Realtek Ameba-D RTL872 D Series User Manual page 356

[1] DAC_L_SILENCE_DET_
MONO_AUTO_EN
[3:2] DAC_L_SILENCE_MONO
_DATA_BIT
[6:4] DAC_L_SILENCE_MONO
_LEVEL_SEL
[9:7] DAC_L_SILENCE_MONO
_DEBOUNCE_SEL
[10] DAC_L_SILENCE_DET_
MONO_O
[11] DAC_L_SILENECE_DET_
MONO_STATUS
[15:12] RSVD
17.6.2.29 0xF7
Address Bit Name
0xF7 [0] DAC_R_SILENCE_DET_
MONO_EN
[1] DAC_R_SILENCE_DET_
MONO_AUTO_EN
[3:2] DAC_R_SILENCE_MON
O_DATA_BIT
User Manual
R/W 1'b1 dac_l_silence data detection threshold automatically control

1'b0: dac_l_silence data threshold is determined by
'dac_l_silence_mono_level_sel'

1'b1: dac_l_silence data threshold is determined by
'dac_l_silence_mono_data_bit'
R/W 2'h0 dac_l_silence detection input data word length

2'b00: 16-bit, corresponding to dac_l_silence data threshold
=-78db

2'b01: 20-bit, corresponding to dac_l_silence data threshold
=-102db

2'b10: 24-bit, corresponding to dac_l_silence data threshold
=-126db

2'b11: 24-bit, corresponding to dac_l_silence data threshold
=-126db
R/W 3'h1 dac_l_silence data detection threshold register control

3'b000: -78db

3'b001: -84db

3'b010: -90db

3'b011: -102db

3'b100: -108db

3'b101: -114db

3'b110: -126db

3'b111: -132db
R/W 3'h3 dac_l_silence data detection debounce control

3'b000: Debounce 80ms at sample rate 48kHz

3'b001: Debounce 160ms at sample rate 48kHz

3'b010: Debounce 320ms at sample rate 48kHz

3'b011: Debounce 640ms at sample rate 48kHz

3'b100: Debounce 1.28s at sample rate 48kHz

3'b101: Debounce 2.56s at sample rate 48kHz

3'b110: Debounce 5.12s at sample rate 48kHz

3'b111: Debounce 0.16ms at sample rate 48kHz (test mode)
R 1'b1 dac_l_silence data status (result of silence detection)

1'b0: Not dac_l_silence data

1'b1: dac_l_silence is detected
R 1'b0 Ongoing status of dac_l_silence detection

1'b0: dac_l_silence detection is resting (clock is gating)

1'b1: dac_l_silence detection is working
N/A 4'h0 Reserved
Access Reset Description
R/W 1'b0 dac_r_silence data detection enable control

1'b0: Disable dac_r_silence data detection

1'b1: Enable dac_r_silence data detection
R/W 1'b1 dac_r_silence data detection threshold automatically control

1'b0: dac_r_silence data threshold is determined by
'dac_r_silence_mono_level_sel'

1'b1: dac_r_silence data threshold is determined by
'dac_r_silence_mono_data_bit'
R/W 2'h0 dac_r_silence detection input data word length

2'b00: 16-bit, corresponding to dac_r_silence data threshold
=-78db

2'b01: 20-bit, corresponding to dac_r_silence data threshold
=-102db
All information provided in this document is subject to legal disclaimers.
356
Ameba-D User Manual
© REALTEK 2019. All rights reserved.