Products/ Host Cards / PCIe x1 / IEEE 1394a (FireWire 400)

FWX3-PCIE1XE120-3

Triple OHCI 3-port IEEE 1394a (FireWire) to PCI Express x1 Host Card

Highlights
  • Host Bus: 1-lane 2.5 or 5.0 Gb/s PCI Express
  • Triple OHCI 1.1 Compliant IEEE 1394a host controllers
  • Three external FireWire ports
    • Supports FireWire Plug w/Latch type Cable
Introduction

The FWX3-PCIE1XE120-3 is a Triple OHCI FireWire 400 (IEEE 1394a) to PCI Express Host Adapter.

FWX3-PCIE1XE120-3 is designed with two key components.

  • 4-Lane, 4-Port PCI Express Switch.
  • OHCI 1.1 Compliant IEEE 1394a Single Chip Host Controller.

MultipleVCs (Virtual Channels) on the PCI Express link provide native support for QoS (Quality of Service) transmission for real-time and multimedia applications in a standards-based framework, ensuring compatibility with current and future operating systems. Active-state power management allows dynamic power management during periods of reduced network activity.

Technical Specifications
PCI Express:
  • Standards compliant
    • PCI Express Base Specification, Revision 2.0 (PCI Express Base r2.0)
    • PCI Express Base Specification, Revision 2.0 Errata
    • Backward-compatible with the PCI Express Base Specification, Revision 1.1 (PCI Express Base r1.1) and PCI Express Base Specification, Revision 1.0a (PCI Express Base r1.0a)
    • PCI Bus Power Management Interface Specification, Revision 1.2 (PCI Power Mgmt. r1.2)
    • Microsoft Vista®-compliant
    • Supports Access Control Services
    • Dynamic Link-width control
    • Dynamic SerDes speed control Note: Additional specifications, with which this product complies, are listed in Supplemental Documentation.
  • High Performance
    • Non-Blocking Internal architecture
    • Full line rate on all Ports
    • Cut-Thru latency – 190 ns for Link widths of x4 to x1
    • Maximum Payload Size – 512 bytes
  • performancePAKTM
    • Read PacingTM (intelligent bandwidth allocation)
    • Dual CastTM
    • Dynamic Buffer Pool Architecture for faster credit updates
  • PCI Express Power Management
    • Conventional PCI-compatible Link Power Management states – L0, L0s, L1, L2/L3 Ready,and L3 (with Vaux not supported)
    • Conventional PCI-compatible Device Power Management states – D0 and D3hot
    • Active State Power Management (ASPM)
  • Quality of Service (QoS) support
    • Two Virtual Channels (VC0 and VC1) per Port
    • Eight Traffic Classes (TC[7:0]) per Port
    • Weighted Round-Robin (WRR) Port and Virtual Channel (VC) arbitration
OHCI (Open Host Controller Interface)
  • Pipelined processing enables descriptor fetch, data fetch, transmit, and descriptor status update to operate in parallel for asynchronous transmit (AT).
  • All descriptors for a block transfer fetched from system memory in one PCIe transfer.
  • OHCI 1.0 backwards-compatible:
  • Configurable via EEPROM to operate in either OHCI 1.0 or OHCI 1.1 mode.
  • Isochronous receive dual-buffer mode.
  • Enhanced isochronous transmit skip/overflow.
  • ack_data_error improvements for asynchronous and physical requests.
  • Enhanced configuration status register (CSR)implementation.
  • Autonomous configuration ROM update.
  • Enhanced power management support, including ack_tardy event.
  • Enhanced self-ID protocol, including selfIDComplete2 event.
  • Compatible with Microsoft Windows and MacOS operating systems.
  • 8 KB isochronous transmit FIFO.
  • 4 KB asychronous transmit FIFO.
  • 8 KB isochronous receive FIFO.
  • 8 KB asynchronous receive FIFO.
  • Dedicated asynchronous and isochronous descriptor-based direct memory access (DMA) engines.
  • Eight isochronous transmit contexts.
  • Eight isochronous receive contexts.
  • Prefetches isochronous transmit data.
  • Posted write transactions.
  • Parallel processing of incoming physical read and write requests.
  • Notification (via interrupt) of a failed register access.
  • Support for up to 48-bit addressing per OHCI specification for the physical DMA transfers.
  • Physical upper bound register.
  • Fairness control register.
  • Support for multiple outstanding requests at DMAs.
  • Segmenting of transfers into PCI Express-sized requests.
1394a-2000 Link
  • Support for calculation and checking of the cyclic redundancy check (CRC) on outgoing and incoming packets.
  • Support for decoding the destination ID of incoming 1394 packets to determine if an acknowledge is needed.
  • Cycle master and isochronous resource manager capability.
  • Support for 1394a-2000 acceleration features.
1394a-2000 PHY
  • Three IEEE 1394a-2000 compliant ports supporting IEEE 1394a-2000 speeds of 100 Mb/s, 200 Mb/s, and 400 Mb/s over 4.5 m copper.
  • Full support for IEEE 1394a-2000 and 1394-1995 standard provisions for high-performance serial bus.
  • Registers to indicate power class modes.
  • Extended BIAS_HANDSHAKE time for enhanced interoperability with camcorders.
  • While unpowered and connected to the bus, the device does not drive TPBIAS on a connected port even if receiving incoming bias voltage on that port.
  • No need for an external filter capacitor for PLL.
  • Link-on as a part of the internal PHY core-link interface.
  • Arbitrated short bus reset.
  • Ack-accelerated arbitration and fly-by concatenation.
  • Connection debounce.
  • Multispeed packet concatenation.
  • PHY pinging and remote PHY access packets.
  • Port disable/suspend/resume.
  • PHY-link interface initialization and reset.
  • Support for the 1394a-2000 register set.
  • Fully interoperable with Firewire® and i.LINK® implementation of IEEE 1394-1995.
  • Cable power fail interrupt reported when voltage at TPCPS pin falls below 7.5 V.
  • Separate cable bias and driver termination voltage supply for each port provided.
Number of Ports:
  • Three External FireWire 6pin ports
    • OHCI 3: One FireWire 6pin ports
    • OHCI 2: One FireWire 6pin port
    • OHCI 1: One FireWire 6pin port
Bus Power Connector:
  • Big IDE 4-pin DC Power Connector
Operating System Requirements
  • Windows 2000/XP/7/8/8.1 , Windows Server 2003 and Windows Vista
  • Mac OS 10.4.8 or later
  • Linux 2.6.X
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