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Searching: cpu processor





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Patent # Description
US-5,673,398 Data transfer control method, and peripheral circuit, data processor and data processing system for the method
A memory 1 performs its internal operation in response to access requests (200, 201 and 202) of a CPU 2 in synchronism with the oscillated output of a...
US-5,669,003 Method of monitoring system bus traffic by a CPU operating with reduced power
A method for maintaining cache coherency while minimizing the power consumption. The method includes operating a first processor in a reduced power mode. While...
US-5,666,516 Protected programmable memory cartridge having selective access circuitry
A computer system for high-performance video and audio manipulations comprising a locked memory cartridge and an audio/video/compact disk (CD) drive...
US-5,664,095 Dynamic scaling of CPU cycle consumption in a computer system
A method for dynamically scaling consumption of processor cycles by a task executing in a computer system, wherein a performance task determines an error measure...
US-5,663,804 Image processor having recording paper cutting control
Transportation of a document (P1), transportation of a recording sheet (P2), activation of a cutter system and simultaneous transportation of the document (P1)...
US-5,657,248 Image display apparatus
An image display apparatus having a computer system and an image processor. The computer system includes: a personal computer having a CPU and a main memory; and...
US-5,655,142 High performance derived local bus and computer system employing the same
An integrated processor is provided that includes a CPU core, a local bus coupled to the CPU core, and a variety of peripheral such as a memory controller, a...
US-5,655,080 Distributed hash group-by cooperative processing
A method is provided for parallel and cooperative processing of data in a system wherein a coordinator process cooperates with one or more agent processes to...
US-5,652,858 Method for prefetching pointer-type data structure and information processing apparatus therefor
In order to allow prefetching of pointer-type data structure, an instruction word of load instruction has pointer hints indicating that the data being loaded by...
US-5,649,304 Method and apparatus for communicating auxiliary information in a measurement signal
A method and apparatus for fast response and distortion measurement of a signal transfer device. A computer processor generates a multitone test signal of...
US-5,649,173 Hardware architecture for image generation and manipulation
An image generation and manipulation system includes an integrated circuit dedicated exclusively to direct manipulation of pixel values in a frame buffer. This...
US-5,649,159 Data processor with a multi-level protection mechanism, multi-level protection circuit, and method therefor
A data processor (30) includes a multi-level protection circuit (50) which enables the generation of external control signals. The multi-level protection circuit...
US-5,649,090 Fault tolerant multiprocessor computer system
A fault tolerant computer system includes at least two central processing units each having a cache memory and a parity error detector adapted to sense parity...
US-5,642,499 Method and apparatus for controlling timing of execution of saving and restoring operations in a processor system
In a coprocessor system having a central processing unit (CPU), a floating-point processing unit (FPU) and a memory (RAM), coupled with each other through buses,...
US-5,642,482 System for network transmission using a communication co-processor comprising a microprocessor to implement...
A system for transmitting data (NCC) between a computer bus (PSB) and a network (RE), including (1) a general purpose unit (GPU) connected to the bus and to a...
US-5,640,584 Virtual processor method and apparatus for enhancing parallelism and availability in computer systems
A virtual processor method and apparatus for parallel computer systems that increases the level of parallelism to include multiple threads per node. If a...
US-5,640,573 Power management message bus for integrated processor
An integrated processor is provided that includes a CPU core coupled to a variety of on-chip peripheral devices such as a DMA controller, an interrupt...
US-5,640,503 Method and apparatus for verifying a target instruction before execution of the target instruction using a test...
A Test Operation-Code (TSTOP) instruction pre-verifies the validity of a target instruction op-code prior to execution of the target instruction. The...
US-5,638,507 Duplex computer system
Herein disclosed is a duplex computer system to be used in process automations or factory automations. The system is constructed of two computer (or processor)...
US-5,638,306 Testing hooks for testing an integrated data processing system
The present invention is directed to various features of an integrated data processing system that includes a general purpose (GP) CPU core for processing data...
US-5,636,367 N+0.5 wait state programmable DRAM controller
CPU system performance is improved by reducing the time required to complete a DRAM access by microprocessors such as the 386DX, 386SX and 80286 by incorporating...
US-5,634,099 Direct memory access unit for transferring data between processor memories in multiprocessing systems
There is provided a Direct Access Memory Unit (DAu) that is associated with a remote processor module in a multi-processing system. The DAU performs Direct...
US-5,634,033 Disk array storage system architecture for parity operations simultaneous with other data operations
A high performance scaleable hardware architecture for a disk array storage subsystem which supports RAID modes 0, 3, 4 and 5. The architecture features a high...
US-5,631,974 Image processing
Apparatus for image processing which consists of a display (1) and controller (2), a CPU (3) connected to accept user instructions from a mouse (4), an image...
US-5,630,153 Integrated digital signal processor/general purpose CPU with shared internal memory
An integrated data processing platform for processing a digital signal that includes a general purpose processor and a digital signal processor (DSP) module. The...
