LTC3882_15 Datasheet, PDF (33/104 Pages) Linear Technology – Dual Output PolyPhase Step-Down DC/DC Voltage Mode Controller with Digital Power System Management

LTC3882
OPERATION
1
7
11
8
11
7
11
8
1
S SLAVE ADDRESS Wr A COMMAND CODE A Sr SLAVE ADDRESS Rd A BYTE COUNT = N A …
8
1
8
1
8
1
DATA BYTE 1 A DATA BYTE 2 A …… DATA BYTE N A
8
11
PEC
NA P
3882 F16
Figure 16. Block Read Protocol with PEC
1
7
11
8
1
8
1
S SLAVE ADDRESS Wr A COMMAND CODE A BYTE COUNT = M A
8
DATA BYTE 1
1
A…
8
DATA BYTE 2
1
8
1
A … DATA BYTE M A …
1
7
11
8
1
Sr SLAVE ADDRESS Rd A BYTE COUNT = N A
8
DATA BYTE 1
1
A…
8
DATA BYTE 2
A…
8
DATA BYTE N
11
NA P
3882 F17
Figure 17. Block Write – Block Read Process Call
1
7
11
8
1
8
1
S SLAVE ADDRESS Wr A COMMAND CODE A BYTE COUNT = M A
8
DATA BYTE 1
1
A…
8
DATA BYTE 2
1
8
1
A …… DATA BYTE M A …
1
7
11
8
1
Sr SLAVE ADDRESS Rd A BYTE COUNT = N A
8
DATA BYTE 1
A…
8
1
8
1
DATA BYTE 2 A … DATA BYTE N A
8
PEC
11
NA P
3882 F18
Figure 18. Block Write – Block Read Process Call with PEC
1
7
11
8
11
S
ALERT RESPONSE
ADDRESS
Rd
A
DEVICE ADDRESS NA
P
3882 F19
Figure 19. Alert Response Address Protocol
1
7
11
8
1
S
ALERT RESPONSE
ADDRESS
Rd
A
DEVICE ADDRESS
A
8
PEC
11
NA P
3882 F20
Figure 20. Alert Response Address Protocol with PEC
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3882f
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