Resources Contact Us Home
Device and process for detecting errors in an integrated circuit comprising a parallel-serial port

Image Number 2 for United States Patent #6173423.

A device for detecting errors with an integrated self-check, on an integrated circuit comprising a serial link control function for constituting an input-output port (109) between a parallel bus (L2CB, C2LB) and a serial link. The integrated circuit comprises a serializer circuit (109.sub.T) on output and a deserializer circuit (109.sub.R) on input. An insertion buffer I-sb has each of its outputs connected to one input of an exclusive OR operation with two inputs. The second input of the exclusive OR operation receives a piece of information (o-s) to be transmitted in order to constitute, with the insertion information issuing from the insertion buffer, a piece of substitute information. An additional buffer (I-tb) makes it possible to compare the sequence supplied as output from the exclusive OR with a sequence stored in the additional buffer (I-tb) in order to validate the transmission of the substitute sequence. A history buffer (HIB) stores characters received from the deserializer and makes it possible to diagnose the error.

  Recently Added Patents
Pull through coronary sinus pacing lead
Heating pad
Battery pack with connecting device
Method for manufacturing semiconductor device
Methods and apparatus for adapting network characteristics in telecommunications systems
Method and apparatus for controlling the use of data stored on a media sample
Pressure-applying member, fixing device, and image forming apparatus
  Randomly Featured Patents
Method for forming recesses
Image analysis using a pre-calibrated pattern of radiation
Label-free methods for performing assays using a colorimetric resonant optical biosensor
Method of forming dual-metal gates in semiconductor device
Optimizing the size of an interlocking tree datastore structure for KStore
Tracks for remote controlled sludge removal apparatus
Nuclear fuel reprocessing apparatus
Digital integrated circuit comprising complementary field effect transistors
Air conditioner
Access control differentiation in trusted computer system