PCIe Carrier Card

August 1, 2013

The APCe8675 carrier card from Acromag (Wixom, MI) allows a PC to communicate with an XMC mezzanine module over a PCI Express (PCIe) bus. Acromag’s FPGA modules, or other XMC modules, can be inserted on the carrier card. The carrier’s PCIe x8 interface supports up to eight serial lanes for rapid data transfer between the plug-in XMC module and the host computer.

Several rear I/O connectors enable high-speed serial interfaces between neighboring carrier boards using XAUI or Aurora protocols. The ports simplify board-to-board connections with twinax or internal SCSI-3 cables to left and right adjacent carrier cards.

One XMC socket interfaces up to eight serial I/O lanes to the carrier’s PCIe x8 edge connector. The other XMC socket routes to a pair of 4-lane serial ports, for board-to-board connections that support up to five high-speed (5Gb/s) transmit/receive differential or LVDS pairs. For additional board-to-board communication, a 64-pin PMC rear I/O socket routes 32 LVDS I/O to a SCSI port. An integrated fan provides a constant airflow across the XMC module.

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