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WM8962B Datasheet(PDF) 8 Page - Wolfson Microelectronics plc |
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WM8962B Datasheet(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 295 page  WM8962 8 Rev 4.3 PIN DESCRIPTION PIN NO NAME TYPE DESCRIPTION A1 SPKOUTLP Analogue Output Left speaker positive output A2 SPKVDD1 Supply Supply for left speaker drivers A3 MICVDD Supply Microphone bias amp supply A4 MICBIAS Reference Microphone bias A5 HPOUTR Analogue Output Right output (Line or headphone) A6 CPVOUTP Supply Charge pump positive supply (powers HPOUTL, HPOUTR) A7 CPVOUTN Supply Charge pump negative supply (powers HPOUTL, HPOUTR) B1 SPKGND1 Supply Ground for left speaker drivers B2 SPKOUTRP Analogue Output Right speaker positive output B3 SPKOUTLN Analogue Output Left speaker negative output B4 HPOUTFB Analogue Input HPOUTL/R ground loop noise rejection feedback B5 HPOUTL Analogue Output Left output (Line or headphone) B6 CPCA Analogue Input Charge pump fly-back capacitor pin B7 CPCB Analogue Input Charge pump fly-back capacitor pin C1 SPKGND2 Supply Ground for right speaker drivers C2 SPKVDD2 Supply Supply for right speaker drivers C3 SPKOUTRN Analogue Output Right speaker negative output C4 IN1L Analogue Input Left channel single-ended input 1 C5 VMIDC Reference Mid-rail voltage (AVDD/2) - (requires decoupling capacitor) C6 CPVDD Supply Charge pump power supply C7 CPGND Supply Charge pump ground (return path for CPVDD) D1 DACDAT Digital Input DAC digital audio data D2 ADCDAT Digital Output ADC digital audio data D3 LRCLK Digital Input / Output Audio interface left / right clock D4 IN1R Analogue Input Right channel single-ended input 1 D5 IN2L Analogue Input Left channel single-ended input 2 D6 AVDD Supply Analogue supply D7 AGND Supply Analogue ground (return path for AVDD and MICVDD) E1 BCLK Digital Input / Output Audio interface bit clock E2 SDA Digital Input / Output Control interface data input / 2-wire acknowledge output E3 CS ¯¯ /GPIO6 Digital Input / Output CS ¯¯ input / Digital Microphone input / General purpose input / output E4 CLKOUT2/GPIO2 Digital Output PLL2 Clock output / General purpose input / output E5 IN2R Analogue Input Right channel single-ended input 2 E6 IN4L Analogue Input Left channel single-ended input 4 E7 IN4R Analogue Input Right channel single-ended input 4 F1 SCLK Digital Input Control interface clock input F2 CIFMODE Digital Input Selects 2-wire or 3 / 4-wire control wire interface F3 DGND Supply Digital ground F4 CLKOUT3/GPIO3 Digital Output PLL3 / FLL Clock output / GPIO F5 IN3L Analogue Input Left channel single-ended input 3 F6 IN3R Analogue Input Right channel single-ended input 3 F7 XTO Analogue Output xtal output G1 GPIO5 Digital Input / Output Digital Microphone Input / General purpose input / output Important: See page 175 for start-up requirements. G2 DCVDD Supply Digital Core Supply G3 DBVDD Supply Digital Buffer Supply G4 PLLVDD Supply PLL Supply G5 PLLGND Supply PLL Ground G6 CLKOUT5 Analogue Output FLL / Oscillator Clock output G7 MCLK / XTI Digital Input Master clock input / xtal input |
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