Datasheet

(-119.25dB To 71.25dB, 0.75dB/Step)
0x00: Mute
0x01: -119.25dB
………………
0x9F = -0.75dB
0xA0 = 0dB
0xA1 = 0.75dB
………………
0xFF = 71.25dB
Reg 4ch_DAC Digital Mixer Source Select Register
Default: 0x0000
Register Name: DAC_MXR_SRC
Bit
Read/Write
Default
Description
15:12
R/W
0x0
DACL_MXR_SRC
DAC left channel mixer source select
0: Disable 1:Enable
Bit15: I2S1_DA0L
Bit14: I2S1_DA1L
Bit13: Reserved
Bit12: ADCL
11:8
R/W
0x0
DACR_MXR_SRC
DAC right channel mixer source select
0: Disable 1:Enable
Bit11: I2S1_DA0R
Bit10: I2S1_DA1R
Bit9: Reserved
Bit8: ADCR
7:0
R/W
0x0
Reserved
Reg 4dh_DAC Digital Mixer Gain Control Register
Default: 0x0000
Register Name: DAC_MXR_GAIN
Bit
Read/Write
Default
Description
15:12
R/W
0x0
DACL_MXR_GAIN
DAC left channel mixer gain control
0: 0dB 1: -6dB
Bit15: I2S1_DA0L
Bit14: I2S1_DA1L
Bit13: Reserved
Bit12: ADCL
11:8
R/W
0x0
DACR_MXR_GAIN
DAC right channel mixer gain control
0: 0dB 1: -6dB
Bit11: I2S1_DA0R
Bit10: I2S1_DA1R
Bit9: Reserved
Bit8: ADCR