AMBA interface for Actel MIL-STD-1553B Cores

The GR1553 is a set of AMBA AHB/APB wrappers for the Actel AX/RTAX MIL-STD-1553B cores. Wrappers for the following Actel cores are provided: Core1553BBC, Core1553BRT and Core1553BRM. The wrappers are written VHDL and can be synthesized with Synplify. All three Actel 1553 cores are interfaced to AMBA in a similar way: the 1553 core is configured in shared-memory configuration, and all receive and transmit data is transferred to the AHB bus using autonomous DMA. No block RAMs are therefore needed in the wrapper. Most of the static configuration parameters in each 1553 core are selectable through VHDL generics in the wrapper. Dynamic configuration parameters and core-specific registers are accessible through the APB bus.

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