參數(shù)資料
型號： TSB43AA82A1
廠商： Texas Instruments, Inc.
英文描述： 1394 integrated PHY and link layer controller(1394集成PHY和鏈路層控制器)
中文描述： 1394綜合物理層和鏈路層控制器（1394集成物理層和鏈路層控制器）
文件頁數(shù)： 92/146頁
文件大小： 597K
代理商： TSB43AA82A1
710
7.3.2.5 Status Block Transmission
After the completion of an ORB command transaction, the target may need to transmit a status block. The status block
is sent with the ATF.
7.3.2.6 Reconnection Process
A 1394 bus reset clears all FIFOs and agents. CAg(n)Vld in the ORB fetch control register (44h) for the command
agent is cleared also. Any request to the command block agent register is rejected and responded to with an error.
(The requests should not be made before reconnection.)
The initiator starts the reconnection process after a bus reset. Reconnection is the same process as LOGIN. The host
needs to check EUI-64 to confirm reconnection feasibility. Refer to the SBP-2 standard for details.
If confirmed, the host sets CAg(n)Vld and restarts receiving requests to the command block agent register.
7.3.2.7 Unsolicited Status Transmission Process
When the initiator can receive an unsolicited status, the target, if necessary, can transmit an unsolicited status. The
initiator notifies the target that an unsolicited status is receivable by transmitting a quadlet write request to
UNSOLICITED_STATUS_ENABLE on the command block agent register.
When the target receives a quadlet write request for UNSOLICITED_STATUS_ENABLE from the initiator, UnStEn(n)
in the agent status register (5Ch) is set. If necessary, the host transmits unsolicited status with the ATF. If the host
transmits this with a six bit tLabel that is defined as 111 + AgtNmb (2 bits) + X, where X is 0 or 1 (UnStIEn at 50h = 1),
UnStEn(n) is cleared at the completion of transmission. Clearing USTlEn in the agent control register (50h) before
transmitting unsolicited status with the defined tLabel will prevent UnSrEn(n) from being cleared. Figure 77 shows
a typical UNSOLICITED_STATUS_ENABLE.
Quadlet Write Request
COAF_Agent
No Packet in CRF
Notify That
UNSOLICITED_STATUS_ENABLE
Is Ready to Be Received.
Target
Initiator
UNSOLICITED_STATUS_ENABLE Register
UNSOLICITED_STATUS_ENABLE
Status_FIFO
Host and ATF
tLabel = 111xxx
Host Needs to Send
UNSOLICITED_STATUS_ENABLE
Figure 77. UNSOLICITED_STATUS_ENABLE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSB43AA82AI 制造商:TI 制造商全稱:Texas Instruments 功能描述:1394 Integrated PHY and Link-Layer Controller for SBP-2 Products and DPP Products
TSB43AA82AIPGE 功能描述:1394 接口集成電路 Hi Perf Integr Phy & Link Layer Chip RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
TSB43AA82AIPGEEP 功能描述:1394 接口集成電路 Mil Enh Int PHY and Link-Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
TSB43AA82APGE 功能描述:1394 接口集成電路 Hi Perf Integr Phy & Link Layer Chip RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
TSB43AA82APGEG4 功能描述:1394 接口集成電路 Hi Perf Integr Phy & Link Layer Chip RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
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