SMS66
Preliminary Information
I2C PROGRAMMING INFORMATION (CONTINUED)
S
T
S
T
O
P
A
Configuration
Register Address = 87HEX
R
T
Master
Slave
Bus Address
Data = 55HEX
A
2
A
1
A
0
1
0
0
1
W
1
0
0
0
0
1
1
1
0
1
0
1
0
1
0
1
A
C
K
A
C
K
A
C
K
8HEX
Write Protection
Register Address
7HEX
5HEX Unlocks
5HEX Unlocks
Configuration
Registers
General Purpose
EE
Figure 7 – Write Protection Register Write
S
T
S
T
A
R
T
Configuration
Register Address
O
P
Master
Slave
Bus Address
Data
S
A
0
A
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
1
0
1
1
1
W
2
A
C
K
A
C
K
A
C
K
Figure 8 – Configuration Register Byte Write
S
T
A
R
T
Configuration
Register Address
Master
Bus Address
Data (1)
S
A
0
A
2
C
7
C
6
C
5
C
4
C
3
C
2
C
1
C
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
1
0
1
1
1
W
Slave
A
C
K
A
C
K
A
C
K
S
T
O
P
Master
Slave
Data (2)
Data (16)
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
D
7
D
6
D
5
D
2
D
1
D
0
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
A
C
K
A
C
K
A
C
K
Figure 9 – Configuration Register Page Write
Summit Microelectronics, Inc
2070 1.0 7/16/03
20
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
