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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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WM8961 Scheda tecnica(PDF) 67 Page - Wolfson Microelectronics plc |
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WM8961 Scheda tecnica(HTML) 67 Page - Wolfson Microelectronics plc |
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67 / 116 page  WM8961 Pre-Production w PP, August 2009, Rev 3.1 67 The default values of the write control sequencer are given in Table 50 WSEQ _LOCATION WM8961 REG _INDEX EOS WIDTH START DATA DELAY COMMENT CUMULATIVE DELAY STARTUP TIME 0 8’h08 1’b0 3’h0 4’h4 8’h1 4’h0 CLK_DSP_ENA = 1 0.0005 0.0005 1 8’hFE 1’b0 3’h0 4’h0 8’h0 4’h0 Dummy Write for expansion 0.0005 0.0010 2 8’h1C 1’b0 3’h1 4’h3 8’h3 4’h0 BUFDCOPEN = 1, BUFIOEN = 1 ; Enable current bias circuits 0.0005 0.0015 3 8’h19 1’b0 3’h2 4’h6 8’h3 4’h0 VMIDSEL = 01, VREF = 1 ; VMID can be brought up fast, master bias enable 0.0005 0.0020 4 8’h48 1’b0 3’h0 4’h0 8’h01 4’h6 Enable Charge pump, wait 4.5ms 0.0045 0.0065 5 8’h1A 1’b0 3’h3 4’h5 8’hF 4’h0 LOUT1_PGA = 1, ROUT1_PGA = 1, DACL = 1, DACR = 1 0.0005 0.0070 6 8’h45 1’b0 3’h4 4’h0 8’h11 4’h0 Set HPL_ENA, HPR_ENA 0.0005 0.0075 7 8’h45 1’b0 3’h4 4’h1 8’h19 4’h0 Set HPL_EN_DLY, HPR_EN_DLY 0.0005 0.0080 8 8’h02 1’b0 3’h6 4’h0 8’h65 4’h0 LOUT1VOL to -20dB (7’b1100101) 0.0005 0.0085 9 8’h03 1’b0 3’h6 4’h0 8’h65 4’h0 ROUT1VOL to -20dB (7’b1100101) 0.0005 0.0090 10 8’h03 1’b0 3’h0 4’h8 8’h01 4’h0 OUT1VU 0.0005 0.0095 11 8’h3D 1’b0 3’h5 4’h2 8’h33 4’hC Enable Servo on outputs, trigger startup, wait 256ms 0.2560 0.2655 12 8’hFE 1’b0 3’h0 4’h0 8’h0 4’h0 Dummy Write for expansion 0.0005 0.2660 13 8’h07 1’b0 3’h1 4’h2 8’h0 4’h0 AIF WL = 16 bit 0.0005 0.2665 14 8’h45 1’b0 3’h4 4’h2 8’h1D 4’h0 Set HPL_ENA_OUTP & HPR_ENA_OUTP 0.0005 0.2670 15 8’h45 1’b0 3’h4 4’h3 8’h1F 4’h0 Set HPL_RMV_SHRT & HPR_RMV_SHRT 0.0005 0.2675 16 8’hFE 1’b0 3’h0 4’h0 8’h0 4’h0 Dummy Write for expansion 0.0005 0.2680 17 8’h5 1’b1 3’h0 4’h3 8’h0 4’h8 DAC Soft unmute, wait 16.5ms 0.0165 0.2845 18 8’h20 1’b0 3’h1 4’h4 8’h03 4’h0 LMICBOOST = 11 0.0005 0.0005 19 8’h21 1’b0 3’h1 4’h4 8’h03 4’h0 RMICBOOST = 11 0.0005 0.0010 20 8’h19 1’b0 3’h4 4’h1 8’h19 4’h0 AINL = 1, AINR = 1, MICB = 1 0.0005 0.0015 21 8’h3C 1’b0 3’h5 4’h2 8’h33 4’hC Enable Servo on inputs, trigger startup, wait 256ms 0.2560 0.2575 22 8’hFE 1’b0 3’h0 4’h0 8’h00 4’h0 Dummy Write for expansion 0.0005 0.2580 23 8’h19 1’b0 3’h1 4’h2 8’h3 4’h0 ADCL = 1, ADCR = 1 0.0005 0.2585 24 8’h20 1’b0 3’h1 4’h4 8’h0 4’h0 LMICBOOST = 00 0.0005 0.2590 25 8’h21 1’b0 3’h1 4’h4 8’h0 4’h0 RMICBOOST = 00 0.0005 0.2595 26 8’hFE 1’b1 3’h0 4’h0 8’h00 4’h0 Dummy Write for expansion 0.0005 0.2600 27 8’h5 1’b0 3’h0 4’h3 8’h1 4’h8 DAC Soft mute, wait 16.5ms 0.0165 0.0165 28 8’h00 1’b0 3’h0 4’h7 8’h01 4’h0 LINMUTE = 1 0.0005 0.0170 29 8’h01 1’b0 3’h1 4’h7 8’h03 4’h0 RINMUTE = 1, IPVU 0.0005 0.0175 |
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