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Method and apparatus for achieving higher product yields by using fractional portions of imbedded memory arrays
Method and apparatus for achieving higher product yields by using fractional portions of imbedded memory arrays
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机译:通过使用嵌入式存储器阵列的分数部分来实现更高产品良率的方法和设备
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摘要
The invention provides a circuit and method for obtaining a fully functional microprocessor using only a fraction of the available on-chip cache. The memory sub-arrays of the on-chip cache are tested to determine which sub-arrays are functional. After determining which sub-arrays are functional, a set of sub-arrays is selected that constitute a binary fraction of the cache. The CPU is initialized to accommodate a smaller address space corresponding to the size of the selected sub-arrays. Finally, a group of signals are programmed to allow the CPU access to the selected sub-arrays.
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