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WM8946ECS/R Datasheet(PDF) 141 Page - Wolfson Microelectronics plc |
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WM8946ECS/R Datasheet(HTML) 141 Page - Wolfson Microelectronics plc |
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141 / 175 page  Production Data WM8946 w PD, July 2012, Rev 4.3 141 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R52 (34h) Line R mixer control 2 6 BYPR_TO_OU TR_ATTEN 0 Right Input PGA (ADC bypass) to Right Output Mixer attenuation 0 = 0dB 1 = -6dB attenuation 3 DACL_TO_OU TR_ATTEN 0 Left DAC to Right Output Mixer attenuation 0 = 0dB 1 = -6dB attenuation 2 DACR_TO_OU TR_ATTEN 0 Right DAC to Right Output Mixer attenuation 0 = 0dB 1 = -6dB attenuation 1 AUX2_TO_OU TR_ATTEN 0 AUX2 Audio Input to Right Output Mixer attenuation 0 = 0dB 1 = -6dB attenuation 0 AUX1_TO_OU TR_ATTEN 0 AUX1 Audio Input to Right Output Mixer attenuation 0 = 0dB 1 = -6dB attenuation Register 34h Line R mixer control 2 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R53 (35h) LDO 15 LDO_ENA 0 LDO Enable 0 = Disabled 1 = Enabled 14 LDO_REF_SE L_FAST 0 LDO Voltage reference select 0 = VMID (normal) 1 = VMID (fast start) This field is only effective when LDO_REF_SEL = 0 13 LDO_REF_SE L 0 LDO Voltage reference select 0 = VMID 1 = Bandgap 12 LDO_OPFLT 0 LDO Output float 0 = Disabled (Output discharged when disabled) 1 = Enabled (Output floats when disabled) 5 LDO_BIAS_SR C 0 LDO Bias Source select 0 = Master Bias 1 = Start-Up Bias 4:0 LDO_VSEL [4:0] 0_0111 LDO Voltage select (Sets the LDO output as a ratio of the selected voltage reference. The voltage reference is set by LDO_REF_SEL.) 00111 = Vref x 1.97 (default) Register 35h LDO |
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