AVR 151S (serv.man3) - Harman Kardon Audio Service Manual (repair manual). Page 104

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Signal description
M24Cxx-W, M24Cxx-R, M24Cxx-F
10/34
Figure 5.
I
2
C bus protocol
         
         
         
Table 2.
Device select code
Device Type Identifier
(1)
1.
The most significant bit, b7, is sent first.
Chip Enable Address
(2)
2.
E0, E1 and E2 are compared against the respective external pins on the memory device.
RW
b7
b6
b5
b4
b3
b2
b1
b0
Device Select Code
1
0
1
0
E2
E1
E0
RW
Table 3.
Address Most Significant Byte
b15
 b14
 b13
 b12
 b11
 b10
 b9
 b8
Table 4.
Address Least Significant Byte
b7
 b6
 b5
 b4
 b3
 b2
 b1
 b0
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
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