Electrical computers and digital data processing systems: input/ – Input/output data processing – Peripheral adapting
Reexamination Certificate
2011-06-07
2011-06-07
Hafiz, Tariq (Department: 2182)
Electrical computers and digital data processing systems: input/
Input/output data processing
Peripheral adapting
C710S008000, C710S010000, C710S012000, C710S014000, C710S064000, C710S069000, C712S036000, C712S037000, C324S600000, C324S649000, C324S713000
Reexamination Certificate
active
07958286
ABSTRACT:
Programmable on-chip identification circuitry and associated method are disclosed that provide integrated circuits with the ability to select and report from multiple different vendor and system identification configurations. The integrated circuit device includes programmable circuitry that utilizes vendor identification, system identification, configuration or other device information provided or selected at least in part based upon selection information from a source external to the integrated circuit. The selection information may be provided through one or more externally generated digital and/or analog control signals that are then processed within the integrated circuit device to select, access and utilize desired identification information stored in an on-chip database. For example, one or more analog control signals can be generated using resistor circuits for which specific selectable resistor configurations map to particular information stored in a look-up table or other database structure within the integrated circuit. The analog control signals are converted to digital values within the integrated circuit, and these digital values are used to select device information from the on-chip database. Furthermore, the selected device information can be stored in on-chip device information registers. And the digital values themselves can be stored and used as identification, configuration or other device information.
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Bresemann David P.
Hendrickson Alan F.
Wagner Robert C.
Hafiz Tariq
O'Keefe, Egan Peterman & Enders LLP
Silicon Laboratories Inc.
Yu Henry
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