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WM1811A Datasheet(PDF) 248 Page - Wolfson Microelectronics plc |
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WM1811A Datasheet(HTML) 248 Page - Wolfson Microelectronics plc |
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248 / 328 page  WM1811A Production Data w PD, November 2013, Rev 4.1 248 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION 1 = Un-mute Note that VMID_BUF_ENA must be set when using the IN1LP input to SPKMIXL. 4 IN1RP_TO_SPK MIXR 0 IN1RP to SPKMIXR Mute 0 = Mute 1 = Un-mute Note that VMID_BUF_ENA must be set when using the IN1RP input to SPKMIXR. 3 MIXOUTL_TO_S PKMIXL 0 Left Mixer Output to SPKMIXL Mute 0 = Mute 1 = Un-mute 2 MIXOUTR_TO_S PKMIXR 0 Right Mixer Output to SPKMIXR Mute 0 = Mute 1 = Un-mute 1 DAC1L_TO_SPK MIXL 0 Left DAC to SPKMIXL Mute 0 = Mute 1 = Un-mute 0 DAC1R_TO_SPK MIXR 0 Right DAC to SPKMIXR Mute 0 = Mute 1 = Un-mute Register 36h Speaker Mixer REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R55 (37h) Additional Control 7 LINEOUT1_FB 0 Enable ground loop noise feedback on LINEOUT1 0 = Disabled 1 = Enabled 6 LINEOUT2_FB 0 Enable ground loop noise feedback on LINEOUT2 0 = Disabled 1 = Enabled 0 VROI 0 Buffered VMID to Analogue Line Output Resistance (Disabled Outputs) 0 = 20kohm from buffered VMID to output 1 = 500ohm from buffered VMID to output Register 37h Additional Control REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R56 (38h) AntiPOP (1) 7 LINEOUT_VMID_ BUF_ENA 0 Enables VMID reference for line outputs in single-ended mode 0 = Disabled 1 = Enabled 6 HPOUT2_IN_EN A 0 HPOUT2MIX Mixer and Input Stage Enable 0 = Disabled 1 = Enabled 5 LINEOUT1_DISC H 0 Discharges LINEOUT1P and LINEOUT1N outputs 0 = Not active 1 = Actively discharging LINEOUT1P and LINEOUT1N 4 LINEOUT2_DISC H 0 Discharges LINEOUT2P and LINEOUT2N outputs 0 = Not active 1 = Actively discharging LINEOUT2P and LINEOUT2N Register 38h AntiPOP (1) |
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