Interfaces and signal descriptions – Altera Arria V Avalon-MM User Manual
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Interfaces and Signal Descriptions
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2014.12.15
UG-01105_avmm
64- or 128-Bit Avalon-MM Interface to the Application Layer
This chapter describes the top-level signals of the Arria V Hard IP for PCI Express using the Avalon-MM
interface to the Application Layer. The Avalon-MM bridge translates PCI Express read, write and
completion TLPs into standard Avalon-MM read and write commands for the Avalon-MM RX Master
Port interface. For the Avalon-MM TX Slave Port interface, the bridge translates Avalon-MM reads and
writes into PCI Express TLPs. The Avalon-MM read and write commands are the same as those used by
master and slave interfaces to access memories and registers. Consequently, you do not need a detailed
understanding of the PCI Express TLPs to use this Avalon-MM variant.
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