Rainbow-electronics AT73C246 Manual do Utilizador descarregar pdf (Página 109)

109

11050A–PMAAC–07-Apr-10

AT73C246

Name: AUDIO_EFFECTS

Access: Read / Write

Address: 0x1D

76543210

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

5ON3DFX

3D effect

0: OFF

1: ON

4 SWAP_DAC

DAC Left / Right channel swap

0: Left / Right inputs on Left / Right outputs

1: Left / Right inputs on Right / Left outputs

3 SWAP_ADC

ADC Left / Right channel swap

0: Left / Right inputs on Left / Right outputs

1: Left / Right inputs on Right / Left outputs

2MONO_DAC

(Left + Right) / 2 on Left and Right channels

0: inactive

1: active

1MONO_ADC

Left ADC output on both Left and Right channels

0: inactive

1: active

0 ONDEEMP

De-emphasis filter

0: OFF

1: ON

Table 13-51. 3-D Effect Depth Control Table

3DFX_DEPTH Attenuation

00 0dB

01 -6dB

10 -12dB

11 -18dB

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 158 159

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Rainbow-electronics AT73C246 Manual do Utilizador Página 109