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WM8941 Datasheet(PDF) 6 Page - Wolfson Microelectronics plc |
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WM8941 Datasheet(HTML) 6 Page - Wolfson Microelectronics plc |
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6 / 96 page  WM8941 Pre Production w PP, Rev 3.3, December 2007 6 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 MICBIAS Analogue Output Microphone bias 2 AVDD Supply Analogue supply 3 AGND Supply Analogue ground 4 DCVDD Supply Digital Supply (Core) 5 DBVDD Supply Digital supply (Input/Output) 6 DGND Supply Digital ground 7 ADCDAT Digital Output ADC digital audio data output 8 DACDAT Digital Input DAC digital audio data input 9 FRAME Digital Input / Output DAC and ADC sample rate clock or frame synch 10 BCLK Digital Input / Output Digital audio port clock 11 MCLK Digital Input Master clock input 12 CSB/GPIO Digital Input / Output 3-Wire control interface chip select or GPIO pin 13 MODE/GPIO Digital Input Control interface mode selection or GPIO pin 14 SCLK Digital Input 3-Wire control interface clock Input / 2-Wire control interface clock input 15 SDIN Digital Input / Output 3-Wire control interface data Input / 2-Wire control interface data input 16 VBVDD Supply Vide buffer supply 17 VBOUT Analogue Output Video buffer TV output 18 VBREF Analogue Output Video buffer reference pin 19 VBIN Analogue Input Video buffer input 20 MONOOUT Analogue Output Mono output 21 SPKOUTP Analogue Output Speaker output positive 22 SPKGND Supply Speaker ground 23 SPKOUTN Analogue Output Speaker output negative 24 SPKVDD Supply Speaker supply 25 AUX Analogue Input Auxiliary analogue input 26 VMID Reference Decoupling for midrail reference voltage 27 MICN Analogue Input Microphone negative input (common mode) 28 MICP Analogue Input Microphone positive input Note: 1. It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB. 2. Refer to the application note WAN_0118 on “Guidelines on How to Use QFN Packages and Create Associated PCB Footprints” |
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Similar Description - WM8941 |
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