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System and method for generating a trigger signal

A technology of signals and conditions, applied in the field of systems that generate trigger signals, to solve problems such as increased complexity

Inactive Publication Date: 2009-01-14
HEWLETT PACKARD DEV CO LP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] There is a tendency toward increased complexity associated with the internal operations of a chip or chipset with increasing levels of circuit integration achieved on a single integrated circuit chip or chipset

Method used

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  • System and method for generating a trigger signal
  • System and method for generating a trigger signal
  • System and method for generating a trigger signal

Examples

Experimental program
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Embodiment Construction

[0014] figure 1 An example of a system 10 is shown that can be used to generate "TRIGGER" signal sampling (or capture) of data from an associated data source (eg, a data bus). This "trigger" signal can be used to activate or initiate any other operation or process (eg, fault monitoring, data analysis, etc.). System 10 may be implemented as an application specific integrated circuit (ASIC), such as may be used in a computer system, router, or other type of system that may process or propagate data.

[0015] System 10 includes a state machine circuit 12 that includes a plurality of states. State machine 12 includes one or more conditions 14 that control the transition from the current state to the next state based on "inputs" related to the one or more conditions. The "input" may correspond to one or more input signals or data bits. As used herein, the singular or plural terms "data" and "signal" are used interchangeably to identify one or more units of information (eg, one ...

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PUM

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Abstract

A disclosed embodiment may include an Application Specific Integrated Circuit (ASIC) (10, 200, 354). The ASIC includes a memory (18, 52, 102, 206) that stores condition data defining the conditions for initiating a transition between a plurality of states and a next state defining the next state associated with each of the conditions. status data. A state machine circuit (12, 50, 106, 210) employs condition data and next state data to transition from a current state of the state machine circuit to a next state as a function of applying at least one condition to the input data. At least one condition is defined by condition data associated with the current state. A state machine circuit (12, 50, 106, 210) associates next state data with at least one condition based on a current state of the state machine circuit. The control circuit (24, 50, 70, 150, 210) provides the trigger signal in response to the current state of the state machine circuit transitioning to at least one predetermined one of the plurality of states.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS [0002] This application is related to the following commonly assigned co-pending patent applications: "SYSTEM AND METHOD FOR DATA ANALYSIS" (Attorney Docket No. 200314514-1); "SYSTEM AND METHOD FOR DATA ANALYSIS (SYSTEM AND METHOD FOR DATA ANALYSIS)" METHOD TO QUALIFY DATA CAPTURE)" (Attorney Case No. 200314251-1); "SYSTEM ANDMETHOD TO CONTROL DATA CAPTURE" (Attorney Case No. 200314252-1), all of which are related to this The application was filed concurrently and is incorporated herein by reference. technical field [0003] The present invention relates to systems and methods for generating trigger signals. Background technique [0004] As the degree of circuit integration achieved on a single integrated circuit chip or chipset increases, there is a tendency for increased complexity associated with operations within the chip or within the chipset. Various types of internal and external systems have been developed to facili...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F11/00
CPCG06F2217/14G06F17/505G06F30/327G06F30/333
Inventor J·A·贝纳维德斯T·J·约翰逊R·L·阿克尔曼
Owner HEWLETT PACKARD DEV CO LP