參數(shù)資料
型號(hào): PLX9656
英文描述: I/O Accelerator|PCI9656 Data Book Corrections
中文描述: I / O加速器| PCI9656數(shù)據(jù)手冊(cè)更正
文件頁(yè)數(shù): 2/28頁(yè)
文件大?。?/td> 162K
代理商: PLX9656
12/19/2002
- 2 -
9656-SIL-DC1-P0-.96
do not need to support CompactPCI Hot Swap. The second is an example for designs that do
need to support CompactPCI Hot Swap.
Note.
These circuit diagrams are provided as examples only. It is the designer’s
responsibility to create circuitry that meets the above stated IDDQEN# toggling
requirements for their particular design.
Figure 1. IDDQEN# Toggling Circuitry Example For Non-CompactPCI Hot Swap Designs
Figure 2. IDDQEN# Toggling Circuitry Example For CompactPCI Hot Swap Designs
2.
USERi Pull-Up/Pull-Down At Power Up Time
When using the PCI 9656, an external pull-up or pull-down resistor is required on the
USERi pin to configure the chip for the desired PCI bus behavior during chip initialization.
A pull-up resistor configures the chip to issue PCI Retries during initialization [high =
retry], and a pull-down resistor configures the chip to do nothing on the PCI bus during
initialization. This is true for both the PCI 9656AD and the PCI 9656BA. The description
in the Blue Book regarding this is incorrect for these chip revisions.
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