7.5.1.6 Register Programming
For glitch-free operation, the following bits and/or registers must only be programmed while the LED Enable bits are 0 (Register 0x08, Bit [3:0] = 0) and/or Backlight Enable bit is 0 (Register 0x08, Bit[4] = 0):
- Register 0x02 Bit[0] (PWM Enable)
- Register 0x02 Bits[1] (PWM Ramp)
- Register 0x02 Bit[2] (PWM Config)
- Register 0x02 Bits[3] (LED Current Mapping)
- Register 0x03 Bit[1:0] (PWM Hysteresis)
- Register 0x03 Bit[2] (PWM Sample)
- Register 0x03 Bit[6:3] (LED Current Ramp)
- Register 0x10 Bit[0] (PWM HF Sample)
- Register 0x10 Bit[1] (PWM Glitch Filter)
- Register 0x10 Bit [6:3] (LED Feedback Enable)
- Register 0x06 (auto frequency high threshold)
- Register 0x07 (auto frequency low threshold)