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LTM4700
OPERATION
1
S
1
7
S
SLAVE ADDRESS
1
7
S
SLAVE ADDRESS
1
7
1
S
SLAVE ADDRESS
Wr A
1
S
1
S
42
7
1
1
8
SLAVE ADDRESS
Wr A
COMMAND CODE
Figure 15. Read Byte Protocol
1
1
8
1
Wr A
COMMAND CODE
A Sr
Figure 16. Read Byte Protocol with PEC
1
1
8
1
Wr A
COMMAND CODE
A
Figure 17. Read Word Protocol
1
8
1
1
COMMAND CODE
A
Sr
SLAVE ADDRESS
Figure 18. Read Word Protocol with PEC
7
1
1
8
SLAVE ADDRESS
Wr A
COMMAND CODE
8
1
DATA BYTE 1
A
DATA BYTE 2
Figure 19. Block Read Protocol
7
1
1
8
SLAVE ADDRESS
Wr A
COMMAND CODE
8
1
8
DATA BYTE 1
A
DATA BYTE 2
Figure 20. Block Read Protocol with PEC
For more information
1
1
7
1
A Sr
SLAVE ADDRESS
Rd
1
7
1
1
SLAVE ADDRESS
Rd
A
DATA BYTE
1
7
1
1
Sr
SLAVE ADDRESS
Rd
A
DATA BYTE LOW
7
1
1
8
Rd
A
DATA BYTE LOW
1
1
7
1
A Sr
SLAVE ADDRESS
Rd
8
1
...
8
A
...
DATA BYTE N
1
1
7
1
A Sr
SLAVE ADDRESS
Rd
1
...
8
1
A
...
DATA BYTE N
A
www.analog.com
1
8
1
1
A
DATA BYTE
A
P
4700 F15
8
1
1
A
PEC
A
4700 F16
8
1
8
1
A
DATA BYTE HIGH
A
4700 F17
1
8
1
8
A
DATA BYTE HIGH
A
PEC
1
8
1
A
BYTE COUNT = N
A
...
1
1
A
P
4700 F19
1
8
1
A
BYTE COUNT = N
A
...
8
1
1
PEC
A
P
4700 F20
1
P
1
P
1
1
A
P
4700 F18
Rev. B
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