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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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WM8903CLGEFK/R Datenblatt(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8903CLGEFK/R Datenblatt(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 178 page  Production Data WM8903 w PD, Rev 4.5, June 2012 7 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 DGND Supply Digital ground (return path for DCVDD and DBVDD) 2 MCLK Digital Input Master clock for CODEC 3 GPIO2/ DMIC_DAT Digital Input/Output GPIO2 / Digital microphone data input 4 GPIO1/ DMIC_LR Digital Input/Output GPIO1 / Digital microphone clock output 5 INTERRUPT Digital Output Interrupt output / GPIO4 6 BCLK Digital Input/Output Audio interface bit clock / GPIO5 7 DACDAT Digital Input DAC digital audio data 8 LRC Digital Input/Output Audio interface left / right clock (common for ADC and DAC) 9 ADCDAT Digital Output ADC digital audio data 10 CPVDD Supply Charge pump power supply 11 CFB1 Analogue Output Charge pump flyback capacitor pin 12 CPGND Supply Charge pump ground 13 CFB2 Analogue Output Charge pump flyback capacitor pin 14 VPOS Analogue Output Charge pump positive supply decoupling (powers HPOUTL/R, LINEOUTL/R) 15 VNEG Analogue Output Charge pump negative supply decoupling (powers HPOUTL/R, LINEOUTL/R) 16 HPOUTR Analogue Output Right headphone output (line or headphone output) 17 HPGND Analogue Input Headphone ground 18 HPOUTL Analogue Output Left headphone output (line or headphone output) 19 LINEOUTR Analogue Output Right line output 1 (line output) 20 LINEGND Analogue Input Line-out ground 21 LINEOUTL Analogue Output Left line output 1 (line output) 22 LOP Analogue Output Left differential output positive side 23 LON Analogue Output Left differential output negative side 24 AVDD Supply Analogue power supply (powers analogue inputs, reference, ADC, DAC, LOP, LON, ROP, RON) 25 VMID Analogue Output Midrail voltage decoupling capacitor 26 AGND Supply Analogue power return 27 RON Analogue Output Right differential output negative side 28 ROP Analogue Output Right differential output positive side 29 MICBIAS Analogue Output Microphone bias 30 IN3R Analogue Input Right channel input 3 31 IN2R Analogue Input Right channel input 2 32 IN1R Analogue Input Right channel input 1 33 IN3L Analogue Input Left channel input 3 34 IN2L Analogue Input Left channel input 2 35 IN1L Analogue Input Left channel input 1 36 SDIN Digital Input/Output Control interface data Input / 2-wire acknowledge output 37 SCLK Digital Input Control interface clock Input 38 GPIO3 /ADDR Digital Input/Output GPIO3 / control interface address selection 39 DCVDD Supply Digital core supply 40 DBVDD Supply Digital buffer supply (powers audio interface and control interface) |
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