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The VRM-DB1-X 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. Features:
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:
USB ports 1-3 wired to front bezel type A connectors
USB ports 4-5 wired to on-board type A connectors (option¹)
USB ports 1-5 optionally wired to P4 for rear I/O usage (option)
¹) connector USB5 exceeds the maximum allowable component height according to the PMC specification by ˜2mm-please ensure this is permissible on your particular PMC carrier board before ordering.
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: TBD. Storage Temperature: -20ºC…+85ºC
Environmental Conditions: Humidity: 5% to 95% non-condensing. Altitude: -300m to +3000m
Shock: 15g 0.33ms, 6g 6ms
Vibration: 1g 5-2000Hz
MTBF: tbd
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