Matches 151 - 186 out of 186 < 1 2 3 4
Match Document Document Title
5506994 Multiprocessor-type one-chip microcomputer with dual-mode functional terminals  
A multiprocessor-type one-chip microcomputer, of the type having a plurality of processors, each having a separate address space, a plurality of programmable ROMs, for storing program data for each...
5504903 Self-progamming of on-chip program memory for microcontroller at clock start-up  
A microcontroller fabricated on a semiconductor chip is adapted, when operating, to execute programs and instructions and, in response, to generate control signals to selectively control external...
5485590 Programmable controller communication interface module which is configurable by a removable memory cartridge  
A module interfaces a programmable controller to several serial communication networks over which data may be exchanged according to different protocols. A module has a central controller and a...
5428808 Single-chip microcomputer  
A logic circuit built in a single-chip microprocessor is configured of electrically-programmable memory elements, and information is written into the memory elements from outside, whereby the logic...
5408672 Microcomputer having ROM to store a program and RAM to store changes to the program  
When an error is found in a program of the microcomputer, there are stored in a writable memory change address data of an address of a wrong instruction to be subjected to modification or insertion...
5396639 One chip microcomputer having programmable I/O terminals programmed according to data stored in nonvolatile memory  
A one-chip microcomputer according to the present invention is provided with an initial reset circuit for producing a first initial reset signal having a first reset period and a second initial...
5381556 Semiconductor device having externally programmable memory  
A semiconductor device is provided for implementing a single-chip microcomputer or the like, which micro-computer is compatible with a plurality of programmable ROM writing schemes. The device...
5375209 Microprocessor for selectively configuring pinout by activating tri-state device to disable internal clock from external pin  
A microprocessor has a plurality of input/output pins and processing coupled to the input/output pins. Circuitry is provided for selectively decoupling the processing circuitry with one or more of...
5355466 Single chip microcomputer having an address discrimination circuit and an operation mode terminal for protecting the content of internal ROM  
A single chip microcomputer coupled to an external memory includes a latch circuit having a data input connected to an operation mode designation terminal and a toggle input connected to a reset...
5349685 Multipurpose bus interface utilizing a digital signal processor  
A multipurpose bus interface comprising a digital signal processor which eives a clock signal and control signals from a Manchester type encoder/decoder and then processes the clock and control...
5321845 Single-chip microcomputer including non-volatile memory elements  
A logic circuit built in a single-chip microprocessor is configured of electrically-programmable memory elements, and information is written into the memory elements from outside, whereby the logic...
5301344 Multibus sequential processor to perform in parallel a plurality of reconfigurable logic operations on a plurality of data sets  
A reconfigurable sequential processor includes a data bank for storing data to be processed; a programmable logic block address generator for addressing data in the data bank; a programmable logic...
5301338 System including central processing unit  
A central processing unit includes a programmable logic array, a timing control unit, a predecoder, a data input/output part, and a processing part. The processing part carries out a predetermined...
5276903 Method for rewriting partial program data in an IC card and apparatus therefor  
A method and apparatus for storing and rewriting programs in an IC card. The system provides for storing programs in subdivided portions identified by attribute information including a program...
5175859 Apparatus for disabling unused cache tag input/output pins during processor reset by sensing pull-down resistors connected to disabled pins  
A method of programming a cache tag comparator by designing a semiconductor device's internal circuitry such that an input/output pin of the device may be programmed by an external resistor to...
H000714 Serial data word processing arrangement  
A serial data word processing arrangement which can be used as a hand held security access control is disclosed. A microprocessor and electronically erasable and programmable red only memory chips...
4807114 Microcomputer with internally and externally programmed eprom  
A microcomputer system including an EPROM (electrically programmable read-only memory) which can be programmed either externally or by the control processing unit of the system. The control means,...
4794558 Microprocessor having self-programmed eprom  
A single-chip microcomputer comprises a CPU (1), a RAM (2), an EPROM (3), a timer (4), serial I/O communication logic (5), four I/O ports (11-14) and an input pin for providing a RESET signal or...
4718037 Microcomputer containing EPROM with self-program capability  
An electronic digital processor system including an internal memory means further including an electrically programmable read-only memory for the storage of data and commands which define...
4680698 High density ROM in separate isolation well on single with chip  
A programmable, high speed, single chip microcomputer includes 4K of RAM, ROM, registers and an ALU. Program can be stored in the on-chip RAM. The first local variable of each process to be...
4603381 Use of implant process for programming ROM type processor for encryption  
A digital processing system including a nonvolatile memory for the storage of instructions and data where the memory contains a plurality of field effect transistors which selectively conduct...
4580216 Microcomputer with internal selection of on-chip or off-chip access  
A microcomputer device contains a CPU with an arithmetic/logic unit and data/address registers on a single semiconductor integrated circuit having on-chip macrocode and microcode storage. In the...
4562554 Universal microcomputer for individual sensors  
This invention is an apparatus and method created around a specialized micomputer attachable to and addressable to each thermister in an array of thermisters used to measure temperature in the sea....
4558411 Polymorphic programmable units employing plural levels of sub-instruction sets  
This disclosure relates to a programmable unit employing plural levels of sub-instruction sets in addition to conventional instruction sets. The conventional level of instruction sets is employed...
4494187 Microcomputer with high speed program memory  
A system for real-time digital processing employs a single-chip microcomputer device having a high-speed on-chip program ROM and a separate data RAM, with separate address and data paths for...
4485455 Single-chip semiconductor unit and key input for variable function programmed system  
A variable function calculator utilizes a fixed program memory array such as a programmed read only memory in which a number of programs are stored depending upon the desired functions of the...
4484303 Programmable controller  
An improved programmable controller having the ability to use two different data bases while presenting to the outside world a uniform word size. The programmable controller includes pipeline...
4459666 Plural microcode control memory  
A microcode control memory having a first memory for receiving initial instructions is shown in combination with at least one additional memory for executing multistep control functions in a...
4402043 Microprocessor with compressed control ROM  
A single-chip microprocessor device of the MOS/LSI type contains an ALU, several interal busses, a number of address/data registers, and an instruction register with associated control decode or...
4382279 Single chip microprocessor with on-chip modifiable memory  
A microprocessor architecture which permits automatic programming of a non-volatile memory included on the same chip as a processing and control unit. The microprocessor includes a permanent memory...
4295194 Adapter unit for use in a data processing system for processing a variety of requests  
A data processing system includes a central processing unit, a main store and device controllers which couple to a bus system. Each controller has a number of device adapter units. One controller...
4237545 Programmable sequential logic  
A programmable sequential logic circuit processes data according to a prom containing instructions of different lengths, each instruction composed of one or several words. The sequential logic...
4084233 Microcomputer apparatus  
A computer system features a processor unit which includes its own microprogram control unit. The microprogram control unit includes a storage means for operational instructions for the processor...
4079454 Data processing system using read-only-memory arrays to provide operation in a plurality of operating states  
A data processing system in which the central processor unit operates asynchronously with one or more memory units independently of the operating speed of the memory units wherein the central...
4074355 Digital microprocessor system with shared decode  
A digital processor which may be used in a calculator or the like is provided by an MOS/LSI semiconductor chip which contains a ROM or read-only-memory for storing instructions, a bit-parallel...
3757306 COMPUTING SYSTEMS CPU  
A central processing unit (CPU) is utilized in combination with external random access or serial memory units. The CPU includes a parallel arithmetic logic unit (ALU), accumulator and file...
Matches 151 - 186 out of 186 < 1 2 3 4