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WM8595 датащи(PDF) 53 Page - Wolfson Microelectronics plc |
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WM8595 датащи(HTML) 53 Page - Wolfson Microelectronics plc |
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53 / 82 page ![]() Production Data WM8595 w PD, Rev 4.2, January 2011 53 Figure 27 R3 – DAC1 Control Register 2 R5 (05h) – DAC1L Digital Volume Control Register (DAC1L_VOL) Bit # 15 14 13 12 11 10 9 8 Read 0 0 0 0 0 0 0 DAC1L_VU Write N/A N/A N/A N/A N/A N/A N/A Default 0 0 0 0 0 0 0 0 Bit # 7 6 5 4 3 2 1 0 Read DAC1L_VOL[7:0] Write Default 1 1 0 0 1 0 0 0 N/A = Not Applicable (no function implemented) Function Description DAC1L_VOL[7:0] DAC1L Digital Volume 0000 0000 = -100dB 0000 0001 = -99.5dB 0000 0010 = -99dB …0.5dB steps 1100 1000 = 0dB …0.5dB steps 1101 1111 = +11.5dB 111X XXXX = +12dB DAC1L_VU DAC1L Digital Volume Update 0 = Latch DAC1L_VOL[7:0] into Register Map but do not update volume 1 = Latch DAC1L_VOL[7:0] into Register Map and update left and right channels simultaneously Figure 28 R5 – DAC1L Digital Volume Control Register R3 (03h) – DAC1 Control Register 2 (DAC1_CTRL2) Bit # 15 14 13 12 11 10 9 8 Read 0 0 0 0 0 0 0 0 Write N/A N/A N/A N/A N/A N/A N/A N/A Default 0 0 0 0 0 0 0 0 Bit # 7 6 5 4 3 2 1 0 Read 0 0 0 0 0 DAC1_SR[2:0] Write N/A N/A N/A N/A N/A Default 0 0 0 0 0 0 0 0 N/A = Not Applicable (no function implemented) Function Description DAC1_SR[2:0] DAC1 MCLK:LRCLK Ratio 000 = Auto detect 001 = 128fs 010 = 192fs 011 = 256fs 100 = 384fs 101 = 512fs 110 = 768fs 111 = 1152fs |
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