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參數(shù)資料
| 型號： | HPC3130PBKLOW-PROFILEQUAD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | PCI HOT PLUG CONTROLLER |
| 中文描述： | 的PCI熱插拔控制器 |
| 文件頁數(shù)： | 21/40頁 |
| 文件大小： | 555K |
| 代理商： | HPC3130PBKLOW-PROFILEQUAD |
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HPC3130
PCI HOT PLUG CONTROLLER
SCPS029B – DECEMBER1998
21
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
IDLEREQ, IDLEGNT, FRAME, and IRDY pins are not connected in manual mode. In contrast, during automatic
connection, the HPC3130 requests the PCIBus to make sure it is idle before it sequences through the
connection sequence.
In manual mode, software has to perform each part of the connection sequence. Figure 9 is an example of the
manual connection sequence. There could be several other ways to implement this protocol.
PCI_CLK
PWRON/OFF
PWRGOOD
SLOTRST
CLKON
REQ64ON
SLOTREQ64
BUS_CTL
BUSON
Figure 9. Manual Connection Sequencing
disconnecting sequence
The HPC3130 provides two mechanisms to isolate a PCI slot from the PCI bus so an add–in card can be
removed. One of the mechanisms is called manual sequencing and is enabled by default. This mechanism
allows the software to control the entire disconnect sequence. This means it is the software’s responsibility to
remove a powered slot from the PCI bus without any impact to the system.
The second mechanism is called auto sequencing and can be enabled by programming either Auto-Sequence
1 or Auto-Sequence 2 in the general configuration register.Unlike the connection sequence, which has two
different auto-connection sequencing modes, the autodisconnect sequence has only one mode of operation.
The steps in the auto-disconnect sequence are as follows:
1.
Software may assert SLOTRST to the appropriate slot by writing a 0 to the SLOTRST_O bit in the hot-plug
control register. This is optional.
2.
Next the software must set the BUS_CTL bit in the hot-plug control register to a 1.
3.
Once the BUS_CTL bit is set to a 1, the HPC3130 asserts IDLEREQ.
4.
Once IDLEGNT is asserted and FRAME and IRDY are deasserted, the HPC3130 deasserts BUSON and
CLKON and asserts REQ64ON to isolate the slot from the PCI bus.
5.
The HPC3130 then drives PWRON/OFF low to power off the slot.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| HPC3130PBM | 功能描述:外圍驅(qū)動器與原件 - PCI HOT PLUG CONTROLLER RoHS:否 制造商:PLX Technology 工作電源電壓: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:FCBGA-1156 封裝:Tray |
| HPC3130PBMQUADFLAT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PCI HOT PLUG CONTROLLER |
| HPC3130PGE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:PCI Bus Interface/Controller |
| HPC3130PGELOW-PROFILEQUAD | 制造商:TI 制造商全稱:Texas Instruments 功能描述:PCI HOT PLUG CONTROLLER |
| HPC36003 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High-Performance microControllers |
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