
M24C64, M24C32
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Figure 5. I
2
C Bus Protocol
Table 3. Device Select Code
Note: 1. The most significant bit, b7, is sent first.
2. E0, E1 and E2 are compared against the respective external pins on the memory device.
Table 4. Most Significant Byte
Table 5. Least Significant Byte
Device Type Identifier
1
Chip Enable Address
2
RW
b7
b6
b5
b4
b3
b2
b1
b0
Device Select Code
1
0
1
0
E2
E1
E0
RW
SCL
SDA
SCL
SDA
SDA
START
Condition
SDA
Input
SDA
Change
AI00792B
STOP
Condition
1
2
3
7
8
9
MSB
ACK
START
Condition
SCL
1
2
3
7
8
9
MSB
ACK
STOP
Condition
b15
b14
b13
b12
b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0