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WM9713 Datasheet(PDF) 89 Page - Wolfson Microelectronics plc |
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WM9713 Datasheet(HTML) 89 Page - Wolfson Microelectronics plc |
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89 / 111 page  Preliminary Technical Data WM9713L 1 PTD, March 2004, Rev 2.2 89 REGISTER BITS BY ADDRESS REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 14:10 SE [4:0] 11000 Indicates a codec from Wolfson Microelectronics 9:6 ID9:6 0101 Indicates 18 bits resolution for ADCs and DACs 5 ID5 1 Indicates that the WM9713L supports bass boost 4 ID4 1 Indicates that the WM9713L has a headphone output 3 ID3 0 Indicates that the WM9713L does not support simulated stereo 2 ID2 1 Indicates that the WM9713L supports bass and treble control 1 ID1 0 Indicates that the WM9713L does not support modem functions 00h 0 ID0 0 Indicates that the WM9713L does not have a dedicated microphone ADC Intel’s AC’97 Component Specification, Revision 2.2, page 50 Register 00h is a read-only register. Writing any value to this register resets all registers to their default, but does not change the contents of reg. 00h. Reading the register reveals information about the codec to the driver, as required by the AC’97 Specification, Revision 2.2 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 15 MUL 1 (mute) Mutes SPKL 14 ZCL 0 (OFF) Enables zero-cross detector on SPKL 13:8 SPKLVOL 000000 (0dB) SPKL volume 7 MUR 1 (mute) Mutes SPKR 7 ZCR 0 (OFF) Enables zero-cross detector on SPKR 02h 5:0 SPKRVOL 000000 (0dB) SPKR volume Analogue Audio Outputs Register 02h controls the output pins SPKL and SPKR. REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 15 MUL 1 (mute) Mutes HPL 14 ZCL 0 (OFF) Enables zero-cross detector on HPL 13:8 HPL VOL 000000 (0dB) HPL volume 7 MUR 1 (mute) Mutes HPR 6 ZCR 0 (OFF) Enables zero-cross detector on HPR 04h 5:0 HPR VOL 000000 (0dB) HPR volume Analogue Audio Outputs Register 04h controls the headphone output pins, HPL and HPR. REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO 15 MU4 1 (mute) Mutes OUT4 14 ZC4 0 (OFF) Enables zero-cross detector 13:8 OUT4VOL 000000 (0dB) OUT4 volume 7 MU3 1 (mute) Mutes OUT3 6 ZC3 0 (OFF) Enables zero-cross detector 06h 5:0 OUT3VOL 000000 (0dB) OUT3 volume Analogue Audio Outputs Register 06h controls the analogue output pins OUT3 and OUT4. |
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