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WM8523 数据表(PDF) 39 Page - Wolfson Microelectronics plc |
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WM8523 数据表(HTML) 39 Page - Wolfson Microelectronics plc |
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39 / 51 page ![]() Production Data WM8523 w PD, Rev 4.1, August 2011 39 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R6 (06h) DAC_GAINL 9 DACL_VU 0 Left DAC Digital Volume Update 0 = Latch Left DAC volume setting into register map but do not update volume 1 = Latch Left DAC volume setting into register map and update left and right channels simultaneously Page 28 8:0 DACL_VOL[8:0] 1_1001_0000 Left DAC Digital Volume Control 0 0000 0000 = -100dB 0 0000 0001 = -99.75dB 0 0000 0010 = -99.5dB …0.25dB steps 1 1001 0000 = 0dB …0.25dB steps 1 1011 1110 = +11.75dB 1 11XX XXXX = +12dB Page 28 Register 06h DAC_GAINL REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R7 (07h) DAC_GAIN R 9 DACR_VU 0 Right DAC Digital Volume Update 0 = Latch Right DAC volume setting into register map but do not update volume 1 = Latch Right DAC volume setting into register map and update left and right channels simultaneously Page 28 8:0 DACR_VOL[8:0] 1_1001_0000 Right DAC Digital Volume Control 0 0000 0000 = -100dB 0 0000 0001 = -99.75dB 0 0000 0010 = -99.5dB …0.25dB steps 1 1001 0000 = 0dB …0.25dB steps 1 1011 1110 = +11.75dB 1 11XX XXXX = +12dB Page 28 Register 07h DAC_GAINR REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R8 (08h) ZERO_ DETECT 0 ZD_COUNT[1:0] 0 Zero Detect Count Control 0 = 1024 1 = 2048 Page 31 Register 08h ZERO_DETECT |
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