Datasheet
LTC3880/LTC3880-1
31
3880fc
For more information www.linear.com/LTC3880
OPERATION
Figure 11. Send Byte Protocol
Figure 12. Send Byte Protocol with PEC
Figure 13. Read Word Protocol
Figure 14. Read Word Protocol with PEC
Figure 16. Read Byte Protocol with PEC
Figure 15. Read Byte Protocol
SLAVE ADDRESS Wr A A P
3880 F11
S
7 81 1 1 11
COMMAND CODE
SLAVE ADDRESS COMMAND CODE PECWr A A A P
3880 F12
S
7 8 81 1 1 1 11
SLAVE ADDRESS COMMAND CODE SLAVE ADDRESSWr A A A P
3880 F13
S
7 8 7 1
DATA BYTE LOW
8
DATA BYTE HIGH
811 1 1
Sr
1 1 11
A
1
Rd A
SLAVE ADDRESS COMMAND CODE SLAVE ADDRESSWr A A A PA
3880 F14
S
7 8 7 1
DATA BYTE LOW
8
DATA BYTE HIGH PEC
8 811 1 1 1 111
Sr
1
A
1
Rd A
SLAVE ADDRESS COMMAND CODE SLAVE ADDRESSWr A A Sr P
3880 F15
S
7 8 7 11
DATA BYTE
8 11 1 1 11 1
ARd A
SLAVE ADDRESS COMMAND CODE SLAVE ADDRESSWr A A Sr P
3880 F16
S
7 8 7 11
DATA BYTE
8 11 1 1 11 1
ARd A
1
A PEC
Refer to Figure 6 for a legend.
Handshaking features are included to ensure robust
system communication. Please refer to the PMBus Com-
munication and Command Processing subsection of the
Applications Information section for further details.