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    • 9. 发明授权
    • Data processor
    • 数据处理器
    • US06125438A
    • 2000-09-26
    • US63009
    • 1998-04-21
    • Tadashi OkamotoHiroshi KadotaYoshiteru Mino
    • Tadashi OkamotoHiroshi KadotaYoshiteru Mino
    • G06F15/78G06F15/00
    • G06F15/7857G06F15/7864
    • A data processor of the invention includes plural memories, plural arithmetic units, a data transfer unit and a network. The data transfer unit transfers various data to predetermined memories, and switches the connections between the memories and the arithmetic units by using the network. The control unit adds a processability judgement signal to a data read from a predetermined memory in reading the data, so as to make a pair of the data and the processability judgement signal. Each of the arithmetic units receives the data and the processability judgement signal, conducts predetermined processing on the received data, delays the received processability judgement signal by the number of cycles equal to its own processing cycle, and outputs resultant data obtained through the processing and the delayed processability judgement signal. Accordingly, in storing ultimate resultant data in a predetermined storage unit, the storage unit stores the ultimate resultant data as effective data on the basis of the processability judgement signal added to the resultant data. The data processor attains wide application and can be applied to various types of multimedia applications by switching the connections between the memories and the arithmetic units by using the network.
    • 本发明的数据处理器包括多个存储器,多个运算单元,数据传送单元和网络。 数据传送单元将各种数据传送到预定存储器,并且通过使用网络来切换存储器和算术单元之间的连接。 控制单元在读取数据时,对从预定存储器读取的数据添加可处理性判断信号,以便形成一对数据和加工性判定信号。 每个算术单元接收数据和可处理性判断信号,对接收到的数据进行预定的处理,将接收到的加工性判断信号延迟等于其自身的处理周期的周期数,并输出通过处理获得的结果数据和 延迟加工性判断信号。 因此,在将最终结果数据存储在预定存储单元中时,存储单元基于加到结果数据的加工性判断信号将最终结果数据存储为有效数据。 数据处理器具有广泛的应用,可以通过使用网络切换存储器和算术单元之间的连接来应用于各种类型的多媒体应用。
    • 10. 发明授权
    • Central processing unit including APX and DSP cores which receives and
processes APX and DSP instructions
    • 中央处理单元包括接收和处理APX和DSP指令的APX和DSP内核
    • US6032247A
    • 2000-02-29
    • US969865
    • 1997-11-14
    • Saf AsgharAndrew Mills
    • Saf AsgharAndrew Mills
    • G06F9/30G06F9/318G06F9/38G06F15/78G06F15/00
    • G06F9/3836G06F15/7857G06F9/30174G06F9/30189G06F9/382G06F9/3822G06F9/384G06F9/3855G06F9/3857G06F9/3885
    • A CPU or microprocessor which includes a general purpose CPU component, such as an X86 core, and also includes a DSP core. In a first embodiment, the CPU receives general purpose instructions, such as X86 instructions, wherein certain X86 instruction sequences implement DSP functions. The CPU includes a processor mode register which is written with one or more processor mode bits to indicate whether an instruction sequence implements a DSP function. The CPU also includes an intelligent DSP function decoder or preprocessor which examines the processor mode bits and determines if a DSP function is being executed. If a DSP function is being implemented by an instruction sequence, the DSP function decoder converts or maps the opcodes to a DSP macro instruction that is provided to the DSP core. The DSP core executes one or more DSP instructions to implement the desired DSP function in response to the macro instruction. If the processor mode bits indicate that X86 instructions in the instruction memory do not implement a DSP-type function, the opcodes are provided to the X86 core as which occurs in current prior art computer systems. In a second embodiment, the CPU receives sequences of instructions comprising X86 instructions and DSP instructions. The processor mode register is written with one or more processor mode bits to indicate whether an instruction sequence comprises X86 or DSP instructions, and the instructions are routed to the X86 core or to the DSP core accordingly.
    • 包括通用CPU组件(例如X86内核)的CPU或微处理器,还包括DSP内核。 在第一实施例中,CPU接收诸如X86指令的通用指令,其中某些X86指令序列实现DSP功能。 CPU包括处理器模式寄存器,其被写入一个或多个处理器模式位以指示指令序列是否实现DSP功能。 CPU还包括智能DSP功能解码器或预处理器,它检查处理器模式位,并确定DSP功能是否正在执行。 如果通过指令序列实现DSP功能,则DSP功能解码器将操作码转换或映射到提供给DSP内核的DSP宏指令。 DSP内核执行一个或多个DSP指令以响应于宏指令来实现所需的DSP功能。 如果处理器模式位指示指令存储器中的X86指令不实现DSP类型功能,则将操作码提供给当前现有技术计算机系统中发生的X86内核。 在第二实施例中,CPU接收包括X86指令和DSP指令的指令序列。 处理器模式寄存器用一个或多个处理器模式位写入,以指示指令序列是否包括X86或DSP指令,并将指令相应地路由到X86内核或DSP内核。