AT83C51SND1C_03 ATMEL [ATMEL Corporation], AT83C51SND1C_03 Datasheet - Page 68

• Manufacturer Part Number: AT83C51SND1C_03
• Description: Single-Chip Flash Microcontroller with MP3 Decoder and Human Interface
• Manufacturer: ATMEL [ATMEL Corporation]

Registers
68
AT8xC51SND1C
Table 72. MP3CON Register
MP3CON (S:AAh) – MP3 Decoder Control Register
Reset Value = 0011 1111b
Number
MPEN
Bit
7
7
6
5
4
3
2
1
0
Mnemonic Description
MPBBST
MSKREQ
MSKCRC
MSKANC
MSKSYN
MPBBST
MSKLAY
CRCEN
MPEN
Bit
6
MP3 Decoder Enable Bit
Set to enable the MP3 decoder.
Clear to disable the MP3 decoder.
Bass Boost Bit
Set to enable the bass boost sound effect.
Clear to disable the bass boost sound effect.
CRC Check Enable Bit
Set to enable processing of frame that contains CRC error. Frame is played
whatever the error.
Clear to disable processing of frame that contains CRC error. Frame is skipped.
MPANC Flag Mask Bit
Set to prevent the MPANC flag from generating a MP3 interrupt.
Clear to allow the MPANC flag to generate a MP3 interrupt.
MPREQ Flag Mask Bit
Set to prevent the MPREQ flag from generating a MP3 interrupt.
Clear to allow the MPREQ flag to generate a MP3 interrupt.
ERRLAY Flag Mask Bit
Set to prevent the ERRLAY flag from generating a MP3 interrupt.
Clear to allow the ERRLAY flag to generate a MP3 interrupt.
ERRSYN Flag Mask Bit
Set to prevent the ERRSYN flag from generating a MP3 interrupt.
Clear to allow the ERRSYN flag to generate a MP3 interrupt.
ERRCRC Flag Mask Bit
Set to prevent the ERRCRC flag from generating a MP3 interrupt.
Clear to allow the ERRCRC flag to generate a MP3 interrupt.
CRCEN
5
MSKANC
4
MSKREQ
3
MSKLAY
2
MSKSYN
1
4109E–8051–06/03
MSKCRC
0