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US 6,665,265 B1Granted
Overhead serial communication scheme
AssigneeCypress Semiconductor Corporation
InventorS. Babar Raza
Life of this patent
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Abstract
A method of validating data between a path generator and a path processor, comprising the steps of (A) transmitting validation data from said path generator to said path processor on a data path, (B) sequentially transmitting data on said data path, (C) determining if the transmitted data is valid in response to the validation data and (D) using the overhead data by the processor when the overhead data is validated by the validation data.
Claims18
A method of validating data between a path generator and a path processor, comprising the steps of:
- (A) transmitting validation data and overhead data from said path generator to said path processor on a first data path;
- (B) transmitting data on said first data path after transmitting said overhead data;
- (C) transmitting a clock signal on a second data path;
- (D) validating said validation data against a predetermined pattern;
- and
- (E) using said overhead data by said path processor in response to said overhead data being valid.
3 more elements
A circuit comprising:
- a path generator configured to transmit (i) validation data and overhead data and then (ii) data on a first pin and transmit a clock signal on a second pin;
- and
- a path processor configured to (i) validate said validation data against a predetermined pattern and (ii) use said overhead data in response to said validation data being valid.
An apparatus for validating overhead bytes comprising:
- means for transmitting validation data and an overhead data on a first data path;
- means for transmitting data on said first data path after transmitting said overhead data;
- means for transmitting a clock signal on a second data path;
- means for validating said validation data against a predetermined pattern;
- and
- means for using said overhead data in response to said validation data being valid.
3 more elements
Dependencies are inferred from the claim text.