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XC4028XLA-08HQ240I

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File Size : 116 KB Manufacturer:XILINX Description:either software (D3 hot) or by physically removing power (D3 cold). Hot and cold refer to the presence or absence of VCC, respectively. The ISP2200A supports power states D0, D3 hot, and D3 cold. The ISP2200A onboard DMA controller consists of three independent DMA channels that initiate transactions on the PCI bus and transfer data between the host memory and frame buffer. The command DMA channel is used mainly by the RISC processor for small transfers, such as fetching commands from and writing status information to the host memory over the PCI bus. The two data DMA channels, one for transmit and one for receive, transfer data between the FC-AL and the PCI bus, allowing for fast context switching. The PBIU internally arbitrates between the two data DMA channels and the command DMA channel and alternately services them. Each DMA channel has a set of DMA registers that are programmed for transfers by the RISC processor.

	1PCS	100PCS	1K	10K
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型号：XC4028XLA-08HQ240I 厂家：XILINX 封装：112 批号：05+ 数量：QFP 说明：


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