CS4207 Datasheet, PDF (138/144 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

CS4207
• clear the TX 2 Enable bit in the S/PDIF RX/TX Interface Control (CIR = 0001h) register of the Vendor
Processing Widget (Node ID = 11h) (only required for DMIC2)
• set the DMIC1 Enable and/or DMIC2 Enable bit in the Beep Configuration (CIR = 0004h) register of the
Vendor Processing Widget (Node ID = 11h)
• set the INE bit in the Pin Widget Control of the Digital Mic In 1 Pin Widget (Node ID = 0Eh) and/or the
Digital Mic In 2 Pin Widget (Node ID = 12h)
• for DMIC1 set the Connection Index in the ADC2 Connection Select Control of the ADC2 Input Con-
verter Widget (Node ID = 06h) to a value of 01h
• for DMIC2 set the Connection Index in the ADC1 Connection Select Control of the ADC1 Input Con-
verter Widget (Node ID = 05h) to a value of 01h
The clock signal for the DMIC interface (DMIC_SCL) will be enabled if at least one of the DMIC data paths
has been configured as described above.
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DS880F1