AT85C51SND3Bx
Table 52. Audio Controller SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
Audio Processor Equalizer Band
Select
APEBS
2.F6h
-
-
-
-
0
EQBS2:0
APELEV
ACCON
ACAUX
2.F7h Audio Processor Equalizer Level
2.EAh Audio Codec Control
-
-
-
-
-
-
-
-
-
-
EQLEV4:0
AMBSEL
AMBEN
AISSEL
-
AIEN
-
AODRV* AOSSEL*
AOEN*
2.E4h Audio Codec Auxiliary
-
-
-
-
-
-
-
-
-
-
-
-
-
AODIS*
AOPRE*
ACORG* 2.EBh Audio Codec Right Output Gain
AORG4:0*
AOLG4:0*
ACOLG*
ACIPG
2.ECh Audio Codec Left Output Gain
2.EDh Audio Codec Input Preamp Gain
-
AILPG
DSIZE
AIPG2:0
ADICON0 2.EEh Audio DAC Interface Control 0
ADICON1 2.EFh Audio DAC Interface Control 1
CSPOL
OVERS1:0
ADIEN
JUST4:0
Note:
Available in AT85C51SND3B2 & AT85C51SND3B3 only.
Table 53. Audio Stream Codec SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
ASCON
ASSTA0
ASSTA1
ASSTA2
2.E1h Audio Stream Control
2.E2h Audio Stream Status 0
2.E3h Audio Stream Status 1
2.E9h Audio Stream Status 2
Depends on the audio codec firmware
Table 54. PSI Controller SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
PSISTH
PSICON
PSISTA
PSIDAT
1.ACh PSI Status Host
1.ADh PSI Control
1.AEh PSI Status
1.AFh PSI Data
PSHBSY
PSEN
PSSTH6:0
PSWS2:0
-
PSBSYE PSRUNE
-
-
-
-
PSEMPTY PSBSY
PSRUN
PSRDY
-
PSD7:0
Table 55. SPI Controller SFRs
Mnemonic Add Name
7
6
SPEN
-
5
4
3
2
1
0
SPCON
SPSCR
SPDAT
1.91h SPI Control
SPR2
SPIF
SSDIS
OVR
MSTR
MODF
CPOL
SPTE
CPHA
UARTM
SPR1
SPTEIE
SPR0
1.92h SPI Status and Control
1.93h SPI Data
MODFIE
SPD7:0
Table 56. Serial I/O Port SFRs
Mnemonic Add Name
7
6
5
4
3
2
1
0
SCON
0.91h SIO Control
SIOEN
PMOD1:0
OVSF3:0
PBEN
STOP
CTSEN
DLEN
RTSEN
GBIT1:0
RTSTH1:0
SFCON
0.95h SIO Flow Control
43
7632A–MP3–03/06
ATMEL [ ATMEL ]
