Bit
Bit
Number
Mnemonic Description
Audio Oversampling Ratio Bits
1-2
0
OVERS1:0
ADIEN
Refer to Table 164 for bits description.
Audio DAC Interface Enable Bit
Set to enable the audio DAC interface.
Clear to disable the audio DAC interface.
Reset Value = 0000 0000b
Table 183. ADICON1 Register
ADICON1 (2.EFh) – Audio DAC Interface Control Register 1
7
6
5
4
3
2
1
0
-
-
-
JUST4
JUST3
JUST2
JUST1
JUST0
Bit
Bit
Number
Mnemonic Description
Reserved
7-5
4-0
-
The value read from these bits is always 0. Do not set these bits.
Audio Stream Justification Bits
JUST4:0
Refer to Section “Audio DAC Interface” for bits description.
Reset Value = 0000 1000b
Table 184. ASCON Register
ASCON (2.E1h) – Audio Stream Control Register
7
6
5
4
3
2
1
0
ASC7
ASC6
ASC5
ASC4
ASC3
ASC2
ASC1
ASC0
Bit
Bit
Number
Mnemonic Description
Audio Stream Control Byte
Bits content depends on the audio codec firmware.
7-0
ASC7:0
Reset Value = 0000 0000b
Table 185. ASSTA0 Register
ASSTA0 (2.E2h) – Audio Stream Status Register 0
7
6
5
4
3
2
1
0
AS0S7
AS0S6
AS0S5
AS0S4
AS0S3
AS0S2
AS0S1
AS0S0
Bit
Bit
Number
Mnemonic Description
Audio Stream Status Byte 0
Bits content depends on the audio codec firmware.
7-0
AS0S7:0
Reset Value = 0000 0000b
166
AT85C51SND3Bx
7632A–MP3–03/06