Abstract
For decoding high-resolution image stored in external memory after lossless compression, it is inevitable necessary to allow variable-length data types and this may decreases the efficiency in real time read of arbitrary compressed macro block without burst-mode in memory. This paper proposes a cache architecture for a video decoder that has a burst mode capability for accessing lossless compressed frame data in the memory. In the proposed cache architecture, the write and read caches employ the concept of fixed-length burst groups, allowing efficient burst write and read operations. The experimental results show that the proposed cache architecture can decrease memory access times by an average of 70.92%
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