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WM8980CGEFL/V Datasheet(PDF) 88 Page - Wolfson Microelectronics plc |
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WM8980CGEFL/V Datasheet(HTML) 88 Page - Wolfson Microelectronics plc |
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88 / 123 page  WM8980 Pre-Production w PP, Rev 3.8, May 2012 88 3. Enable unused output chosen from L/ROUT2, OUT3 or OUT4. If unused output not available, chose one of these outputs not required at power up. 4. Set BUFDCOPEN = 1 and BUFIOEN = 1 in register R1. 5. Set SPKBOOST = 1 in register R49. 6. Set VMIDSEL[1:0] to required value in register R1. Wait for the VMID supply to settle. *Refer notes 1 and 2. 7. Set L/RMIXEN = 1 and DACENL/R = 1 in register R3. 8. Set BIASEN = 1 in register R1. 9. Set L/ROUT2EN = 1 in register R3. *Note 3. 10. Enable other mixers as required. 11. Enable other outputs as required. 12. Set remaining registers. Power Down (all cases): 1. Mute all analogue outputs. 2. Disable Power Management Register 1. R1 = 0x00. 3. Disable Power Management Register 2. R2 = 0x00. 4. Disable Power Management Register 3. R3 = 0x00. 5. Remove external power supplies. |
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