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NET2280EVB-SW PDF预览

NET2280EVB-SW

更新时间： 2024-11-11 03:46:39
品牌 Logo 应用领域
PLX 控制器PC
页数 文件大小 规格书
2页 230K
描述
PCI to USB 2.0 Hi-Speed Peripheral Controller

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NET2280EVB-SW 数据手册

 浏览型号NET2280EVB-SW的Datasheet PDF文件第2页 
Version 1.0 2005  
NET2280  
Features  
ƒ Overview  
o PCI v3.0 - 33 MHz, 32-Bit Bus  
oHi-Speed USB 2.0 Peripheral Port  
oIntegrated 8051 CPU @ 60 MHz  
o8K of Random Access Memory  
o Descriptor based DMA Controllers  
(4) for automatic data transfers  
o Low Power 0.25µ process ideal for  
USB Bus Powered Operation  
PCI to USB 2.0 Hi-Speed Peripheral Controller  
Adding Hi-Speed USB 2.0 to Embedded PCI Designs  
PLX Technology’s NET2280 PCI to Hi-Speed USB 2.0 Peripheral Controller is  
designed for easy integration with existing PCI based systems and silicon. While  
there are many PCI based USB Hosts on the market, the NET2280 is one of the only  
PCI based USB Peripheral Controllers available. With the NET2280, adding a Hi-  
Speed USB Device port is just a matter of connecting the PCI signals with the same  
name together.  
o Lead Free Packaging  
o 14x14mm, 120 Pin TQFP Package  
ƒ Conventional PCI Interface  
o PCI v3.0 - 33 MHz, 32 Bit PCI Bus  
o 3.3V interface with 5V tolerance for  
compatibility with both 3.3 and 5V  
PCI systems  
The PCI bus on the NET2280 can either be a PCI Host or a PCI Adapter. As a PCI  
Adapter, the NET2280 can fit into any standard PCI slot (3.3 or 5 Volts). This  
means that any system with a PCI bus can instantly add a USB 2.0 Peripheral Port in  
minutes. As the NET2280 is supported by several operating systems, additional  
software modification can be minimized.  
o Plug into existing PCI based systems  
to instantly add a High Speed USB  
2.0 Device Port  
o PCI Host Option for simple PCI  
Adapter to USB Peripheral  
Conversions  
o Straightforward PC Card to  
ExpressCardTM Conversions  
o Mastering PCI Interface  
As a PCI Host, the NET2280 can be used to convert existing PCI Cards or CardBus  
Adapters to stand alone USB Devices or ExpressCard Adapters. Rather than relying  
on a Host PC’s PCI Chipset, the NET2280 has a built-in CPU, to configure and bring  
up a PCI device. Furthermore, the Auto-Enumeration Technology in the NET2280  
allows the USB device to be enumerated by a USB Host without any interaction on  
the PCI side.  
Tuned for Performance  
o Optional PCI Arbiter included  
The NET2280 is designed for high performance transfers, with its USB port able to  
match the bandwidth of most PCI chips.  
ƒ Hi-Speed USB 2.0 Interface  
o USB 2.0 Peripheral Interface  
o Hi-Speed USB with Sustained  
Bandwidth of up to 40MBytes/sec (at  
480 Mbps bursts)  
Four mastering,  
descriptor based  
DMA controllers,  
along with the  
NET2280’s true  
FIFO structure,  
allow it to sustain  
transfers of up to 40  
Mbytes / sec.  
o Backwards compatible to Full Speed  
USB connections  
o USB Auto-Enumeration Technology  
o Support for Bulk, Isochronous, and  
Interrupt Endpoints  
o Integrated PHY  
Even at these  
speeds, and the full  
PCI bus running,  
the low power  
consumption of the  
NET2280 allows  
for its use in USB  
Bus-Powered  
devices.  
Figure 1: NET2280 Block Diagram  
12

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