
164
AT85C51SND3Bx
7632A–MP3–03/06
Reset Value = 0000 0000b
Reset Value = 0000 0000b
Reset Value = 0000 0000b
0
AOEN
-
AT85C51SND3B2 and AT85C51SND3B3: Audio Output Enable Bit
Set to enable the audio output system.
Clear to disable the audio output system.
AT85C51SND3B1: Reserved
The value read from this bit is always 0. Do not set this bit.
Table 178. ACAUX Register (AT85C51SND3B2 and AT85C51SND3B3 only)
ACAUX (2.E4h) – Audio Codec Auxiliary Register
7 6 5 4 3 2 1 0
- - - - - - AODIS AOPRE
Bit
Number
Bit
Mnemonic
Description
7-2 -
Reserved
The value read from these bits is always 0. Do not set these bits.
1 AODIS
Audio Output Discharge Bit
Set to enable the audio output discharge mechanism.
Clear to disable the audio output discharge mechanism.
0 AOPRE
Audio Output Preload Bit
Set to enable the audio output preload mechanism.
Clear to disable the audio output preload mechanism.
Table 179. ACORG Register (AT85C51SND3B2 and AT85C51SND3B3 only)
ACORG (2.EBh) – Audio Codec Right Output Gain Register
7 6 5 4 3 2 1 0
- - - AORG4 AORG3 AORG2 AORG1 AORG0
Bit
Number
Bit
Mnemonic
Description
7-5 -
Reserved
The value read from these bits is always 0. Do not set these bits.
4-0 AORG4:0
Audio Output Right Gain
Refer to Table 157 for gain value.
Bit
Number
Bit
Mnemonic Description
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