PCI6140 Datasheet, PDF (1/2 Pages) PLX Technology – PCI 6140 Key Features

Issue No. 14
PCI 6140 Key Features
♦ Lowest cost FastLane^TM Bridge
♦ 200mW Power Consumption
♦ Small Footprint PQFP-128
Package
♦ Lead Free Available
♦ Low Latency
Other Important Features
♦ 3.3V signaling, including 5V
input signal tolerance
♦ Hot swap friendly
♦ Zero wait state burst
♦ Optional Zero clock latency
when bursting data across PCI
6140 to preserve maximum data
rate
♦ PCI compatible cycle completion
without PCI Retry penalty of a
traditional PCI bridge Legacy
VGA and Audio IO address
support
♦ Provides arbitration support for 4
bus masters on secondary
interface
♦ Supports PCI Type 1 to Type 0
and Type 1 configuration
command conversion
♦ Supports 1-Clock Latency Mode
Application:
USB/Firewire/Ethernet PCI Combo Card
PLX Product:
PCI 6140 – 32-bit FastLane PCI Bridge
Key Benefit:
Add-in Card Refreshes Legacy PCs
Low Cost FastLane Bridge Simplifies Connectivity
Upgrade
How many legacy PCs become useless
simply because they lack up-to-date I/O
connectivity? Sometimes all it takes to
bring new life to an old PC is to add
USB 2.0, Firewire or Ethernet
connectivity. This is easily accomplished
with a PCI Combo Card. A single add-
in card can have several I/O devices; but
they all
can’t
connect directly to the system PCI bus,
so some kind of bridge is required. A
classic example is the USB
2.0/Firewire/Ethernet combo card shown
here. These low-end PCs and their add-
in cards are usually quite cost-sensitive,
and the standard PCI-to-PCI Bridge
from Intel adds too much to the BOM cost.
The Solution: Low-Cost Load Expansion with the
PCI 6140
On these PCI combo cards, there are normally two to four PCI devices
behind the bridge on the card. These PCI devices include USB, Firewire,
and Ethernet I/O chips as in this example; other combo cards include
RS 232, MIDI, SPDIF, TV Tuners, MPEG Decoders and Encoders,
Audio Processors, and other multimedia devices. The PCI Specification
allows each PCI slot only one device load. In order for multiple devices
to reside on the card, the PCI 6140 provides the lowest-cost isolated PCI
bus on its secondary. This bus can handle up to four PCI devices at
33MHz.
Page 1 of 2