net2282 PLX, net2282 Datasheet
net2282
Manufacturer Part Number
net2282
Description
Pci To Usb 2.0 Hi-speed Peripheral Controller
Manufacturer
PLX
Datasheet
1.NET2282.pdf
(2 pages)
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Features
.
Overview
Conventional PCI Interface
Hi-Speed USB 2.0 Interface
o PCI v3.0 – 66MHz, 32-bit Bus
o
o
o
o Descriptor-based DMA Controllers
o Low Power 0.18u process ideal for
o Lead Free Packaging
o 14x14mm, 120-Pin QFP Package
o PCI v3.0 - 66MHz, 32-bit PCI Bus
o 3.3V interface with 5V tolerance for
o Plug into existing PCI based systems
o PCI Host Option for simple PCI
o Straightforward PC Card to
o Mastering PCI Interface
o Optional PCI Arbiter included
o USB 2.0 Peripheral Interface
o Hi-Speed USB with Sustained
o Backwards compatible to Full Speed
o Utilize up to 30 Independent USB
o USB Auto-Enumeration Technology
o Support for Bulk, Isochronous, and
o
Hi-Speed USB 2.0 Peripheral Port
Integrated 8051 CPU @ 30 MHz
32K of shared Random Access
Memory accessible from the USB
Host and the PCI Bus
(4) for automatic data transfers
USB Bus Powered Operation
compatibility with both 3.3 and 5V
PCI systems
to instantly add a High Speed USB
2.0 Device Port
Adapter to USB Peripheral
Conversions
ExpressCard
Bandwidth of up to 40MBytes/sec (at
480 Mbps bursts)
USB connections
Endpoints using Dynamic Virtual
Endpoint Technology
Interrupt Endpoints
Integrated PHY
Version 1.4 2005
TM
Conversions
TM
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.
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.
Tuned for Performance
The NET2282 is designed for high performance transfers, with its USB port able to
match the bandwidth of most PCI chips.
PCI to USB 2.0 Hi-Speed Peripheral Controller
Figure 1: NET2282 Block Diagram
NET2282
Four mastering,
descriptor
based DMA
controllers,
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
bus-powered
devices.
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net2282 Summary of contents
Page 1
... 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 PCI adapter, the NET2282 can fit into any standard PCI slot (3 Volts). This means that any system with a PCI bus can instantly add a USB 2 ...
Page 2
... Design Applications Add a USB Device Port to PCI-Based Systems The NET2282 can be used to easily add a USB 2.0 peripheral port to a PCI based embedded system. The standard PCI interface of the NET2282 connects gluelessly to any PCI bus. Standard PCI registers allow the existing BIOS to configure and send data to and from the NET2282 ...