Rainbow Electronics AT73C246 User Manual
Page 109
109
11050A–PMAAC–07-Apr-10
AT73C246
Name: AUDIO_EFFECTS
Access:
Read / Write
Address: 0x1D
7
6
5
4
3
2
1
0
3DFX_DEPTH
ON3DFX
SWAP_DAC SWAP_ADC MONO_DAC MONO_ADC
ONDEEMP
Table 13-50. AUDIO_EFFECTS (0x1D) Structure
Bit
Name
Description
Reset value
7:6
3DFX_DEPTH
3D effect depth control
00
5
ON3DFX
3D effect
0: OFF
1: ON
0
4
SWAP_DAC
DAC Left / Right channel swap
0: Left / Right inputs on Left / Right outputs
1: Left / Right inputs on Right / Left outputs
0
3
SWAP_ADC
ADC Left / Right channel swap
0: Left / Right inputs on Left / Right outputs
1: Left / Right inputs on Right / Left outputs
0
2
MONO_DAC
(Left + Right) / 2 on Left and Right channels
0: inactive
1: active
0
1
MONO_ADC
Left ADC output on both Left and Right channels
0: inactive
1: active
0
0
ONDEEMP
De-emphasis filter
0: OFF
1: ON
0
Table 13-51. 3-D Effect Depth Control Table
3DFX_DEPTH
Attenuation
00
0dB
01
-6dB
10
-12dB
11
-18dB