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WM8993 Datasheet(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8993 Datasheet(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 229 page  Production Data WM8993 w PD, November 2010, Rev 4.0 7 PIN DESCRIPTION PIN NO NAME TYPE DESCRIPTION A5 MICBIAS1 Analogue Output Microphone bias B5 MICBIAS2 Analogue Output Microphone bias C5 IN1LN Analogue Input Left channel single-ended MIC input / Left channel negative differential MIC input D5 IN1LP Analogue Input Left channel line input / Left channel positive differential MIC input B6 IN2LN/GI7 Analogue Input / Digital Input Left channel line input / Left channel negative differential MIC input / B7 IN2LP/VRXN Analogue Input Left channel line input / Left channel positive differential MIC input / Mono differential negative input (RXVOICE -) C3 IN1RN Analogue Input Right channel single-ended MIC input / Right channel negative differential MIC input C4 IN1RP Analogue Input Right channel line input / Right channel positive differential MIC input A6 IN2RN/GI8 Analogue Input / Digital Input Right channel line input / Right channel negative differential MIC input / A7 IN2RP/VRXP Analogue Input Left channel line input / Left channel positive differential MIC input / Mono differential positive input (RXVOICE +) E2 DCVDD Supply Digital core supply D2 DGND Supply Digital ground (Return path for both DCVDD and DBVDD) E1 DBVDD Supply Digital buffer (I/O) supply E6 AVDD1 Supply Analogue core supply C7 AVDD2 Supply Analogue class D and FLL supply D7 AGND Supply Analogue ground (Return path for AVDD1) F7 CPVDD Supply Charge pump supply G7 CPGND Supply Charge pump ground (Return path for CPVDD) C2 SPKVDD Supply Supply for speaker driver D1 SPKGND Supply Ground for speaker driver (Return path from SPKVDD) F5 CPVOUTP Analogue Output Charge pump positive supply decoupling pin (HPOUT1L, HPOUT1R) G5 CPVOUTN Analogue Output Charge pump negative supply decoupling pin (HPOUT1L, HPOUT1R) F6 CPFB1 Analogue Output Charge pump flyback capacitor pin G6 CPFB2 Analogue Output Charge pump flyback capacitor pin F2 MCLK Digital Input Master clock G2 BCLK Digital Input / Output Audio interface bit clock G1 LRCLK Digital Input / Output Audio interface left / right clock E5 DACDAT Digital Input DAC digital audio data E4 ADCDAT Digital Output ADC digital audio data F1 SCLK Digital Input Control interface clock input F3 SDAT Digital Input / Output Control interface data input and output / 2-wire acknowledge output A1 SPKOUTLP Analogue Output Left speaker positive output B1 SPKOUTLN Analogue Output Left speaker negative output C1 SPKOUTRP Analogue Output Right speaker positive output B2 SPKOUTRN Analogue Output Right speaker negative output E3 SPKMONO Digital Input 2W Mono/1W Stereo speaker select G3 HPOUT1L Analogue Output Left headphone output F4 HPOUT1R Analogue Output Right headphone output G4 HPOUT1FB Analogue Input HPOUT1L and HPOUT1R ground loop noise rejection feedback D6 HPOUT2P Analogue Output Earpiece speaker non-inverted output E7 HPOUT2N Analogue Output Earpiece speaker inverted output |
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