43
Rev. B
Figure 15. Read Byte Protocol
SLAVE ADDRESS
COMMAND CODE
SLAVE ADDRESS
Wr A
A Sr
P
4680 F15
S
7
8
1
1
DATA BYTE
8
1
1 1
1
1
1
1
7
A
Rd
A
SLAVE ADDRESS
COMMAND CODE
SLAVE ADDRESS
Wr A
A Sr
P
4680 F16
S
7
8
7
1
1
DATA BYTE
8
1
1 1
1
1
1
1
A
Rd
A
1
A
PEC
SLAVE ADDRESS
COMMAND CODE
SLAVE ADDRESS
Wr A
A
A P
4680 F17
S
7
8
7
1
DATA BYTE LOW
8
DATA BYTE HIGH
8
1
1 1
1
Sr
1
1 1
1
A
1
Rd
A
SLAVE ADDRESS
COMMAND CODE
SLAVE ADDRESS
Wr A
A
A
P
A
4680 F18
S
7
8
7
1
DATA BYTE LOW
8
DATA BYTE HIGH
PEC
8
8
1
1 1
1
1
1
1
1
Sr
1
A
1
Rd
A
SLAVE ADDRESS
COMMAND CODE
SLAVE ADDRESS
Wr A
A Sr
S
7
8
7
1
1
BYTE COUNT = N
8
1
1 1
1
1
1
A
Rd
A
…
A
P
A
4680 F19
DATA BYTE 1
8
DATA BYTE 2
DATA BYTE N
8
8
1
1
1
1
A
…
…
SLAVE ADDRESS
COMMAND CODE
SLAVE ADDRESS
Wr A
A Sr
S
7
8
7
1
1
BYTE COUNT = N
8
1
1 1
1
1
1
A
Rd
A
…
…
…
A
DATA BYTE 1
8
DATA BYTE 2
8
1
1
A
A
P
A
4680 F20
DATA BYTE N
PEC
8
8
1
1
1
OPERATION
Figure 16. Read Byte Protocol with PEC
Figure 17. Read Word Protocol
Figure 18. Read Word Protocol with PEC
Figure 19. Block Read Protocol
Figure 20. Block Read Protocol with PEC
