Table of Contents
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LTC3882-1
OPERATION
1
S
SLAVE ADDRESS
1
S
1
7
S
SLAVE ADDRESS
1
7
S
SLAVE ADDRESS
1
7
1
S
SLAVE ADDRESS
Wr A
1
S
34
1
7
1
S
SLAVE ADDRESS
Wr A
Figure 7. Write Byte Protocol
1
7
1
1
S
SLAVE ADDRESS
Wr A
COMMAND CODE
Figure 8. Write Byte Protocol with PEC
1
7
1
1
S
SLAVE ADDRESS
Wr A
COMMAND CODE
Figure 9. Write Word Protocol
7
1
1
8
Wr A
COMMAND CODE
Figure 10. Write Word Protocol with PEC
7
1
1
8
SLAVE ADDRESS
Wr A
COMMAND CODE
Figure 11. Read Byte Protocol
1
1
8
1
Wr A
COMMAND CODE
A Sr
Figure 12. Read Byte Protocol with PEC
1
1
8
1
Wr A
COMMAND CODE
A
Figure 13. Read Word Protocol
1
8
1
1
COMMAND CODE
A
Sr
SLAVE ADDRESS
Figure 14. 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 15. Block Read Protocol
For more information
1
8
1
8
COMMAND CODE
A
DATA BYTE
8
1
8
1
A
DATA BYTE
A
8
1
8
1
A
DATA BYTE LOW
A
1
8
1
8
A
DATA BYTE LOW
A
DATA BYTE HIGH
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
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1
1
A
P
38821 F07
8
1
1
PEC
A
P
38821 F08
8
1
1
DATA BYTE HIGH
A
P
38821 F09
1
8
1
1
A
PEC
A
P
38821 F10
1
8
1
1
A
DATA BYTE
NA
P
38821 F11
8
1
8
1
A
PEC
A
38821 F12
8
1
8
1
A
DATA BYTE HIGH
NA P
38821 F13
1
8
1
8
A
DATA BYTE HIGH
A
PEC
1
8
1
A
BYTE COUNT = N
A
...
1
1
NA
P
38821 F15
1
P
1
1
1
A
P
38821 F14
Rev A
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