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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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WM8281ECS/R Datenblatt(PDF) 382 Page - Cirrus Logic |
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WM8281ECS/R Datenblatt(HTML) 382 Page - Cirrus Logic |
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382 / 392 page  WM8281 382 Rev 4.0 RECOMMENDED EXTERNAL COMPONENTS DIAGRAM WM8281 VREFC GPIO GPIO3 CIF1MISO/GPIO4 GPIO5 CIF2SDA CIF2SCLK Control Interface 2 MCLK1 MCLK2 Master Clocks GPIO1 GPIO2 CIF1ADDR/CIF1SS CIF1SCLK CIF1SDA/CIF1MOSI CIF1MODE Control Interface 1 HPOUT1R HPOUT1FB1/MICDET2 HPOUT1L Headphone (Note: HPOUT1FB ground connection close to headset jack) HPDETL HPDETR JACKDET Jack Detect input HPOUT3R HPOUT3FB HPOUT3L HPOUT2R HPOUT2FB HPOUT2L Line Output (Note: HPOUT2FB ground connection close to headset jack) Earpiece Speaker Outputs HPOUT1, HPOUT2 and HPOUT3 can be configured as Stereo pairs or Differential Mono. Digital Speaker (PDM) interface SPKCLK1 SPKDAT1 SPKCLK2 SPKDAT2 SPKOUTLN SPKOUTRP SPKOUTRN SPKOUTLP Loudspeaker Loudspeaker CP2CA CP2VOUT CP2CB 470nF 4.7 F CP1C1A CP1VOUT1N CP1VOUT1P CP1C1B 2.2 F 4.7 F 4.7 F CP1C2A CP1VOUT2N CP1VOUT2P CP1C2B 2.2 F 4.7 F 4.7 F GPSWA GPSWB LDOVDD CPVDD 4.7 F 4.7 F 4.2V 1.8V SPKVDDL 4.7 F DBVDD1 DBVDD2 DBVDD3 2 x 1.0 F SPKVDDR AVDD1 AVDD2 4 x 0.1 F 2.2 F 220 (1%) MICBIAS2 MICBIAS1 MICBIAS3 MICVDD Bias / Supplies for Microphones and External Accessory Detection 4.7 F MICDET1/HPOUT1FB2 AIF1RXDAT AIF1LRCLK AIF1BCLK AIF1TXDAT Audio Interface 1 AIF2RXDAT AIF2LRCLK AIF2BCLK AIF2TXDAT Audio Interface 2 Audio Interface 3 AIF3RXDAT AIF3LRCLK AIF3BCLK AIF3TXDAT LDOENA LDO Control RESET Reset Control IRQ Interrupt Output SLIMDAT SLIMCLK SLIMbus Interface MCLK2 MCLK1 Master Clocks IN1LP IN2LP IN1RN/DMICDAT1 IN1RP IN2LN/DMICCLK2 IN1LN/DMICCLK1 IN2RP IN2RN/DMICDAT2 1 F 1 F 1 F Analogue and Digital Inputs IN3LP DMICCLK4 IN3RN/DMICDAT3 IN3RP IN3LN/DMICCLK3 DMICDAT4 1 F DMIC CLK DAT CLK DAT VDD CHAN 2.2k 2.2k MICBIAS1 MICBIAS2 DMIC GND VDD CHAN GND Differential Microphone connection Single-ended Line connection Stereo Digital Microphone connection LDOVOUT DCVDD 2 x 2.2 F DCVDD (Note: 2 x DCVDD decoupling capacitors are recommended; one close to each DCVDD pin) |
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