AT89C51SND1C-ROTIL ATMEL Corporation, AT89C51SND1C-ROTIL Datasheet - Page 19

• Manufacturer Part Number: AT89C51SND1C-ROTIL
• Description: Single-Chip Microcontroller with MP3 Decoder and Man-Machine Interface
• Manufacturer: ATMEL Corporation

Table 27. IDE Interface SFR
Table 28. Serial I/O Port SFRs
Table 29. SPI Controller SFRs
Table 30. TWI Controller SFRs
Table 31. Keyboard Interface SFRs
4106F–8051–10/02
DAT16H
SCON
SBUF
SADEN
SADDR
BDRCON
BRL
SPCON
SPSTA
SPDAT
SSCON
SSSTA
SSDAT
SSADR
KBCON
KBSTA
Mnemonic
Mnemonic
Mnemonic
Mnemonic
Mnemonic
Add
Add
Add
Add
Add
C3h SPI Control
C4h SPI Status
C5h SPI Data
F9h
A3h Keyboard Control
A4h Keyboard Status
98h
99h
B9h Slave Address Mask
A9h Slave Address
92h
91h
93h
94h
95h
96h
Name
High Order Data
Byte
Name
Name
Synchronous Serial
Control
Synchronous Serial
Status
Synchronous Serial
Data
Synchronous Serial
Address
Name
Name
Serial Control
Serial Data Buffer
Baud Rate Control
Baud Rate Reload
SSCR2
KINL3
KPDE
SPR2
SPD7
SSC4
SSD7
SSA7
SPIF
FE/SM0
D15
7
7
7
7
7
–
–
–
–
–
WCOL
KINL2
SPEN
SPD6
SSPE
SSC3
SSD6
SSA6
D14
6
6
6
6
–
SM1
6
–
–
–
–
–
SSSTA
SSDIS
KINL1
SPD5
SSC2
SSD5
SSA5
D13
5
5
5
5
–
–
SM2
5
–
–
–
–
–
SSSTO
MODF
MSTR
KINL0
SPD4
SSC1
SSD4
SSA4
D12
4
4
4
4
–
REN
BRR
4
–
–
–
–
KINM3
KINF3
CPOL
SPD3
SSC0
SSD3
SSA3
D11
SSI
TBCK
3
3
3
3
–
TB8
3
–
–
–
–
AT8xC51SND1C
KINM2
KINF2
CPHA
SPD2
SSAA
SSD2
SSA2
D10
RBCK
2
RB8
2
2
2
–
0
2
–
–
–
–
SSCR1
KINM1
KINF1
SPR1
SPD1
SSD1
SSA1
SPD
D9
1
1
1
1
–
0
1
TI
–
–
–
–
SSCR0
KINM0
SSGC
KINF0
SPR0
SPD0
SSD0
SRC
D8
0
0
0
0
0
RI
–
0
–
–
–
–
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