At8xc51snd1c – Rainbow Electronics AT89C51SND1C User Manual
Page 32
32
AT8xC51SND1C
4109E–8051–06/03
Table 37. MP3 Decoder SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
MP3CON
AAh MP3 Control
MPEN
MPBBST
CRCEN
MSKANC
MSKREQ
MSKLAY
MSKSYN
MSKCRC
MP3STA
C8h MP3 Status
MPANC
MPREQ
ERRLAY
ERRSYN
ERRCRC
MPFS1
MPFS0
MPVER
MP3STA1
AFh MP3 Status 1
-
-
-
MPFREQ
MPBREQ
-
-
-
MP3DAT
ACh MP3 Data
MPD7
MPD6
MPD5
MPD4
MPD3
MPD2
MPD1
MPD0
MP3ANC
ADh MP3 Ancillary Data
AND7
AND6
AND5
AND4
AND3
AND2
AND1
AND0
MP3VOL
9Eh MP3 Audio Volume Control Left
-
-
-
VOL4
VOL3
VOL2
VOL1
VOL0
MP3VOR
9Fh MP3 Audio Volume Control Right
-
-
-
VOR4
VOR3
VOR2
VOR1
VOR0
MP3BAS
B4h MP3 Audio Bass Control
-
-
-
BAS4
BAS3
BAS2
BAS1
BAS0
MP3MED
B5h MP3 Audio Medium Control
-
-
-
MED4
MED3
MED2
MED1
MED0
MP3TRE
B6h MP3 Audio Treble Control
-
-
-
TRE4
TRE3
TRE2
TRE1
TRE0
MP3CLK
EBh MP3 Clock Divider
-
-
-
MPCD4
MPCD3
MPCD2
MPCD1
MPCD0
Table 38. Audio Interface SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
AUDCON0
9Ah Audio Control 0
JUST4
JUST3
JUST2
JUST1
JUST0
POL
DSIZ
HLR
AUDCON1
9Bh Audio Control 1
SRC
DRQEN
MSREQ
MUDRN
-
DUP1
DUP0
AUDEN
AUDSTA
9Ch Audio Status
SREQ
UDRN
AUBUSY
-
-
-
-
-
AUDDAT
9Dh Audio Data
AUD7
AUD6
AUD5
AUD4
AUD3
AUD2
AUD1
AUD0
AUDCLK
ECh Audio Clock Divider
-
-
-
AUCD4
AUCD3
AUCD2
AUCD1
AUCD0