WO2003032159A3 - Error detection on programmable logic resources - Google Patents

Error detection on programmable logic resources Download PDF

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Publication number
WO2003032159A3
WO2003032159A3 PCT/US2002/033395 US0233395W WO03032159A3 WO 2003032159 A3 WO2003032159 A3 WO 2003032159A3 US 0233395 W US0233395 W US 0233395W WO 03032159 A3 WO03032159 A3 WO 03032159A3
Authority
WO
WIPO (PCT)
Prior art keywords
checksum
programmable logic
error detection
expected value
logic resource
Prior art date
Application number
PCT/US2002/033395
Other languages
French (fr)
Other versions
WO2003032159A2 (en
Inventor
Ninh D Ngo
Andy L Lee
Kerry Veenstra
Original Assignee
Altera Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Altera Corp filed Critical Altera Corp
Priority to JP2003535060A priority Critical patent/JP4856848B2/en
Priority to EP02784165A priority patent/EP1438662A2/en
Publication of WO2003032159A2 publication Critical patent/WO2003032159A2/en
Publication of WO2003032159A3 publication Critical patent/WO2003032159A3/en

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/02—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components
    • H03K19/173—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components
    • H03K19/177—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits using specified components using elementary logic circuits as components arranged in matrix form
    • H03K19/17748—Structural details of configuration resources
    • H03K19/17764—Structural details of configuration resources for reliability
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum

Abstract

Error detection circuitry is provided on a programmable logic resource. Programmable logic resource configuration data is loaded into a cyclic redundancy check (CRC) module where a checksum calculation may be performed. In one embodiment, the checksum may be compared to an expected value, which is a precomputed checksum on data prior to being programmed into or while data is being programmed into a programmable logic resource. In another embodiment, the expected value may be included in the checksum calculation. An output indicating whether an error is detected may be generated depending on the relationship between the checksum and the expected value, or on the value of the checksum. This output may be sent to an output pin that is accessible by user logic.
PCT/US2002/033395 2001-10-11 2002-10-10 Error detection on programmable logic resources WO2003032159A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2003535060A JP4856848B2 (en) 2001-10-11 2002-10-10 Error detection on programmable logic resources
EP02784165A EP1438662A2 (en) 2001-10-11 2002-10-10 Error detection on programmable logic resources

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32866801P 2001-10-11 2001-10-11
US60/328,668 2001-10-11

Publications (2)

Publication Number Publication Date
WO2003032159A2 WO2003032159A2 (en) 2003-04-17
WO2003032159A3 true WO2003032159A3 (en) 2004-04-01

Family

ID=23281914

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/033395 WO2003032159A2 (en) 2001-10-11 2002-10-10 Error detection on programmable logic resources

Country Status (5)

Country Link
US (4) US7310757B2 (en)
EP (1) EP1438662A2 (en)
JP (3) JP4856848B2 (en)
CN (1) CN100489797C (en)
WO (1) WO2003032159A2 (en)

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