Did You Know...
...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5526275 | Probe for in-circuit emulator with flexible printed circuit board A probe for an in-circuit emulator for use in program verification and debugging during development of an equipment using a microcomputer is disclosed. The probe is formed by a flexible printed circuit board on which a plurality of conductive lines and a ... | 06/11/1996 |
| 5524253 | System for integrating processing by application programs in homogeneous and heterogeneous network environments System Configuration files in source code are created from a high level definition of the distributed system which is to be integrated. The configuration files include data such as the types and formats of data for each process on each node of the system,... | 06/04/1996 |
| 5513338 | Apparatus for tracing activity on a bus of an in-circuit emulator An in-circuit emulator trace bus clocking mechanism. A synchronization clock associated with the trace bus is provided. Arrival of a first event on a microprocessor bus to be traced is signified by a transition of a control line. A start of cycle event is... | 04/30/1996 |
| 5497456 | Apparatus for transferring information between an interrupt producer and an interrupt service environment A micro processor emulator in which a set of core micro processor registers are the communication interface between an external system and a core-ported memory. The registers are connected to a serial scan port for transfer of information between a halted... | 03/05/1996 |
| 5493723 | Processor with in-system emulation circuitry which uses the same group of terminals to output program counter bits A processor emulation system for testing processor operation. First and second identical microprocessors are used together with a target system which includes the main memory. One microprocessor performs an in-system emulation (ISE) function by operating ... | 02/20/1996 |
| 5463760 | Break function in-circuit emulator for a microprocessor with a cache memory An in-circuit emulator comprising a microprocessor having an input terminal for selecting whether or not the data obtained by accessing an external address should be registered in the cache memory, a register for storing an address for discontinuing the e... | 10/31/1995 |
| 5455936 | Debugger operable with only background monitor A debugger for a microprocessor, includes an instruction substituting circuit for tracing a memory access performed by the microprocessor and for substituting a predetermined branch instruction for an instruction which is read out from a predetermined add... | 10/03/1995 |
| 5448717 | Transparently inserting wait states into memory accesses when microprocessor in performing in-circuit emulation The invention provides a register, which when set to a specific value, ensures that memory accesses take at least a specified number of clock cycles. The invention specifically introduces delays into the memory accesses when a memory bank control register... | 09/05/1995 |
| 5396611 | Microprocessor use in in-circuit emulator having function of discriminating user's space and in-circuit emulator space A microprocessor having three kinds of bus cycle mode including a read cycle, a write cycle and an instruction fetch cycle, comprises a register having three bits corresponding to the read cycle, the write cycle and the instruction fetch cycle, respective... | 03/07/1995 |
| 5392420 | In circuit emulator(ICE) that flags events occuring in system management mode(SMM) A micro processor emulator in which an SMM flag is set whenever a processor being emulated enters system management mode (SMM) mode, a diminished power mode, and is reset when the processor leaves SMM mode. Events, such as branch instructions, that are re... | 02/21/1995 |
| 5383192 | Minimizing the likelihood of slip between the instant a candidate for a break event is generated and the instant a microprocessor is instructed to perform a break, without missing breakpoints An in-circuit emulator on an integrated circuit chip having an input pin for externally triggering on-chip break mechanisms. A break logic having an arm input is connected to an instruction pointer counter (IP counter). The break logic matches the IP coun... | 01/17/1995 |
| 5371878 | System for analysis of embedded computer systems A system can "shadow" the execution of a target-ECS in real time operation, within or without a suite of computers, and record only the necessary information for later re-creation of the real time scenario, without interfacing with the operation of the ta... | 12/06/1994 |
| 5357626 | Processing system for providing an in circuit emulator with processor internal state A processing system is configured for providing an external in circuit emulator with an internal execution state resulting from the execution by a first processor of an internal instruction stored in an internal instruction cache. The processing system in... | 10/18/1994 |
| 5347649 | System for dynamically generating, correlating and reading multiprocessing trace data in a shared memory A data processing system adapted to perform a plurality of interleaved data processing functions (2, 4, 6), characterised in that each data processing function (2, 4, 6) stores self-diagnostic trace data in a memory (16) shared between the data processing... | 09/13/1994 |
| 5345580 | Microprocessor device and emulator device thereof A microprocessor device has an operand address register for storing an operand access address for an operand access, an access generation instruction address register for storing an access generation instruction address having caused the operand access an... | 09/06/1994 |
| 5331571 | Testing and emulation of integrated circuits An architecture is provided for testing and emulating an integrated circuit with embedded function blocks. The output nodes of the function blocks are connected through a tri-state buffer to a test bus which in turn is connected to configurable external p... | 07/19/1994 |
| 5329470 | Reconfigurable hardware emulation system A system for physical emulation of electronic circuits or systems includes a data entry workstation where a user may input data representing the circuit or system configuration. This data is converted to a form suitable for programming an array of program... | 07/12/1994 |
