LTC2977 datasheet(55/138 Pages) AD

55 / 138 page

LTM4664A

Rev. 0

For more information www.analog.com

Figure 19. Read Byte Protocol

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

4664A F19

DATA BYTE

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

4664A F20

DATA BYTE

1 1

PEC

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A P

4664A F21

DATA BYTE LOW

DATA BYTE HIGH

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

4664A F22

DATA BYTE LOW

DATA BYTE HIGH

PEC

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

BYTE COUNT = N

1 1

…

4664A F23

DATA BYTE 1

DATA BYTE 2

DATA BYTE N

…

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

BYTE COUNT = N

1 1

…

DATA BYTE 1

DATA BYTE 2

4664A F24

DATA BYTE N

PEC

Figure 20. Read Byte Protocol with PEC

Figure 21. Read Word Protocol

Figure 22. Read Word Protocol with PEC

Figure 23. Block Read Protocol

Figure 24. Block Read Protocol with PEC

DUAL 25A/30A PSM OPERATION

LTC2977 Datasheet(PDF) 55 Page - Analog Devices

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