Digilent FX12 Manual de usuario descargar pdf (Pagina 16)

Digilent

FX12 Reference Manual

www.digilentinc.com

Marvell Ethernet Transceiver

The FX12 board includes a Marvell 10/100/1G Ethernet Transceiver (the “PHY”). The Virtex-4

contains a hard-IP Ethernet MAC that can directly drive the Marvell PHY, or a soft-IP MAC can be

programmed into available gates in the Virtex-4 fabric.

Marvell maintains tight control of their data sheets. For further information on the Marvell PHY, please

contact NuHorizons for assistance with entering into a non-disclosure agreement with Marvell.

FX12 Marvel PHY Circuit Diagram

Expansion Connectors

The FX12 provides two primary expansion connectors: a Hirose 100-pin FX2 high-density board-to-

board or board-to-cable connector and a second connector that can accommodate FastDAACS A/D

and D/A demo boards from Linear Technology. The FX2 connector includes 17 matched pairs of I/O

signals from the FPGA (34 total signals), as well as the JTAG programming signals and three clock

signals (which can also be used as general I/O’s). Mating board or cable connectors can readily be

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