at89c51ac3-s3sim ATMEL Corporation, at89c51ac3-s3sim Datasheet - Page 64

• Manufacturer Part Number: at89c51ac3-s3sim
• Description: At89c51ac3 Enhanced 8-bit Microcontroller With 64kb Flash Memory
• Manufacturer: ATMEL Corporation

64
AT89C51AC3
Table 26. SADEN Register
SADEN (S:B9h)
Slave Address Mask Register
Reset Value = 0000 0000b
Not bit addressable
Table 27. SADDR Register
SADDR (S:A9h)
Slave Address Register
Reset Value = 0000 0000b
Not bit addressable
Table 28. SBUF Register
SBUF (S:99h)
Serial Data Buffer
Reset Value = 0000 0000b
Not bit addressable
Number
Number
Number
Bit
Bit
Bit
7-0
7-0
7-0
7
–
7
–
7
–
Mnemonic Description
Mnemonic Description
Mnemonic Description
Bit
Bit
Bit
6
–
6
–
6
–
Mask Data for Slave Individual Address
Slave Individual Address
Data sent/received by Serial I/O Port
5
–
5
–
5
–
4
–
4
–
4
–
3
–
3
–
3
–
2
–
2
–
2
–
4383D–8051–02/08
1
–
1
–
1
–
0
–
0
–
0
–