Apparatus for on-line checking and reconfiguration of integrated circuit chips

作者: Stanley Kenoyer , Mark S. Myers , Sven Nilsson , David B. Johnson

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摘要: An error-checking system in which two substantially identical modules are checked by comparing the outputs (43, 63) from chip logic (41, 61) on each with other. One module is designated a master and other checker. The compare (46 or 66) functional only when that it as A control bit designates either second indicates first state, drives bus, state checker alternately drive bus. Circuitry distinguishes warm initialization cold initialization. register causes to become upon every alternate initialization, so alternates between being time occurs.