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DIRECT MEMORY ACCESS UNIT AND COMMUNICATION SYSTEM, MOBILE RADIO AND DATA PROCESSING UNIT WITH THE DMA UNIT
DIRECT MEMORY ACCESS UNIT AND COMMUNICATION SYSTEM, MOBILE RADIO AND DATA PROCESSING UNIT WITH THE DMA UNIT
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机译:直接内存访问单元和通信系统,带有DMA单元的移动无线电和数据处理单元
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摘要
The communication system (1) consists of a microprocessor (2), a direct memory access, DMA, unit (3), multiple serial interfaces (4a) as well as a bus controller that are all connected to a bus. The bus has a data bus (61) and an address bus (62). One of the serial interfaces (4a) has a control line coupled to the microprocessor via the DMA unit which has a linear buffer (15) and a ring buffer (16). The microprocessor has an interrupt control unit (11) that has a number of interrupt vectors.
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