System comprising a state machine controlling transition...

Details System comprising a state machine controlling transition... System comprising a state machine controlling transition...

2006-01-24

2006-01-24

Lee, Thomas (Department: 2115)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral configuration

C370S225000, C370S431000

Reexamination Certificate

active

06990538

ABSTRACT:
A method and apparatus for managing a communication system including multiple links is presented. A receiver including a First-In, First-out (FIFO) memory receives information communicated on the links. A FIFO is associated with each communication link. Information is written into the FIFO based on a transmitter clock. Information is read out of the FIFO using a receiver clock. The FIFO is used to deskew data communicated across the communication links and re-synchronize the data between the transmitter clock and the receiver clock. A state machine controls the information read out of the FIFO. The state machine includes a deskew enabled state, a deskew disabled state and a reset state. Using the FIFO, the system is able to self reset and transition between the deskew enabled state and the deskew disabled state.

REFERENCES:
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patent: 6202102 (2001-03-01), Kuroiwa et al.
patent: 6751235 (2004-06-01), Susnow et al.
IBM, Data Reordering System for Error Correction Codes, Jun. 1, 1993, vol. 36, issue 6B, pp. 559-562.

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