Регистры H616: DAC Debug Register

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

Unused

Bits 31 : 12

DAC_MODU_SELECT

Bit 11
R/W
0x0

DAC Modulator Debug
0: DAC Modulator Normal Mode
1: DAC Modulator Debug Mode

DAC_PATTERN_SELECT

Bits 10 : 9
R/W
0x0

DAC Pattern Select
00: Normal (Audio Sample from TX FIFO)
01: -6 dB Sin wave
10: -60 dB Sin wave
11: Silent wave

CODEC_CLK_SELECT

Bit 8
R/W
0x0

CODEC Clock Source Select
0: CODEC Clock from PLL
1: CODEC Clock from OSC (for Debug)

Unused

Bit 7

DA_SWP

Bit 6
R/W
0x0

DAC Output Channel Swap Enable
0:Disable
1:Enable

Unused

Bits 5 : 2

ADDA_LOOP_MODE

Bits 1 : 0
R/W
0x0

ADDA Loop Mode Select
00: Disable
01: ADDA LOOP MODE DACL/DACR connect to ADCL/ADCR
10: ADDA LOOP MODE DACL/DACR connect to ADCX/ADCY
11: Reserved

Bit fields structure

typedef union ac_dac_dg { struct { unsigned adda_loop_mode : 2; unsigned unused0 : 4; unsigned da_swp : 1; unsigned unused1 : 1; unsigned codec_clk_select : 1; unsigned dac_pattern_select : 2; unsigned dac_modu_select : 1; unsigned unused2 : 20; } b; unsigned long w; } AC_DAC_DG