Controller circuit and method for estimating transmission delay

The invention relates to a controller circuit and a method for estimating transmission delay. The controller circuit includes a first signal processing device processing signals in accordance with a first predetermined rule, a second signal processing device processing signals in accordance with a s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WENI CHAO, FU-JEN SHIH
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention relates to a controller circuit and a method for estimating transmission delay. The controller circuit includes a first signal processing device processing signals in accordance with a first predetermined rule, a second signal processing device processing signals in accordance with a second predetermined rule, a data bus coupled between the first signal processing device and the second signal processing device and comprising multiple data lines, and a confirmation signal line coupled between the first signal processing device and the second signal processing device. The first signal processing device transmits a synchronization signal to the second signal processing device via the data bus. The second signal processing device estimates transmission delay on each data line according to the synchronization signal, performs transmission delay compensation on each data line according to the estimated transmission delay and transmits a confirmation signal on the confirmation signal line to notify the