发明授权
US06427194B1 Electronic system and method for display using a decoder and arbiter to selectively allow access to a shared memory 有权
使用解码器和仲裁器进行显示的电子系统和方法,以选择性地允许访问共享存储器

Electronic system and method for display using a decoder and arbiter to selectively allow access to a shared memory
摘要:
An electronic system, an integrated circuit and a method for display are disclosed. The electronic system contains a first device, a memory and a video/audio compression/decompression device such as a decoder/encoder. The electronic system is configured to allow the first device and the video/audio compression/decompression device to share the memory. The electronic system may be included in a computer in which case the memory is a main memory. Memory access is accomplished by one or more memory interfaces, direct coupling of the memory to a bus, or direct coupling of the first device and decoder/encoder to a bus. An arbiter selectively provides access for the first device and/or the decoder/encoder to the memory. The arbiter may be monolithically integrated into a memory interface. The decoder may be a video decoder configured to comply with the MPEG-2 standard. The memory may store predicted images obtained from a preceding image.
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