Datasheet

52
T89C51AC2
4127D–8051–02/03
Table 29. SADEN Register
SADEN (S:B9h)
Slave Address Mask Register
Reset Value = 0000 0000b
Not bit addressable
Table 30. SADDR Register
SADDR (S:A9h)
Slave Address Register
Reset Value = 0000 0000b
Not bit addressable
Table 31. SBUF Register
SBUF (S:99h)
Serial Data Buffer
Reset Value = 0000 0000b
Not bit addressable
76543210
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Bit
Number
Bit
Mnemonic Description
7-0 Mask Data for Slave Individual Address
76543210
––––––––
Bit
Number
Bit
Mnemonic Description
7-0 Slave Individual Address
76543210
––––––––
Bit
Number
Bit
Mnemonic Description
7-0 Data sent/received by Serial I/O Port