TLC6C5912PWR coffee maker in off mode LED There will be flicker problems
Attached please find the project schematic for your reference, the symptom is when the MCU every four seconds waken up then during waken up time the LEDs will be flash.
For details please see below LED driver IC test waveform.Thanks.
1) MCU in sleeping mode:
Channel 1: LED_CLR (pulse time:100ms)
Channel 2: LED_G (pulse time:100ms)
Channel 3: LED_RCK
Channel 4: LED_SRCK
Waveform 1:
Waveform 2:
2) MCU in sleeping mode LED_SER_IN signal:
Waveform 1:
Waveform 2:
