Table 15: USB pin assignments
Name P1680
USB_VCC
(1
1
USB3- 2
USB3+ 3
GND 4
Name P1681
USB_VCC
(1
1
USB2- 2
USB2+ 3
GND 4
(1
the USB_VCC
pin has a 2 A fuse. For normal operation don’t exceed 100 mA
current. The fuse automatically recovers if the over-current condition is
removed.
PMC1 Connectors (P6201, P6202, and P6203)
The following table lists the pin assignments of the onboard PMC1 connector.
The PMC1 slot is 64 bit and 66 MHz capable and works with the internal
second PCI bus of the P64H2 PCI Bridge. If an installed PMC card operates at
33 MHz only the PCI bus speed is reduced to 33 MHz. With PCB version V1
the 64 bit PMC lot is PCI-X capable with 66/100/133 MHz. The PMC is
electrically and mechanically compliant to the specification IEEE 1386 and
1386.1 with enhancements of the Processor PMC Standard VITA 32-2003.
These enhancements provide pins for a second device; (IDSELB and
REQB/GNTB) but they do not support a monarch PMC card.
The PCI signaling voltage is fixed to 3.3 V. Nevertheless PMC cards with
3.3 V or 5 V supply voltage can be used on this PMC slot.
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