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參數(shù)資料
| 型號(hào)： | TSB41AB3IPFPEP |
| 廠商： | Texas Instruments |
| 文件頁(yè)數(shù)： | 39/55頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC 3PRT CABLE TXRX/ARBIT 80HTQFP |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 類型： | 收發(fā)器 |
| 驅(qū)動(dòng)器/接收器數(shù)： | 6/6 |
| 規(guī)程： | IEEE 1394 |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-TQFP 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 80-HTQFP（12x12） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁(yè)面： | 882 (CN2011-ZH PDF) |
| 其它名稱： | 296-22528 V62/03612-01XE |
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TSB41AB3EP
IEEE 1394a2000 THREEPORT CABLE TRANSCEIVER/ARBITER
SGLS122C JULY 2002 REVISED JUNE 2008
44
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
interface reset and disable (continued)
The sequence of events for resetting the PHY-LLC interface when it is in the differentiated mode of operation
(ISO terminal is low) is as follows:1
a.
Normal operation. Interface is operating normally, with LPS active, SYSCLK active, status and packet
data reception and transmission via the CTL and D lines, and request activity via the LREQ line.
b.
LPS deasserted. The LLC deasserts the LPS signal and, within 1
s, terminates any request or interface
bus activity, and places its LREQ, CTL, and D outputs into a high-impedance state (the LLC should
terminate any output signal activity such that signals end in a logic 0 state).
c.
Interface reset. After TLPS_RESET time, the PHY determines that LPS is inactive, terminates any
interface bus activity, and places its CTL and D outputs into a high-impedance state (the PHY
terminates any output signal activity such that signals end in a logic 0 state). The PHY-LLC interface
is now in the reset state.
d.
Interface restored. After the minimum TRESTORE time, the LLC may again assert LPS active. (The
minimum TRESTORE interval provides sufficient time for the biasing networks used in Annex J type
isolation barrier circuits to stabilize and reach a quiescent state if the isolation barrier has somehow
become unbalanced.) When LPS is asserted, the interface initializes as described below.
SYSCLK
ISO
(high)
(a)
(c)
(b)
CTL0, CTL1
D0 D7
LREQ
LPS
(d)
TLPS_RESET
TRESTORE
Figure 24. Interface Reset, ISO High
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