Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2006-05-16
2006-05-16
Jeanglaude, Jean Bruner (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
Reexamination Certificate
active
07046184
ABSTRACT:
An analog/digital converter and a micro-computer including the analog/digital converter that may accurately perform “coincidence detection” operation between A/D converted digital data and a reference digital value. The analog/digital converter includes a converted data storing unit configured to store the A/D converted digital data, a reference value storing unit configured to store the reference digital value for executing a predetermined process in a CPU, and a comparing data storing unit configured to store comparing data that indicates which bit of the converted digital data is to be compared with which bit of the reference digital value. The analog/digital converter selects comparing bits from the converted digital data and the reference digital value, based on the comparing data. The analog/digital converter compares the selected bit between the converted data and the reference value and generates an interrupt request signal to the CPU at a time when coincidence as a result of the comparison is detected.
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patent: 5229770 (1993-07-01), Nakajima
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patent: 2002-261609 (2002-09-01), None
Jeanglaude Jean Bruner
Kabushiki Kaisha Toshiba
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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