Matches 101 - 150 out of 186 < 1 2 3 4 >
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6026481 Microprocessor with distributed registers accessible by programmable logic device  
A chip includes a programmable logic device and a microprocessor, wherein at least one of the associated registers of the microprocessor is distributed in the programmable logic device. The...
6023758 Method and processor for changing program by replacing instruction stored in ROM with predetermined value to be interpreted as an instruction  
According to the present invention, a method for changing a program including a plurality of instructions in a processor having a ROM for storing the program therein is provided. The method...
6023755 Computer with programmable arrays which are reconfigurable in response to instructions to be executed  
A virtual network consists of many distributed virtual computers interconnected over a communication network of individual links, such as optical fibers or electrical conductors, for example. Each...
6021447 Non-intrusive in-system programming using in-system programming circuitry coupled to oscillation circuitry for entering, exiting, and performing in-system programming responsive to oscillation circuitry signals  
A method and apparatus for In-System Programming which overcomes the above-described disadvantages. The method and apparatus of the ISP system interfaces with the two oscillator (instead of I/O)...
6021483 PCI-to-PCI bridges with a timer register for storing a delayed transaction latency  
To improve the efficiency of delayed transactions in bus-to-bus bridge systems which include at least one interface to a PCI bus, a bridge system is disclosed including at least a primary interface...
6009495 Protected address range in an electrically erasable programmable read only memory  
An interface between the host CPU and the programmably memory, providing an address, data and read/write control signals to create a non-volatile sector within the programmable memory. In an...
6009496 Microcontroller with programmable embedded flash memory  
An architecture for microcontroller with embedded flash memory is provided. The microcontroller allows the reprogramming of data into the embedded flash memory of the microcontroller to be...
6006322 Arithmetic logic unit and microprocessor capable of effectively executing processing for specific application  
An arithmetic logic unit capable of executing an instruction belonging to a user-defined instruction area at the same clock frequency as a hard-wired logic includes a memory storing data at an...
6006304 Apparatus and method for calculating an erasure time for data stored in a flash memory  
A system includes a microcomputer. The microcomputer includes a clock signal circuit, a measuring circuit, a central processing unit, and a flash memory. A user sets a frequency of a clock signal...
5974528 Microcomputer with embedded flash memory having on-chip programming capability and method of programming data into the embedded flash memory  
A microcomputer with embedded flash memory is provided, which has an on-chip programming capability that allows new data to be reprogrammed by the microcomputer itself into the embedded flash...
5968196 Configuration control in a programmable logic device using non-volatile elements  
A boundary scan test circuit (JTAG) interface is used to provide data for a set of configuration latches within a Configuration Register. The Configuration Register is included within the JTAG...
5968161 FPGA based configurable CPU additionally including second programmable section for implementation of custom hardware support  
An integrated programmed logic circuit for performing complementary hardware and software based logic functions includes multiple programmed circuit portions. The portion programmed for performing...
5970254 Integrated processor and programmable data path chip for reconfigurable computing  
A reconfigurable processor chip has a mixture of reconfigurable arithmetic cells and logic cells for higher effective utilization than a standard FPGA. The reconfigurable processor includes a...
5966723 Serial programming mode for non-volatile memory  
A method and apparatus for storing a value in a non-volatile memory device is disclosed. The non-volatile memory device includes a plurality of address pins for concurrently receiving the...
5956520 Microcomputer for accessing a memory outside the chip by using an address generated from the CPU  
An external bus I/F section has a function in which, when a bus access is requested by an instruction execution section, high-order several bits of a logical address generated by a CPU are...
5951673 Digital signal processing device capable of selectively imparting effects to input data  
A digital signal processing device (e.g., DSP), employed by electronic musical instruments and the like, is designed to perform a variety of digital signal processings. The digital signal...
5949987 Efficient in-system programming structure and method for non-volatile programmable logic devices  
An in-system programming/erasing/verifying structure for non-volatile programmable logic devices includes a data input pin, a data output pin, an instruction register, a plurality of data registers...
5946497 System and method for providing microprocessor serialization using programmable fuses  
A system and method for providing a microprocessor with a software accessible serial number. A plurality of programmable fuses on the processor are encoded with a value representative of a serial...
5930519 Distributed branch logic system and method for a geometry accelerator  
A system and method for minimizing space requirements and increasing speed in a geometry accelerator for a computer graphics system by enabling efficient multiway logic branching functionality....
5905921 One-chip microcomputer built-in system  
A CPU in a one-chip microcomputer executes a control operation in accordance with program data stored in part of a flash memory capable of erasing/writing data in each memory block defined in the...
5901330 In-circuit programming architecture with ROM and flash memory  
An architecture for an integrated circuit with in-circuit programming includes a microcontroller on an integrated circuit and one or more banks of non-volatile memory which store instructions,...
5857109 Programmable logic device for real time video processing  
A real time video processing system adds a programmable logic device between a conventional frame buffer and a conventional digital to analog converter to provide real time and off-screen...
5841996 Serial communication interface system having programmable microcontroller for use in a battery pack  
A microcontroller for use in battery charging and monitoring applications is disclosed. The microcontroller includes a microprocessor and various front-end analog circuitry such as a slope A/D...
5835734 Electronic processing and control system with programmable hardware  
A computer system with reprogrammable hardware allowing dynamically allocating hardware resources for different functions and adaptability for different processors and different operating...
5835750 User transparent system using any one of a family of processors in a single socket  
A digital computer system having a socket capable of accepting any one of a family of processors, the family being defined as those processors having commonality of their respective basic...