US-5,630,139 Program download type information processor
An information processor includes a CPU, an EEPROM for storing a program for ordinary processing and program download control, and a RAM having a first program...
US-5,630,053 Fault-tolerant computer system capable of preventing acquisition of an input/output information path by a...
In a computer system comprising first through N-th processors which are provided with first through N-th processor input/output information transmission paths,...
US-5,627,962 Circuit for reassigning the power-on processor in a multiprocessing system
A hot spare boot circuit that automatically switches from a non-operational CPU to an operational CPU for powering up the computer system. In the multiprocessor...
US-5,625,828 Parallel operating CPU core and DSP module for executing sequence of vector DSP code instructions to generate...
An integrated data processing system includes a shared internal bus for transferring both instructions and data. A shared bus interface unit is connected to the...
US-5,625,783 Automated system and method for dynamic menu construction in a graphical user interface
A processor (CPU) in the computer system executes an application program made up of a number of components, each associated with a set of commands. While the...
US-5,625,386 Method and apparatus for interleaving display buffers
A method and an apparatus for interleaving display frame buffers is disclosed. The system includes a processor providing CPU addresses for peripheral access, a...
US-5,621,456 Methods and apparatus for audio-visual interface for the display of multiple program categories
An interactive audio-visual (A/V) transceiver is advantageously coupled to a television and/or telephone (T/T) cable, a TV, a video recorder (VCR), and other A/V...
US-5,619,713 Apparatus for realigning database fields through the use of a crosspoint switch
A processor functioning as a coprocessor attached to a central processing complex provides efficient execution of the functions required for database processing:...
US-5,617,546 Data bus architecture compatible with 32-bit and 64-bit processors
A removable CPU module for use in a data processing system. The CPU module includes at least one CPU having a first data width, and a first data bus of the same...
US-5,615,327 Apparatus and method for controlling the initiating of a synchronization protocol for synchronizing a plurality...
A multiprocessor (MP) computer sytem which allows target CPU(s) to continue processing instructions while other target CPU(s) are processing instructions of...
US-5,614,685 Digital signal processor for musical tone synthesizers and the like
When a digital signal processor (i.e., DSP) performs a data processing on data stored in a memory (e.g., RAM) in accordance with instructions given from a CPU,...
US-5,613,136 Locality manager having memory and independent code, bus interface logic, and synchronization components for a...
A method and an apparatus for reconciling communication and locality by enabling a user/programmer to write programs in an extended procedural language which...
US-RE35,480 Hardware based interface for mode switching to access memory above one megabyte
A relatively fast system control processor, such as an Intel 8051, is substituted for an Intel 8042 microprocessor in a PC/AT type compatible personal computer....
US-5,611,073 Method of ensuring parameter coherency in a multi-processor system
In a multiprocessing machine having several processors which take turns in executing an instruction, processing of two related parameters in one processor takes...
US-5,611,070 Methods and apparatus for performing a write/load cache protocol
A Write/Load cache protocol is described which may be used for maintaining cache coherency and performing barrier synchronization in multiprocessor computer...
US-5,604,324 Musical tone signal generating apparatus including a plurality of voice units
A musical tone signal generating apparatus having a plurality of voice units connected to a common data bus to which a master central processing unit or master...
US-5,603,055 Single shared ROM for storing keyboard microcontroller code portion and CPU code portion and disabling access...
A shared keyboard and system ROM uses a single ROM for both the keyboard and the system operating system information (BIOS). The shared ROM is never...
US-5,603,038 Automatic restoration of user options after power loss
A computer system having a CPU, a non-volatile storage device, a power management processor having a volatile power management configuration, and a power supply...
US-5,603,017 Parallel integrated circuit having DSP module and CPU core operable for switching between two independent...
An integrated data processing system includes a shared internal bus for transferring both instructions and data. A shared bus interface unit is connected to the...
US-5,599,231 Security systems and methods for a videographics and authentication game/program fabricating device
A videographics/video game fabricating system includes a multiprocessor based game processor console which includes a main central processing unit (CPU) which...
US-5,598,576 Audio output device having digital signal processor for responding to commands issued by processor by emulating...
An improved audio-output device coupleable to a computer system, in which a DSP operating under software control emulates a common command interface. The command...
US-5,598,553 Program watchpoint checking using paging with sub-page validity
Segmentation is added to a reduced instruction set computer (RISC) processor which supports paging. The arithmetic-logic-unit (ALU) is extended to allow for a...
US-5,596,765 Integrated processor including a device for multiplexing external pin signals
An integrated processor is fabricated on a single monolithic circuit and employs circuitry to accommodate data-intensive, view-intensive and voice-intensive...
US-5,596,764 Debug mechanism for parallel-operating DSP module and CPU core
An integrated data processing system includes a shared internal bus for transferring both instructions and data. A shared bus interface unit is connected to the...
US-5,594,864 Method and apparatus for unobtrusively monitoring processor states and characterizing bottlenecks in a...
Methods and apparatus are presented for unobtrusively monitoring processor states and characterizing bottlenecks in an arbitrary customer workload. An...
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