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WM8960 数据表(PDF) 68 Page - Wolfson Microelectronics plc |
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WM8960 数据表(HTML) 68 Page - Wolfson Microelectronics plc |
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68 / 92 page  WM8960 Production Data w PD, August 2013, Rev 4.2 68 REGISTER BITS BY ADDRESS REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R0 (00h) Left Input Volume 8 IPVU N/A Input PGA Volume Update Writing a 1 to this bit will cause left and right input PGA volumes to be updated (LINVOL and RINVOL) Input Signal Path 7 LINMUTE 1 Left Input PGA Analogue Mute 1 = Enable Mute 0 = Disable Mute Note: IPVU must be set to un-mute. Input Signal Path 6 LIZC 0 Left Input PGA Zero Cross Detector 1 = Change gain on zero cross only 0 = Change gain immediately Input Signal Path 5:0 LINVOL[5:0] 010111 Left Input PGA Volume Control 111111 = +30dB 111110 = +29.25dB . . 0.75dB steps down to 000000 = -17.25dB Input Signal Path R1 (01h) Right Input Volume 8 IPVU N/A Input PGA Volume Update Writing a 1 to this bit will cause left and right input PGA volumes to be updated (LINVOL and RINVOL) Input Signal Path 7 RINMUTE 1 Right Input PGA Analogue Mute 1 = Enable Mute 0 = Disable Mute Note: IPVU must be set to un-mute. Input Signal Path 6 RIZC 0 Right Input PGA Zero Cross Detector 1 = Change gain on zero cross only 0 = Change gain immediately Input Signal Path 5:0 RINVOL[5:0] 010111 Right Input PGA Volume Control 111111 = +30dB 111110 = +29.25dB . . 0.75dB steps down to 000000 = -17.25dB Input Signal Path R2 (02h) LOUT1 Volume 8 OUT1VU N/A Headphone Output PGA Volume Update Writing a 1 to this bit will cause left and right headphone output volumes to be updated (LOUT1VOL and ROUT1VOL) Analogue Outputs 7 LO1ZC 0 Left Headphone Output Zero Cross Enable 0 = Change gain immediately 1 = Change gain on zero cross only Analogue Outputs 6:0 LOUT1VOL[6:0] 0000000 LOUT1 Volume 1111111 = +6dB … 1dB steps down to 0110000 = -73dB 0101111 to 0000000 = Analogue MUTE Analogue Outputs R3 (03h) ROUT1 Volume 8 OUT1VU N/A Headphone Output PGA Volume Update Writing a 1 to this bit will cause left and right headphone output volumes to be updated (LOUT1VOL and ROUT1VOL) Analogue Outputs 7 RO1ZC 0 Right Headphone Output Zero Cross Enable 0 = Change gain immediately 1 = Change gain on zero cross only Analogue Outputs |
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