Usb - SMART Embedded Computing MVME3100 Installation And Use Manual

USB

PMC slot 2 supports:
Feature
Mezzanine Type
Mezzanine Size
PMC Connectors
Signaling Voltage
You cannot use 3.3V and 5V PMCs together; the voltage keying pin on slots 1 and 2 must
be identical. When in 5V mode, the bus runs at 33MHz.
In addition, the PMC connectors are located such that a double-width PMC may be installed
in place of the two single-width PMCs.
In this case, the MVME3100 supports:
Feature
Mezzanine Type
Mezzanine Size
PMC Connectors
Signaling Voltage
On PMC site 1, the user I/O – J14 signals will only support the low-current, high-speed
signals and are not to be used for any current bearing power supply usage. The maximum
current rating of each pin/signal is 100mA.
4.10.6 USB
The USB 2.0 host controller provides USB ports with integrated transceivers for
connectivity with any USB-compliant device or hub. USB channel 1 is routed to a single
USB connector located at the front panel. DC power to the front panel USB port is supplied
via a USB power switch, which provides soft-start, current limiting, over-current detection,
and power enable for port 1. Refer to the μPD720101 USB 2.0 Host Controller Data Sheet
listed in Appendix B, Related
74
Description
PMC = PCI Mezzanine Card
S1B = Single width and standard depth
(75mm x 150mm) with front panel
J21, J22, and J23 (32/64-bit PCI with front I/O)
VIO = +3.3V (+5V tolerant) or +5V, selected by keying pin
Description
PMC = PCI Mezzanine Card
Double width and standard depth
(150mm x 150mm) with front panel
J11, J12, J13, J14, J21, J22, and J23
(32/64-bit PCI with front and rear I/O) on J14 only
VIO = +3.3V (+5V tolerant) or +5V, selected by keying pin
Documentation, for additional details.
MVME3100 Single Board Computer Installation and Use (6806800M28H)
Functional Description