Device for safety-critical applications and secure electronic architecture
First Claim
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1. A system having at least one computer device for applications critical with regard to safety, comprising:
- at least one processor unit;
a memory unit for storing process data;
a memory management unit for controlling memory accesses in the computer device;
an error detection unit for detecting errors in the memory unit;
at least one self-test unit assigned to the processor unit; and
connection means for connecting the at least processor unit to at least one of another processor unit and the memory management unit, the at least one processor unit being positioned together with the memory unit on a shared chip surface area.
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Abstract
A computer device for controlling applications critical with regard to safety is provided, which computer device has at least one processor unit and at least one self-test unit assigned to the processor unit, a memory unit for storing programs and process data, a memory management unit for controlling memory accesses in the computer device, an error detection unit for detecting errors in the memory unit, and connection means for connecting the processor units to one another and to the memory management unit. The processor units are positioned together with the memory unit on a shared chip surface area.
27 Citations
18 Claims
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1. A system having at least one computer device for applications critical with regard to safety, comprising:
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at least one processor unit;
a memory unit for storing process data;
a memory management unit for controlling memory accesses in the computer device;
an error detection unit for detecting errors in the memory unit;
at least one self-test unit assigned to the processor unit; and
connection means for connecting the at least processor unit to at least one of another processor unit and the memory management unit, the at least one processor unit being positioned together with the memory unit on a shared chip surface area. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for process-data processing in at least one computer device having at least one processor unit for applications critical with regard to safety, comprising:
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testing the at least one processor unit using at least one self-test unit assigned to the processor unit;
positioning the at least one processor unit together with a memory unit on a shared chip surface area;
connecting the at least one processor unit to at least one of another processor unit and a memory management unit using connection means in the at least one computer device;
controlling memory accesses in the at least one computer device using the memory management unit;
storing process data in the memory unit; and
detecting errors in the memory unit using an error detection unit. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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Specification