參數(shù)資料
型號(hào)： TSB14C01AM
廠商： Texas Instruments, Inc.
英文描述： 5-V IEEE 1394-1995 BACKPLANE TRANSCEIVER/ARBITER
中文描述： 5V的電機(jī)及電子學(xué)工程師聯(lián)合會(huì)1394-1995背板收發(fā)器/仲裁者
文件頁(yè)數(shù)： 27/31頁(yè)
文件大小： 424K
代理商： TSB14C01AM
TSB14C01A, TSB14C01AI, TSB14C01AM
5-V IEEE 1394-1995 BACKPLANE TRANSCEIVER/ARBITER
SGLS107A – FEBRUARY 1999 – REVISED NOVEMBER 1999
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
urgent arbitration (continued)
In the backplane environment, the natural priority is the concatenation of the 4-bit urgent priority level with the
physical_ID. These results are listed in the following list.
A node using the urgent priority always wins an arbitration contest over all nodes using the fair priority.
The node using the highest priority level wins the arbitration contest.
When more than one node uses the highest priority level, then the one with the highest physical_ID wins.
arbitration by the cycle_master
This arbitration class is used by the cycle_master when it needs to arbitrate for the transmission of a cycle_start
packet. It is similar to the urgent arbitration class, except that the priority field is defined to be all ones. Arbitration
begins once a subaction gap is detected, regardless of the state of the arbitration_enable signal or the
urgent_count.
isochronous arbitration
This arbitration class is used by nodes arbitrating to send isochronous packets. Arbitration begins once an
acknowledge gap is detected, regardless of the state of the arbitration_enable signal or the urgent_count.
Because an acknowledge gap is shorter than an arbitration reset gap and a subaction gap, nodes arbitrating
with this class win the bus before nodes waiting to send fair, urgent, or cycle_master packets. The priority field
is not used in this arbitration class.
immediate arbitration
This arbitration class is used by nodes sending an acknowledge to a received packet. Transmission of the
acknowledge (beginning with a DATA_PREFIX) occurs as soon as an acknowledge gap is detected. This
arbitration class is referred to as immediate because an arbitration sequence is not transmitted to obtain access
to the bus (i.e., the node does not actually arbitrate for the bus).
backplane phy reset
Upon a power_reset event (i.e., power up), registers and control and status registers (CSRs) associated with
the operation of the phy are initialized to their default values. State machines associated with phy operations
are initialized. The BUS_RESET signal is not transmitted on the bus by the phy.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSB14C01AMHV 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:5-V IEEE 1394-1995 BACKPLANE TRANSCEIVER/ARBITER
TSB14C01APM 功能描述:1394 接口集成電路 5V 50/100Mbps Backplane PLC RoHS:否 制造商:Texas Instruments 類(lèi)型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
TSB14C01APMG4 功能描述:1394 接口集成電路 5V 50/100Mbps Backplane PLC RoHS:否 制造商:Texas Instruments 類(lèi)型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
TSB14C01APMR 功能描述:1394 接口集成電路 50/100Mbps BACKPLANE Phy Layer Cntrlr RoHS:否 制造商:Texas Instruments 類(lèi)型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
TSB14C01APMRG4 功能描述:1394 接口集成電路 5V 1Port 50/100Mbps BP Phy Layer Cntrlr RoHS:否 制造商:Texas Instruments 類(lèi)型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray
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