5822601 Apparatus to allow a CPU to control the relocation of code blocks for other CPUs  
The invention provides for a CPU in a digital system to control the location of the code being executed by one or more peripheral CPUs when all CPUs share a common memory. This allows the CPU to...
5812808 Totally pipelined computer, interconnected with others  
Totally pipelined computer, interconnected with others, comprising totally pipelined computer, a number of components interconnected in a pipeline: Control storage for control and input-output...
5802382 Flexible single chip digital processor architecture  
An application-specific single chip digital processor having flexible design expansion capability with minimal impact on the performance of a processor core. The processor core has an ALU and a...
5793656 Application-specific integrated circuits having programming functions  
An application-specific integrated circuit (ASIC) for performing a selected one of a plurality of programmable functions on one or more input signals. The ASIC includes a plurality of component...
5790817 Configurable digital wireless and wired communications system architecture for implementing baseband functionality  
A configurable multiprocessor communications architecture which performs digital communications functions and which is configurable for different digital communications standards, such as various...
5790882 Programmable logic device placement method utilizing weighting function to facilitate pin locking  
A method for placing a logic function into the function blocks of a complex programmable logic device (CPLD) to maintain the same input/output pin locations after the logic function is subsequently...
5784637 Single-chip semiconductor integrated circuit device and microcomputer integrated on a semiconductor chip  
A semiconductor integrated circuit device formed on a single chip or a microcomputer integrated on a semiconductor chip includes a central processing unit (CPU), an interface circuit (or an...
5784636 Reconfigurable computer architecture for use in signal processing applications  
An architecture for information processing devices which allows the construction of low cost, high performance systems for specialized computing applications involving sensor data processing. The...
5781793 Appratus for preventing changes of computer configuration data by unauthorized users  
A protection system for a computer is provided. This system is essentially based on the provision of an EEPROM (20) of unstandard access and containing configuration data of the computer as well as...
5748979 Reprogrammable instruction set accelerator using a plurality of programmable execution units and an instruction page table  
A microprocessor comprises a defined execution unit coupled to internal buses of the processor for execution of a predefined, fixed set of instructions, combined with one or more programmable...
5737631 Reprogrammable instruction set accelerator  
A microprocessor comprises a defined execution unit coupled to internal buses of the processor for execution of a predefined set of instructions, combined with a programmable execution unit coupled...
5734922 Multiprocessing system configured to detect and efficiently provide for migratory data access patterns  
A computer system includes a directory at each node which stores coherency information for the coherency units for which that node is the home node. In addition, the directory stores a data access...
5701506 Microcomputer having ROM program which can be altered  
A microcomputer whose ROM program can be altered without the necessity of rebuilding or remaking the ROM, wherein when an address outputted from a CPU to an address bus matches one of the addresses...
5701442 Method of modifying an instruction set architecture of a computer processor to maintain backward compatibility  
A method of processor architecture modification includes the step of defining an instruction set architecture for a current generation processor. Reserved within this definition are a set of...
5694611 Microcomputer including internal and direct external control of EEPROM and method of making the microcomputer  
A microcomputer including an EEPROM in which data may be stored and from which stored data may be read either under control of a central processing unit of the microcomputer or under direct...
5687345 Microcomputer having CPU and built-in flash memory that is rewritable under control of the CPU analyzing a command supplied from an external device  
A data processing apparatus having a built-in flash memory and being capable of performing a rewriting operation of the built-in flash memory, by use of versatilely used PROM writer, has a CPU, an...
5644781 Microcomputer having a security function for stored data  
A microcomputer includes a ROM storing various instruction codes including an invalidation instruction code for invalidating a content of an instruction decoder. The invalidation instruction code...
5628022 Microcomputer with programmable ROM  
In a microcomputer with a programmable ROM, there is provided an external pin at which a mode select signal is entered so as to select one of three modes, including a MCU mode in which an...
5623684 Application specific processor architecture comprising pre-designed reconfigurable application elements interconnected via a bus with high-level statements controlling configuration and data routing  
The architecture and design method of an application specific processor ("ASP") is disclosed. The ASP is designed by integrating selected pre-designed application elements contained in a library....
5590305 Programming circuits and techniques for programming logic  
Apparatus and methods for configuring a plurality of programmable logic devices which include the steps of providing a source of configuration data and transferring the configuration data directly...
5566344 In-system programming architecture for a multiple chip processor  
An architecture for a serial multi-chip package digital controller including a controller oriented processor die and a separate non-volatile memory die. The architecture provides for a low pin...
5555424 Extended Harvard architecture computer memory system with programmable variable address increment  
An extended Harvard architecture memory system which features an address store for containing an ordered sequence of program memory addresses, and a value store for containing a series of related...
5553301 Programmable sequencher having internal components which are microprocessor read/write interfacable  
A single-chip microprogrammable sequencer (10) provides a bus (12) for connection of an external microprocessor. The sequencer includes a register file (40) which consists of a number of registers...
5542081 IC card designed to receive multiple programs in a progammable memory  
An integrated circuit, for use in a microprocessor-based chip card that provides several different functions at different hierarchical levels. The circuit has a microprocessor, a read-only memory...
5535409 Apparatus for and method of preventing changes of computer configuration data by unauthorized users  
A protection system for a computer is provided. This system is essentially based on the provision of an EEPROM (20) of unstandard access and containing configuration data of the computer as well as...
Matches 101 - 150 out of 186 < 1 2 3 4 >