Communication unit and method for clock distribution and synchronization
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United States of America
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May 3, 2022
Grant Date -
Jan 2, 2020
app pub date -
Jun 20, 2019
filing date -
Jun 20, 2019
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Abstract
A communication unit (300) is described that includes a plurality of cascaded devices that includes at least one master device and at least one slave device configured in a master-slave arrangement. The at least one master device comprises a modulator circuit (362) configured to: receive a system clock signal and a frame start signal; modulate the system clock signal with the frame start signal to produce a modulated master-slave clock signal (384); and transmit the modulated master-slave clock signal (384) to the at least one slave device. The at least one slave device comprises a demodulator circuit (364) configured to: receive and demodulate the modulated master-slave clock signal (384); and re-create therefrom the system clock signal (388, 385) and the frame start signal (390, 386).
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