EKF - Short Profile
EKF - Short Profile


DB1-FALCON

PMC USB 2.0 Controller
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DB1-FALCON
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DB1-FALCON PMC Mezzanine Module

Five-Port USB 2.0 Controller


The DB1-FALCON is a 5-port USB2.0 host controller. The PMC mezzanine board complies with the Universal Serial Bus Specification Revision 2.0 and Open Host Controller Interface (OHCI) Specification for full-/low-speed signalling and the Intel Enhanced Host Controller Interface (EHCI) Specification for high-speed data transfers. All downstream facing ports can handle high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) transaction.


All USB power lines are protected against over-current and short circuit conditions. Three of five USB ports are accessible from the PMC front bezel.

As an option, another two USB connectors are situated on-board for system internal usage.

Also as an option, the DB1-FALCON can be configured for rear I/O across the P4 connector.


DB1-1-FALCON USB Controller

DB1-1-FALCON USB Host Adapter PMC Module


DB1-FALCON - Block Diagram

DB1-FALCON - Block Diagram
Feature Summary DB1-FALCON
Form Factor PMC Mezzanine Card 149.0 x 74.0mm Single Size CMC Envelope IEEE P1386.1
USB Root hub with 5 downstream facing ports, all ports over-current protected, data transfer rate up to 480Mbps, conforming to USB2.0, OHCI Rev. 1.0a, EHCI Rev. 1.0
USB Port Assignment Options
  • USB ports 1-3 wired to front bezel type A connectors
  • USB ports 4-5 wired to on-board type A connectors (option)
  • USB ports 1-5 optionally wired to P4 for rear I/O usage (option)
PCI Interface 32-bit, 33/66MHz, P1386 PMC connectors P11/P12
Typical Power Consumption
  • +3.3V +0.17V/-0.1V 0.4A max.
  • +5V ± 5% 0.1A max. (w/o external devices)
  • +Vio 3.3V/5V 0.1A max.
Thermal Conditions
  • Operating temperature: 0°C ... +70°C
  • Storage temperature: -20°C ... +85°C
Environmental Conditions
  • Humidity 5% ... 95% non condensing
  • Altitude -300m ... +3000m
  • Shock 15g 0.33ms, 6g 6ms
  • Vibration 1g 5-2000Hz
MTBF 0.333 * 106h
subject to technical changes

DB1-1-FALCON USB Controller

DB1-2-FALCON USB Host Adapter PMC Module

DB1-FALCON Assembly Drawing

DB1-FALCON - Assembly Drawing
Please note:
  • The optional on-board connectors USB4/USB5 are mounted on the bottom side of the PCB. Hence, before ordering the DB1-2-FALCON, you must ensure that there is enough space available to the neighboured slot right to the PMC carrier board in your system (~7mm height required in addition for the USB4/USB5 receptacles).
  • The DB1-FALCON module has a cutout beneath each connector USB4/USB5 in order to simplify system internal wiring.

Ordering Information
Alias Ordering No. Short Description
FALCON DB1-1-FALCON PMC USB2.0 host controller EHCI/OHCI, three front bezel USB connectors for external usage
FALCON DB1-2-FALCON PMC USB2.0 host controller EHCI/OHCI, three front bezel USB connectors for external usage, two on-board USB connectors for internal usage. Please note: Internal connectors are bottom mounted; please ensure that there is enough space available to the neighboured slot in your system before ordering (~7mm required in addition for the USB4/USB5 receptacles)
FALCON DB1-3-FALCON PMC USB2.0 host controller EHCI/OHCI, five rear I/O USB channels routed to P4, no front bezel USB connectors
EKF is an ISO-9001 certified company
EKF Elektronik GmbH • Philipp-Reis-Str. 4 • 59065 Hamm • Germany
Phone +49 (0)2381/6890-0 • Fax +49 (0)2381/6890-90 • E-Mail