Table 39. MP3 Decoder SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
MP3CON
MP3STA
AAh MP3 Control
C8h MP3 Status
MPEN
MPBBST
CRCEN MSKANC MSKREQ MSKLAY MSKSYN MSKCRC
MPANC
MPREQ
ERRLAY ERRSYN ERRCRC
MPFS1
-
MPFS0
-
MPVER
-
MP3STA1 AFh MP3 Status 1
-
-
-
MPFREQ MPBREQ
MP3DAT
MP3ANC
MP3VOL
MP3VOR
MP3BAS
MP3MED
MP3TRE
MP3CLK
ACh MP3 Data
MPD7
MPD6
MPD5
MPD4
AND4
VOL4
VOR4
BAS4
MPD3
AND3
VOL3
VOR3
BAS3
MPD2
AND2
VOL2
VOR2
BAS2
MED2
TRE2
MPCD2
MPD1
AND1
VOL1
VOR1
BAS1
MED1
TRE1
MPCD1
MPD0
AND0
VOL0
VOR0
BAS0
MED0
TRE0
MPCD0
ADh MP3 Ancillary Data
AND7
AND6
AND5
9Eh MP3 Audio Volume Control Left
9Fh MP3 Audio Volume Control Right
B4h MP3 Audio Bass Control
B5h MP3 Audio Medium Control
B6h MP3 Audio Treble Control
EBh MP3 Clock Divider
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MED4
TRE4
MED3
TRE3
MPCD4
MPCD3
Table 40. Audio Interface SFRs
Mnemonic Add Name
7
6
5
4
3
JUST0
-
2
POL
DUP1
-
1
0
AUDCON0 9Ah Audio Control 0
AUDCON1 9Bh Audio Control 1
JUST4
SRC
SREQ
AUD7
-
JUST3
DRQEN
UDRN
AUD6
-
JUST2
MSREQ
AUBUSY
AUD5
-
JUST1
MUDRN
-
DSIZ
DUP0
-
HLR
AUDEN
-
AUDSTA
AUDDAT
AUDCLK
9Ch Audio Status
9Dh Audio Data
-
AUD4
AUCD4
AUD3
AUCD3
AUD2
AUCD2
AUD1
AUCD1
AUD0
AUCD0
ECh Audio Clock Divider
32
AT8xC51SND2C
4341D–MP3–04/05
ATMEL [ ATMEL ]
