Cirrus Logic CS3308 - Manual (Page 16)

16 DS702F1
CS3308
5.3.1 Recommended Power-Up Sequence
1. Hold RESET low until the power supplies are stable. In this state, the control port is reset to its default
settings.
2. Bring RESET high. The device will remain in a low power state with the PDN_ALL bit set by default.
The control port will be accessible.
3. The desired register settings can be loaded while the PDN_ALL bit remains set.
4. Clear the PDN_ALL bit to initiate the power-up sequence.
5.3.2 Recommended Power-Down Sequence
1. Set the PDN_ALL bit to mute all channels and power-down all internal amplifiers.
2. If desired, hold RESET low to bring the CS3308’s power consumption to an absolute minimum.