Rainbow Electronics T89C51AC2 User Manual

Page 49

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49

T89C51AC2

Rev. B – 19-Dec-01

Table 16. SADEN Register

SADEN (S:B9h)
Slave Address Mask Register

Reset Value = 0000 0000b
Not bit addressable

Table 17. SADDR Register

SADDR (S:A9h)
Slave Address Register

Reset Value = 0000 0000b
Not bit addressable

Table 18. SBUF Register

SBUF (S:99h)
Serial Data Buffer

Reset Value = 0000 0000b
Not bit addressable

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