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pca9685 driver

Question asked by Wilson Shen on May 4, 2017


I just finish the pca9685 driver design and below are my control sequence.

1.Set 0xFE as 133(50 Hz)

2.Set 0x06 and 0x07 as 0

3.Set 0x07 as 0x4B and 0x08 as 1

4.Set 0x00 as 0x00

After the steps, the PWM was generated as what I went, but the signal will stop in a regular period then generated again.

The discontinuous PWM is not what we desired, is there any setting I miss?