參數(shù)資料
型號(hào)： TSB81BA3I
廠商： Texas Instruments, Inc.
英文描述： IEEE 1394b THREE-PORT CABLE TRANSCEIVER/ARBITER
中文描述： 的IEEE 1394b三端口電纜收發(fā)器/仲裁者
文件頁數(shù)： 42/57頁
文件大小： 810K
代理商： TSB81BA3I
SLLS559B DECEMBER 2002 REVISED OCTOBER 2003
42
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION (1394B INTERFACE)
The TSB81BA3 is designed to operate with a LLC such as the Texas Instruments TSB82AA2 when the BMODE
terminal is tied high. Details of operation for the Texas Instruments LLC devices are found in the respective LLC
data sheets. The following paragraphs describe the operation of the PHY-LLC interface. This interface is
formally specified in the IEEE P1394b standard.
The interface to the LLC consists of the PCLK, LCLK, CTL0CTL1, D0D7, LREQ, PINT, LPS, and LKON/DS2
terminals on the TSB81BA3, as shown in Figure 20.
LKON/DS2
LPS
PCLK
LREQ
D0–D7
CTL0–CTL1
Link-Layer
Controller
TSB81AB3
LCLK
PINT
Figure 20. PHY-LLC Interface
The LCLK terminal provides a clock signal to the PHY. The LLC derives this clock from the PCLK signal and
is phase-locked to the PCLK signal. All LLC to PHY transfers are synchronous to LCLK.
The PCLK terminal provides a 98.304-MHz interface system clock. All control, data, and PHY interrupt signals
are synchronized to the rising edge of PCLK.
The CTL0 and CTL1 terminals form a bidirectional control bus, which controls the flow of information and data
between the TSB81BA3 and LLC.
The D0D7 terminals form a bidirectional data bus, which transfers status information, control information, or
packet data between the devices. The TSB81BA3 supports S400B and S800 data transfers over the D0D7
data bus. In S400B and S800 operation all Dn terminals are used.
The LREQ terminal is controlled by the LLC to send serial service requests to the PHY in order to request access
to the serial-bus for packet transmission, read or write PHY registers, or control arbitration acceleration. All data
on LREQ is synchronous to LCLK
The LPS and LKON/DS2 terminals are used for power management of the PHY and LLC. The LPS terminal
indicates the power status of the LLC, and may be used to reset the PHY-LLC interface or to disable PCLK. The
LKON/DS2 terminal sends a wake-up notification to the LLC and indicates an interrupt to the LLC when either
LPS is inactive or the PHY register L bit is 0.
The PINT terminal is used by the PHY for the serial transfer of status, interrupt, and other information to the LLC.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TSB81BA3IPFP 功能描述:射頻收發(fā)器 s800 3-Port Cable Xcvr/Arbiter RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
TSB81BA3IPFPEP 功能描述:射頻收發(fā)器 Mil Enh 3-Port Cable Xcvr/Arbiter RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
TSB81BA3PFP 功能描述:射頻收發(fā)器 s800 3-Port Cable Xcvr/Arbiter RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
TSB81BA3PFPG4 功能描述:射頻收發(fā)器 s800 3-Port Cable Xcvr/Arbiter RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
TSB82AA2 制造商:TI 制造商全稱:Texas Instruments 功能描述:1394b OHCI-LYNX CONTROLLER
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