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| AD9245BCPZ-20资料 | |
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AD9245BCPZ-20 PDF Download |
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File Size : 116 KB
Manufacturer:AD Description:between host memory and the onboard frame buffer. It also allows the host to access the ISP2200 internal registers and communicate with the onboard RISC processor. The ISP2200 supports the minimum power management capabilities specified in revision 1.0 of the PCI Bus Power Management Interface Specification, which defines power states D0-D3, where D0 provides maximum power consumption and D3 provides minimal power consumption. The D3 power state is entered by either software (D3 hot) or by physically removing power (D3 cold). Hot and cold refer to the presence or absence of VCC, respectively. The ISP2200 supports power states D0, D3 hot, and D3 cold. The ISP2200 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. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：AD9245BCPZ-20 厂 家：AD 封 装： 批 号：08+ 数 量：5000 说 明：绝对原厂原封装正品 |
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运 费： 所在地：深圳 新旧程度： |
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| 联系人：陈小姐 |
| 电 话：0755-83605789 |
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| 公司地址： 广东深圳市福田区华强北（振华路）赛格高科德电子市场A1848室 |
