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WM8904ECS/R Datasheet(PDF) 157 Page - Wolfson Microelectronics plc |
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WM8904ECS/R Datasheet(HTML) 157 Page - Wolfson Microelectronics plc |
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157 / 188 page  Pre-Production WM8904 w PP, Rev 3.3, September 2012 157 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R46 (2Eh) Analogue Left Input 1 6 INL_CM_ENA 1 Left Input PGA Common Mode Rejection enable 0 = Disabled 1 = Enabled (only available for L_MODE=01 – Differential Line) Input PGA Common Mode Amplifier 5:4 L_IP_SEL_N [1:0] 00 In Single-Ended or Differential Line Modes, this field selects the input pin for the inverting side of the left input path. In Differential Mic Mode, this field selects the input pin for the non-inverting side of the left input path. 00 = IN1L 01 = IN2L 1X = IN3L Analogue Input Signal Path 3:2 L_IP_SEL_P [1:0] 01 In Single-Ended or Differential Line Modes, this field selects the input pin for the non-inverting side of the left input path. In Differential Mic Mode, this field selects the input pin for the inverting side of the left input path. 00 = IN1L 01 = IN2L 1X = IN3L Analogue Input Signal Path 1:0 L_MODE [1:0] 00 Sets the mode for the left analogue input: 00 = Single-Ended 01 = Differential Line 10 = Differential MIC 11 = Reserved Analogue Input Signal Path Register 2Eh Analogue Left Input 1 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R47 (2Fh) Analogue Right Input 1 6 INR_CM_ENA 1 Right Input PGA Common Mode Rejection enable 0 = Disabled 1 = Enabled (only available for R_MODE=01 – Differential Line) Input PGA Common Mode Amplifier 5:4 R_IP_SEL_N [1:0] 00 In Single-Ended or Differential Line Modes, this field selects the input pin for the inverting side of the right input path. In Differential Mic Mode, this field selects the input pin for the non-inverting side of the right input path. 00 = IN1R 01 = IN2R 1X = IN3R Analogue Input Signal Path 3:2 R_IP_SEL_P [1:0] 01 In Single-Ended or Differential Line Modes, this field selects the input pin for the non-inverting side of the right input path. In Differential Mic Mode, this field selects the input pin for the inverting side of the right input path. 00 = IN1R 01 = IN2R 1X = IN3R Analogue Input Signal Path 1:0 R_MODE [1:0] 00 Sets the mode for the right analogue input: 00 = Single-Ended 01 = Differential Line 10 = Differential MIC 11 = Reserved Analogue Input Signal Path Register 2Fh Analogue Right Input 1 |
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