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WM8980CGEFL/V Datasheet(PDF) 5 Page - Wolfson Microelectronics plc |
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WM8980CGEFL/V Datasheet(HTML) 5 Page - Wolfson Microelectronics plc |
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5 / 123 page  Pre-Production WM8980 w PP, Rev 3.8, May 2012 5 PIN DESCRIPTION PIN NAME TYPE DESCRIPTION 1 L2/GPIO2 Analogue input Left channel line input/secondary mic pre-amp positive input/GPIO2 pin 2 RIP Analogue input Right Mic Pre-amp positive input 3 RIN Analogue input Right Mic Pre-amp negative input 4 R2/GPIO3 Analogue input Right channel line input/secondary mic pre-amp positive input/GPIO3 pin 5 VBGND Supply Video buffer ground pin 6 VBIN Analogue input Video buffer signal input 7 VBREF Analogue output Video buffer reference resistor pin 8 VBOUT Analogue output Video buffer output 9 VBVDD Supply Video buffer analogue supply 10 NC Not internally connected 11 LRC Digital Input / Output DAC and ADC Sample Rate Clock 12 BCLK Digital Input / Output Digital Audio Bit Clock 13 ADCDAT Digital Output ADC Digital Audio Data Output 14 DACDAT Digital Input DAC Digital Audio Data Input 15 MCLK Digital Input Master Clock Input 16 DGND Supply Digital ground 17 DCVDD Supply Digital core logic supply 18 DBVDD Supply Digital buffer (I/O) supply 19 CSB/GPIO1 Digital Input / Output 3-Wire Control Interface Chip Select / GPIO1 pin 20 SCLK Digital Input 3-Wire Control Interface Clock Input / 2-Wire Control Interface Clock Input 21 SDIN Digital Input / Output 3-Wire Control Interface Data Input / 2-Wire Control Interface Data Input 22 MODE Digital Input Control Interface Selection 23 GPIO4 Digital input/output General purpose input/output 4 24 NC Not internally connected 25 AUXL Analogue input Left Auxilary input 26 AUXR Analogue input Right Auxilary input 27 OUT4 Analogue Output Buffered midrail Headphone pseudo-ground, or Right line output or MONO mix output 28 OUT3 Analogue Output Buffered midrail Headphone pseudo-ground, or Left line output 29 ROUT2 Analogue Output Second right output, or BTL speaker driver negative output 30 SPKGND Supply Speaker ground (feeds speaker amp and OUT3/OUT4) 31 LOUT2 Analogue Output Second left output, or BTL speaker driver positive output 32 SPKVDD Supply Speaker supply (feeds speaker amp only) 33 VMID Reference Decoupling for ADC and DAC reference voltage 34 AGND Supply Analogue ground (feeds ADC and DAC) 35 ROUT1 Analogue Output Headphone or Line Output Right 36 LOUT1 Analogue Output Headphone or Line Output Left 37 AVDD Supply Analogue supply (feeds ADC and DAC) 38 MICBIAS Analogue Output Microphone Bias 39 LIP Analogue input Left Mic Pre-amp positive input 40 LIN Analogue input Left Mic Pre-amp negative input Note: It is recommended that the QFN ground paddle should be connected to analogue ground on the application PCB. |
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