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公开(公告)号：US20190261473A1
公开(公告)日：2019-08-22
申请号：US16273661
申请日：2019-02-12
Applicant: STMicroelectronics S.r.I.
Inventor： Ignazio Cala' , Santi Carlo Adamo
Abstract: A circuit includes a set of LED driver devices and a controller including a set of nodes coupled to a first slave address pin and a second slave address pin in each LED driver devices in the set of LED driver devices. Each LED driver device includes: a finite state machine (FSM) configured to generate LED drive PWM-modulated signal patterns; an oscillator configured to generate a clock signal for the FSM; a first signal path activatable between the first slave address pin and the FSM; and a second signal path activatable between the FSM and the second slave address pin.
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