Регистры H616: DAC Digital Part Control Register

31 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 16
15 |•|•|•|•|•|•|•|•|•|•|•|•|•|•|•|•| 00

EN_DA

Bit 31
R/W
0x0

DAC Digital Part Enable
0: Disable
1: Enable

Unused

Bits 30 : 29

MODQU

Bits 28 : 25
R/W
0x0

Internal DAC Quantization Levels
Levels=[7*(21+MODQU[3:0])]/128
Default levels=7*21/128=1.15

DWA

Bit 24
R/W
0x0

DWA Function Disable
0: Enable
1: Disable

Unused

Bits 23 : 19

HPF_EN

Bit 18
R/W
0x0

High Pass Filter Enable
0: Disable
1: Enable

DVOL

Bits 17 : 12
R/W
0x0

Digital volume control: DVC, ATT=DVC[5:0]*(-1.16dB)
64 steps, -1.16dB/step

Unused

Bits 11 : 1

HUB_EN

Bit 0
R/W
0x0

Audio Hub Enable
0: Disable
1: Enable

Bit fields structure

typedef union ac_dac_dpc { struct { unsigned hub_en : 1; unsigned unused0 : 11; unsigned dvol : 6; unsigned hpf_en : 1; unsigned unused1 : 5; unsigned dwa : 1; unsigned modqu : 4; unsigned unused2 : 2; unsigned en_da : 1; } b; unsigned long w; } AC_DAC_DPC