| 5325512 | Circuit emulator An In Circuit Emulator includes first and second memories, a emulation chip, gate circuit, and an input circuit. The first memory stores a program to be executed by a target system. The second memory stores a program for controlling the emulation chip. Th... | 06/28/1994 |
| 5321828 | High speed microcomputer in-circuit emulator An in-circuit emulator (ICE) for hardware/software development and debugging microprocessors. Program execution reconstruction is extracted from an on-board cache memory. An external ICE enclosure interfaces to a target system microprocessor via a cable a... | 06/14/1994 |
| 5313618 | Shared bus in-circuit emulator system and method An in-circuit emulator, alternatively referred to as a microcontroller debugging system, has a control processor having I/O ports and a multiplexed address/data bus port, an emulation processor having I/O ports and a multiplexed address/data bus port, an ... | 05/17/1994 |
| 5289587 | Apparatus for and method of providing the program counter of a microprocessor external to the device A microprocessor's program counter is made available external to the device on a dedicated bus. Thus, an emulator can readily generate a list of executed instruction addresses by monitoring the bus. This eliminates the conventional requirement of monitori... | 02/22/1994 |
| 5280626 | Multi-process emulator suitable for testing software under multi-process environments An emulator for use in a multi-process environment for simulating a computer and supporting testing of software, where the emulator detects a first event corresponding to a desired process on the basis of process information; detects a second event corres... | 01/18/1994 |
| 5202976 | Method and apparatus for coordinating measurement activity upon a plurality of emulators A system for coordinating the measurement activity of a plurality of emulators and their associated internal analyzers uses a bus with three signal lines. A READY signal is set false by any emulator that initiates a break (a transition from running user c... | 04/13/1993 |
| 5056013 | In-circuit emulator An in-circuit emulator comprising an emulation microprocessor for directly outputting at least an address and an execution level information, a latch circuit for latching at least the execution level information outputted from the emulation microprocessor... | 10/08/1991 |
| 5003507 | EPROM emulator for selectively simulating a variety of different paging EPROMs in a test circuit An EPROM emulator makes use of a simple device with a housing connected to a eprom header which serves to connect the device to a circuit board in conjunction with a microprocessor emulator. Inside the housing are paging and data select circuits and a set... | 03/26/1991 |
| 4964074 | In-circuit emulator An in-circuit emulator comprising CPUs (microprocessors) of different types, portions of constituent elements thereof being different from each other, a control circuit connected to the CPUs and an external actual apparatus for controlling the operation o... | 10/16/1990 |
| 4939637 | Circuitry for producing emulation mode in single chip microcomputer An emulator circuit utilizes an Intel 8031 microprocessor with external address and data buses to emulate an Intel 8051 single chip microcomputer with no external buses by providing external registers into which the contents of the internal 8031 "Port 0" ... | 07/03/1990 |
| 4924382 | Debugging microprocessor capable of switching between emulation and monitor without accessing stack area A debugging microprocessor used in an in-circuit emulator is made to be capable of moving into a debugging interrupt processing execution mode in response to an external supervisor interrupt instruction. This debugging microprocessor comprises a first pro... | 05/08/1990 |
| 4845712 | State machine checker Checking method and apparatus for monitoring the proper operation of a state machine of the type operable to produce control signals that in turn, cause other digital apparatus to produce responsive signals. Part of the checker apparatus, in effect, emula... | 07/04/1989 |
| 4782461 | Logical grouping of facilities within a computer development system A logical grouping of facilities within a computer development system where said facilities include breakpoint control, trace control and memory, a plurality of VLSI emulators, a plurality of storage device emulators, a plurality of emulators for simulati... | 11/01/1988 |
| 4674089 | In-circuit emulator A circuit is disclosed which is implemented on the same silicon chip as a microprocessor to be utilized in a microprocessor system such as a microcontroller, which circuit allows a user to perform in-circuit emulation ("ICE") for the purpose of debugging ... | 06/16/1987 |
| 4633417 | Emulator for non-fixed instruction set VLSI devices An emulator for non-fixed instruction set VLSI devices having a microprogrammable emulator controller which can be used with a variety of VLSI devices and provide in-circuit emulation for general VLSI technology with capabilities comparable to the in-chan... | 12/30/1986 |
| 4527234 | Emulator device including a semiconductor substrate having the emulated device embodied in the same semiconductor substrate The present invention is an emulator device for emulation of the functions and operation of a predetermined semiconductor device. A central portion of a semiconductor substrate of the emulator embodies the emulated semiconductor device. This embodiment of... | 07/02/1985 |
| 4441154 | Self-emulator microcomputer An electronic digital processor system including an internal memory, an arithmetic and logic unit, registers, peripheral control circuitry providing an internal mode, an external mode, emulator mode, data paths, and control and timing circuitry. In the in... | 04/03/1984 |
| 4326266 | Monitoring system for a modular digital data processor Internal states of storage devices within a modular digital data processing system are made accessible using variable mode multi-bit shift register storage devices in each module. The inputs and outputs of the shift register storage devices in each module... | 04/20/1982 |
