Table of Contents
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OPERATION
1
S
SUBORDINATE ADDRESS
1
7
S
SUBORDINATE ADDRESS
1
7
S
SUBORDINATE ADDRESS
1
7
1
S
SUBORDINATEADDRESS
Wr A
1
S
SUBORDINATE ADDRESS
1
S
SUBORDINATE ADDRESS
7
1
1
8
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
Sr
Figure 17. Read Word Protocol
1
8
1
1
COMMAND CODE
A
Sr
SUBORDINATE ADDRESS
Figure 18. Read Word Protocol with PEC
7
1
1
8
Wr A
COMMAND CODE
8
1
DATA BYTE 1
A
DATA BYTE 2
Figure 19. Block Read Protocol
7
1
1
8
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
A Sr
SUBORDINATE ADDRESS
1
7
1
1
SUBORDINATE ADDRESS
Rd
A
1
7
1
1
SUBORDINATE ADDRESS
Rd
A
7
1
1
8
Rd
A
DATA BYTE LOW
1
1
7
A Sr
SUBORDINATE ADDRESS
8
1
...
8
A
...
DATA BYTE N
1
1
7
A Sr
SUBORDINATEADDRESS
1
...
8
1
A
...
DATA BYTE N
A
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LTM4683
1
1
8
1
1
Rd
A
DATA BYTE
A
P
4683 F15
8
1
DATA BYTE
A
PEC
8
1
8
DATA BYTE LOW
A
DATA BYTE HIGH
1
8
1
A
DATA BYTE HIGH
A
1
1
8
1
Rd
A
BYTE COUNT = N
A
...
1
1
A
P
4683 F19
1
1
8
1
Rd
A
BYTE COUNT = N
A
...
8
1
1
PEC
A
P
4683 F20
1
1
A
P
4683 F16
1
1
A
P
4683 F17
8
1
1
PEC
A
P
4683 F18
Rev. 0
47
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