
or WRn immediately (within 15 ns) upon reassertion of RDY.
Issue 2:
Packet switch malfunction: The T8110 does not disable its upper byte lanes on the descriptor
table update, resulting in an over-write of descriptor table data. The descriptor table update
occurs as the last phase of a PCI Master PUSH & PULL cycle. This results in virtual channel
connection malfunctions. TDM switching is unaffected.
Workaround:
A systemic workaround for the user is to keep a shadow table for the UOR portion of the
descriptor table.
T8110 version 1 models can be identified by the markings on the device or by reading the version ID register. If
the last line of the device markings is a 7 digit number followed by no version number, then the device is a ver-
sion 1. Reading the version ID register 0x00128 will read back a value of 01h, indicating the device is version
1.
Samples of version 1 are no longer available (version 2 samples are now available).
T8110 Version 2
Models of the T8110 V2 have one device issue. The device issue only affects the packet switching capabilities.
The T8110 V2 can function as a 4096 connection standard telephony switch when using either PCI or micro-
processor interface.
Issue 1 (from version 1): Fixed. The microprocessor interface issue has been resolved.
Issue 2 (from version 1): Will be fixed in version 3.
T8110 version 2 models can be identified by the markings on the device or by reading the version ID register. If
the last line of the device markings is a 7 digit number followed by V2, then the device is a version 2. Reading
the version ID register 0x00128 will read back a value of 02h, indicating the device is a version 2.
Samples of version 2 are currently available.
For additional information, contact your local FAE (field application engineer), or call 1-800-372-2447.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| T8301 | T8301 Internet Protocol Telephone Phone-On-A-Chip⑩ IP Solution DSP |
| T8302 | T8302 Internet Protocol Telephone Advanced RISC Machine (ARM) Ethernet QoS Using IEEE 802.1q |
| T8502 | T8502 and T8503 Dual PCM Codecs with Filters |
| T8503 | T8502 and T8503 Dual PCM Codecs with Filters |
| T8531A | T8531A/8532 Multichannel Programmable Codec Chip Set |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T811004 | 制造商:E-SWITCH 制造商全稱:E-SWITCH 功能描述:E-SWITCH 800SP9B5M2QE |
| T-8110---BAL-DB | 制造商:LSI Corporation 功能描述:Switch Fabric 4K x 4K 3.3V 272-Pin BGA |
| T8110L | 制造商:AGERE 制造商全稱:AGERE 功能描述:Ambassador㈢ T8110L H.100/H.110 Switch |
| T-8110L | 制造商:AGERE 制造商全稱:AGERE 功能描述:Ambassador㈢ T8110L H.100/H.110 Switch |
| T81110 | 制造商:Allied Controls Incorporated 功能描述:Conn Relay Socket SKT 8 POS Solder Lug ST Panel Mount |
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