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NET2282-AB33PCF PDF预览

NET2282-AB33PCF

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 110K
描述
PCI to USB 2.0 Hi-Speed Peripheral Controller

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NET2282-AB33PCF 数据手册

 浏览型号NET2282-AB33PCF的Datasheet PDF文件第2页 
Version 1.4 2005  
NET2282  
Features  
PCI to USB 2.0 Hi-Speed Peripheral Controller  
ƒ Overview  
o PCI v3.0 – 66MHz, 32-bit Bus  
oHi-Speed USB 2.0 Peripheral Port  
oIntegrated 8051 CPU @ 30 MHz  
o32K of shared Random Access  
Memory accessible from the USB  
Host and the PCI Bus  
o Descriptor-based DMA Controllers  
(4) for automatic data transfers  
o Low Power 0.18u process ideal for  
USB Bus Powered Operation  
o Lead Free Packaging  
Simplified Hardware Design  
PLX Technology’s NET2282 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 NET2282 is one of the only  
PCI-based USB peripheral controllers available. With the NET2282, adding a Hi-  
Speed USB Device port is just a matter of connecting the PCI signals with the same  
name together.  
The PCI bus on the NET2282 can be either a PCI host or a PCI adapter. As a PCI  
adapter, the NET2282 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 NET2282 is supported by several operating systems, additional  
software modification can be minimized.  
o 14x14mm, 120-Pin QFP Package  
ƒ Conventional PCI Interface  
o PCI v3.0 - 66MHz, 32-bit PCI Bus  
o 3.3V interface with 5V tolerance for  
compatibility with both 3.3 and 5V  
PCI systems  
As a PCI host, the NET2282 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 NET2282 has all the resources, including emulated  
main memory, to configure and bring up a PCI device. Furthermore, the Auto-  
Enumeration Technology in the NET2282 allows the USB device to be enumerated  
by a USB host without any interaction on the PCI side.  
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  
Tuned for Performance  
The NET2282 is designed for high performance transfers, with its USB port able to  
match the bandwidth of most PCI chips.  
Four mastering,  
descriptor  
based DMA  
controllers,  
o Optional PCI Arbiter included  
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)  
along with the  
NET2282’s true  
FIFO structure,  
allow it to  
sustain transfers  
of up to 40  
MBytes/sec.  
Even at these  
speeds, and the  
full PCI bus  
running, the  
low power  
consumption of  
the NET2282  
allows for its  
use in USB  
o Backwards compatible to Full Speed  
USB connections  
o Utilize up to 30 Independent USB  
Endpoints using Dynamic Virtual  
Endpoint Technology TM  
o USB Auto-Enumeration Technology  
o Support for Bulk, Isochronous, and  
Interrupt Endpoints  
o Integrated PHY  
bus-powered  
devices.  
Figure 1: NET2282 Block Diagram  
12

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