T89C51AC2-SLSIM View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

T89C51AC2-SLSIM

Enhanced 8-bit Microcontroller with 32 KB Flash Memory

Atmel Corporation 

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A/T89C51AC2

Table 35. SADEN Register

SADEN (S:B9h)

Slave Address Mask Register

7

6

5

4

3

2

1

0

–

–

–

–

–

–

–

–

Bit

Bit

Number Mnemonic Description

7-0

Mask Data for Slave Individual Address

Reset Value = 0000 0000b

Not bit addressable

Table 36. SADDR Register

SADDR (S:A9h)

Slave Address Register

7

6

5

4

3

2

1

0

–

–

–

–

–

–

–

–

Bit

Number

7-0

Bit

Mnemonic Description

Slave Individual Address

Reset Value = 0000 0000b

Not bit addressable

Table 37. SBUF Register

SBUF (S:99h)

Serial Data Buffer

7

6

5

4

3

2

1

0

–

–

–

–

–

–

–

–

Bit

Number

7-0

Bit

Mnemonic Description

Data sent/received by Serial I/O Port

Reset Value = 0000 0000b

Not bit addressable

55

4127H–8051–02/08

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