參數(shù)資料
型號(hào)： PDI1394P22BD
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 3-port physical layer interface
中文描述： 3 CHANNEL(S), 400M bps, SERIAL COMM CONTROLLER, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-314-2, LQFP-64
文件頁(yè)數(shù)： 32/42頁(yè)
文件大?。?/td> 233K
代理商： PDI1394P22BD
Philips Semiconductors
Preliminary data
PDI1394P23
2-port/1-port 400 Mbps physical layer interface
2001 Sep 06
32
The sequence of events for a cancelled/null packet transmission is
as follows:
Transmit operation initiated. PHY asserts grant on the CTL lines
followed by idle to hand over control of the interface to the link.
Optional Idle cycle. The link may assert at most one idle cycle
preceding assertion of hold. This idle cycle is optional; the link is
not required to assert idle preceding Hold.
Optional Hold cycles. The link may assert Hold for up to 47 cycles
preceding assertion of idle. These hold cycle(s) are optional; the
link is not required to assert hold preceding Idle.
Null transmit termination. The null transmit operation is terminated
by the link asserting two cycles of idle on the CTL lines and then
releasing the interface and returning control to the PHY. Note that
the link may assert Idle for a total of 3 consecutive cycles if it
asserts the optional first idle cycle but does not assert hold. It is
recommended that the link assert 3 cycles of Idle to cancel a
packet transmission if no hold cycles are asserted. This ensures
that either the link or PHY controls the interface in all cycles.
After regaining control of the interface, the PHY shall assert at
least one cycle of Idle before any subsequent status transfer,
receive operation, or transmit operation.
SYSCLK
(a)
CTL0, CTL1
D0–D7
00
00
01
SV01763
Link Controls Ctl and D
PHY High-impedance Ctl and D Outputs
00
11
00
(b)
(c)
(d)
(e)
00
00
00
00
Figure 19.
Cancelled/Null Packet Transmission
18.5
The LLC controls the state of the PHY-LLC interface using the LPS
signal. The interface may be placed into a reset state, a disabled
state, or be made to initialize and then return to normal operation.
When the interface is not operational (whether reset, disabled, or in
the process of initialization) the PHY cancels any outstanding bus
request or register read request, and ignores any requests made via
the LREQ line. Additionally, any status information generated by the
PHY will not be queued and will not cause a status transfer upon
restoration of the interface to normal operation.
Interface reset and disable
The LPS signal may be either a level signal or a pulsed signal,
depending upon whether the PHY–LLC interface is a direct
connection or is made across an isolation barrier. When an isolation
barrier exists between the PHY and LLC (whether of the Philips
bus-holder type or Annex J type) the LPS signal must be pulsed. In
a direct connection, the LPS signal may be either a pulsed or a level
signal. Timing parameters for the LPS signal are given in Table 20.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PDI1394P23 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2-port/1-port 400 Mbps physical layer interface
PDI1394P23BD 功能描述:IC IEEE 1394 LINK CTRLR 64LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 應(yīng)用:PDA，便攜式音頻/視頻，智能電話 接口:I²C，2 線串口 電源電壓:1.65 V ~ 3.6 V 封裝/外殼:24-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) 安裝類型:表面貼裝 產(chǎn)品目錄頁(yè)面:1015 (CN2011-ZH PDF) 其它名稱:296-25223-2
PDI1394P23BD,118 功能描述:輸入/輸出控制器接口集成電路 1394 2-PORT PHY NO NEW DESIGNS RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
PDI1394P23BD,151 功能描述:輸入/輸出控制器接口集成電路 DO NOT USE ORDER -T PART RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
PDI1394P23BD,157 功能描述:輸入/輸出控制器接口集成電路 IEEE1394A 2 PORT PHY RoHS:否 制造商:Silicon Labs 產(chǎn)品: 輸入/輸出端數(shù)量: 工作電源電壓: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-64 封裝:Tray
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