SGTL5000 Register configuration

[kevinliu]

hello, i only use HP_R pin to playback music. Play out of the music is very strange, have great noise

CHIP_ANA_POWER         0x4260

CHIP_LINREG_CTR L       0x006C

CHIP_REF_CTRL              0x01FE

CHIP_LINE_OUT_CTRL    0x0322

CHIP_REF_CTRL              0x01FF

CHIP_SHORT_CTRL         0x1106

CHIP_ANA_CTRL               0x0133

CHIP_ANA_POWER          0x6AFF

CHIP_DIG_POWER           0x0073

CHIP_LINE_OUT_VOL       0x0F0F

CHIP_CLK_CTRL               0x0004 (256fs, 44100)

CHIP_I2S_CTRL                 0x0130  (16bit , 32fs)

output routing is I2S_IN->DAC->HP_R

VDDD is 1.8V, VDDA is 3.4V, VDDIO is 3.4V, VDDD is external drive

What is the problem register configuration?

Play out of the music is very strange

[xiangjun_rong]

Hi, Kevin,

As far as I know that the DSC can not communicate with SGTL5000 because the DSC does not have I2S interface. Can you tell me the processor you are using? do you use Kinetis tower board?

BR

Xiangjun Rong

[kevinliu]

imx28  saif