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1. (WO2018057349) ADAPTIVE RATE MATCHING FIRST-IN FIRST-OUT (FIFO) SYSTEM

Pub. No.:    WO/2018/057349    International Application No.:    PCT/US2017/051162
Publication Date: Fri Mar 30 01:59:59 CEST 2018 International Filing Date: Wed Sep 13 01:59:59 CEST 2017
IPC: G06F 5/06
Applicants: ALTERA CORPORATION
Inventors: LEONG, Han Hua
NG, Ru Yin
CHONG, Geok Sun
MENDEL, David W.
Title: ADAPTIVE RATE MATCHING FIRST-IN FIRST-OUT (FIFO) SYSTEM
Abstract:
A control system controls First-In First-Out (FIFO) settings (30) of a receiving system (14) (14). The control system includes a FIFO settings controller (28) that receives a first signal indicative of a first frequency of data (16) received by the receiving system (14). The FIFO settings controller (28) receives a second signal indicative of a second frequency of a clock (24) that reads the data (16) received by the receiving system (14). The FIFO settings controller (28) determines a difference (e.g., a parts-per-million (PPM) difference) between the first frequency and the second frequency. The FIFO settings controller (28) sends a third signal indicative of instructions to adjust FIFO configuration settings (30) based on the PPM difference.