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US 2012/0260046 A1Published application
Programmable logic apparatus employing shared memory, vital processor and non-vital communications processor, and system including the same
AssigneeAnsaldo STS USA, Inc.
InventorsJOHN E. LEMONOVICH, William A. Sharp
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Abstract
A programmable logic apparatus includes a shared memory having a first port, a second port and a third port; a first vital processor interfaced to the first port of the shared memory; and a non-vital communications processor separated from the first vital processor in the programmable logic apparatus and interfaced to the second port of the shared memory. The third port of the shared memory is an external port structured to interface an external second vital processor.
Claims21
A programmable logic apparatus comprising:
- a shared memory comprising a first port, a second port and a third port;
- a first vital processor interfaced to the first port of said shared memory;
- and
- a non-vital communications processor separated from said first vital processor in said programmable logic apparatus and interfaced to the second port of said shared memory,
- wherein the third port of said shared memory is an external port structured to interface an external second vital processor.
2 more elements
A system comprising:
- a programmable logic apparatus comprising:
- a shared memory comprising a first port, a second port and a third port,
- a first vital processor interfaced to the first port of said shared memory, and
- a non-vital communications processor separated from said first vital processor in said programmable logic apparatus and interfaced to the second port of said shared memory;
- and
- a second vital processor external to said programmable logic apparatus,
- wherein the third port of said shared memory is an external port interfacing said second vital processor.
4 more elements
Dependencies are inferred from the claim text.