
Rev.A - May 17, 2001 49
Preliminary
T89C51CC02
SADEN (S:B9h)
Slave Address Mask Register
Reset Value = 0000 0000b
Not bit addressable
Figure 30. SADEN Register
SADDR (S:A9h)
Slave Address Register
Reset Value = 0000 0000b
Not bit addressable
Figure 31. SADDR Register
SBUF (S:99h)
Serial Data Buffer
Reset Value = 0000 0000b
Not bit addressable
Figure 32. SBUF Register
7 6 5 4 3 2 1 0
Bit Number Bit Mnemonic Description
7-0 Mask Data for Slave Individual Address
7 6 5 4 3 2 1 0
Bit Number Bit Mnemonic Description
7-0 Slave Individual Address
7 6 5 4 3 2 1 0
Bit Number Bit Mnemonic Description
7-0 Data sent/received by Serial I/O Port
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