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| 型號： | 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)： | 35/57頁 |
| 文件大?。?/td> | 810K |
| 代理商： | TSB81BA3I |
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SLLS559B DECEMBER 2002 REVISED OCTOBER 2003
35
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION (1394a2000 INTERFACE)
receive (continued)
The sequence of events for a normal packet reception is as follows:
(a) Receive operation initiated. The PHY indicates a receive operation by asserting receive on the CTL lines.
Normally, the interface is idle when receive is asserted. However, the receive operation may interrupt a
status transfer operation that is in progress so that the CTL lines may change from status to receive without
an intervening idle.
(b) Data-on indication. The PHY may assert the data-on indication code on the D lines for one or more cycles
preceding the speed-code.
(c) Speed-code. The PHY indicates the speed of the received packet by asserting a speed-code on the D lines
for one cycle immediately preceding packet data. The link decodes the speed-code on the first receive cycle
for which the D lines are not the data-on code. If the speed-code is invalid or indicates a speed higher that
that which the link is capable of handling, then the link must ignore the subsequent data.
(d) Receive data. Following the data-on indication (if any) and the speed-code, the PHY asserts packet data
on the D lines with receive on the CTL lines for the remainder of the receive operation.
(e) Receive operation terminated. The PHY terminates the receive operation by asserting idle on the CTL lines.
The PHY asserts at least one idle cycle following a receive operation.
00
00
10
XX
(a)
(b)
(c)
FF (data-on)
D0–D7
CTL0, CTL1
SYSCLK
Figure 14. Null Packet Reception Timing
The sequence of events for a null packet reception is as follows:
(a) Receive operation initiated. The PHY indicates a receive operation by asserting receive on the CTL lines.
Normally, the interface is idle when receive is asserted. However, the receive operation may interrupt a
status transfer operation that is in progress so that the CTL lines may change from status to receive without
an intervening idle.
(b) Data-on indication. The PHY asserts the data-on indication code on the D lines for one or more cycles.
(c) Receive operation terminated. The PHY terminates the receive operation by asserting idle on the CTL lines.
The PHY asserts at least one idle cycle following a receive operation.
Table 20. Receive Speed Codes
D0D7
00XX XXXX
0100 XXXX
0101 0000
11YY YYYY
DATA RATE
S100
S200
S400
data-on indication
NOTE: X = Output as 0 by PHY, ignored by LLC.
Y = Output as 1 by PHY, ignored by LLC.
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相關代理商/技術參數(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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