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WM8850 Datasheet(PDF) 10 Page - Wolfson Microelectronics plc |
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WM8850 Datasheet(HTML) 10 Page - Wolfson Microelectronics plc |
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10 / 223 page  WM8850 Pre-Production w PP, April 2011, Rev 3.2 10 PIN DESCRIPTION PIN NO NAME TYPE DESCRIPTION 1 VIN1LP Analogue input Left channel 1 positive input 2 VIN1LN Analogue input Left channel 1 negative input 3 VIN1RP Analogue input Right channel 1 positive input 4 VIN1RN Analogue input Right channel 1 negative input 5 VIN2LP Analogue input Left channel 2 positive input 6 VIN2LN Analogue input Left channel 2 negative input 7 VIN2RP Analogue input Right channel 2 positive input 8 VIN2RN Analogue input Right channel 2 negative input 9 MICBIAS Analogue output Microphone bias output 10 GPIO1 Digital input / output General purpose digital input/output 1 11 GPIO2 Digital input / output General purpose digital input/output 2 12 SPDIFIN Digital input S/PDIF Input 13 /RESET Digital input Global reset (active low) 14 SYNC Digital input HDA frame sync, 48kHz 15 SDO Digital input Serial data output from HDA controller 16 BCLK Digital input HDA Link bit clock, 24MHz 17 SDI Digital input / output Serial data input to HDA controller 18 SPDIFOUT1 Digital output S/PDIF output 1 19 DBVDD Supply input Digital buffer supply input 20 DGND Supply input Digital ground (return for DBVDD and DCVDD) 21 DCVDD Supply input Digital core supply input 22 DMICCLK Digital output Digital microphone clock output 23 DMICDAT1 Digital input Digital microphone data input 1 24 DMICDAT2/ SPDIFOUT2 Digital input / output Digital microphone data input 2 / S/PDIF output 2 25 VOUT3RN Analogue output Right channel 3 negative output 26 VOUT3RP Analogue output Right channel 3 positive output 27 VOUT3LN Analogue output Left channel 3 negative output 28 VOUT3LP Analogue output Left channel 3 positive output 29 VOUT2RN Analogue output Right channel 2 negative output 30 VOUT2RP Analogue output Right channel 2 positive output 31 VOUT2LN Analogue output Left channel 2 negative output 32 VOUT2LP Analogue output Left channel 2 positive output 33 VOUT1R Analogue output Right channel 1 output 34 VOUT1L Analogue output Left channel 1 output 35 HPVSS Supply output Charge pump negative supply decoupling point 36 HPVDD Supply output Charge pump positive supply decoupling point 37 CFB2 Analogue output Charge pump flyback capacitor pin 2 38 HPGND Supply input Charge pump ground (return path for HPVDD and HPVSS) 39 CFB1 Analogue output Charge pump flyback capacitor pin 1 40 CPCAP Supply output Internally generated regulated charge pump supply decoupling point 41 CPVDD Supply input Charge pump supply input 42 AGND Supply input Analogue ground (return path for AVDD and CPVDD) 43 AVDD Supply input Analogue supply input 44 VREFP Analogue output Analogue positive reference decoupling point 45 VMID Analogue output Midrail voltage decoupling point 46 VREFN Analogue output Analogue negative reference decoupling point 47 JACKDET1 Analogue output Jack detect sense 1 48 JACKDET2 Analogue output Jack detect sense 2 |
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