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FireBoard 800™ technical specifications


1394b PCI OHCI Host Adapter Board

FireBoard 800™ is the first 1394b to PCI OHCI compliant board, which has been designed to meet the demanding requirements of today’s 1394 bus designs. FireBoard 800™ is capable of exceptional 800Mbit/sec performance, providing the throughput and bandwidth to move data efficiently and quickly between the PCI and 1394 busses. This board also provides outstanding ultra-low power operation and intelligent power management capabilities, being compliant with all the latest 1394, OHCI and PCI specification/standards.

FEATURES

Physical Layer
  • Fully Supports Provisions of IEEE P1394b revision 1.33 at 1 Gigabit Signaling Rates
  • Fully Supports Provisions of IEEE 1394a-2000 and 1394-1995 Standard for High Performance Serial Bus
  • Provides Two (2) fully backward compatible, (1394a-2000 Fully-Compliant) Bilingual 1394b, 9 pin ports at up to 800 Megabits per second (Mbits/sec) and one (1) 1394a - 400 Mbps, 6 pin port.
  • Fully Compliant with OHCI Requirements
  • Cable Power Presence Monitoring
  • Cable Ports Monitor Line Conditions for Active Connection to Remote Node

Link Layer and PCI Interface

  • 3.3V and 5V PCI bus signaling
  • 33-MHz/64-Bit and 33-MHz/32-Bit selectable PCI interface
  • Power Management Interface Specification
  • Implements PCI burst transfers and deep FIFOs to tolerate large host latency:
    • Transmit FIFO-3K asynchronous
    • Transmit FIFO-2K isochronous
    • Receive FIFO-2K asynchronous
    • Receive FIFO-2K isochronous
  • Serial Data Rates: 400Mbits/sec and 800Mbits/sec
Configuration Serial EEPROM

Low Power Dissipation Circuitry

External Power Supply

Design Issues

Logic Design

The entire design of Unibrain’s FireBoard 800™ is based on the two main FireWire chip-sets of Texas Instruments:

  • TSB81BA3D IEEE-1394b three-port cable TRANSCEIVER/ARBITER PHY chip.
  • TSB82AA2 IEEE-1394b OHCI-Lynx Controller.

Moreover, special importance has been considered in the usage of:

  • Low Jitter External Crystal Oscillator at 98.304 MHz
  • Separate Bias (TPBIAS) for Each Port

PCB Design

The FireBoard 800™ card is a four-layer printed circuit PCI board. Two of the layers provide the signal interconnections (signal layers) while the remaining two layers provide the required power and ground interconnections (plane layers). Special consideration has been taken for the TPA, TPB signals routing in order to have the same length per port. Also, land patterns with ground have been used to isolate critical signals from the noisy environment.

Operating Voltage

12V DC - CAUTION: additional power supply voltage on the Firewire bus should be equal to 12V

Operating Free-air Temperature

0°C to 70 °C

Humidity

10% to 90% non condensing.

EMI, EMC testing

FireBoard 800™ has successfully passed the EN 55022 (Emissions Environment) and EN 55024 (Immunity Environment) EMI test procedures. Subsequently, this product is fully CE compliant and assigned with the CE mark. The board is also FCC compliant.

R : Required, T : Tested

R T Test Description Standard
X X Conducted emissions EN 55022
X X Radiated emissions EN 55022
X X Electrostatic discharges EN 61000-4-2
X X Radiated E.M. fields EN 61000-4-3
X X Fast transient burst (EFT) EN 61000-4-4
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