LTC4449 datasheet(34/108 Pages) LINER

34 / 108 page

LTC3882-1

Rev A

For more information www.analog.com

OPERATION

Figure 8. Write Byte Protocol with PEC

Figure 11. Read Byte Protocol

Figure 14. Read Word Protocol with PEC

Figure 9. Write Word Protocol

Figure 12. Read Byte Protocol with PEC

Figure 15. Block Read Protocol

Figure 10. Write Word Protocol with PEC

Figure 13. Read Word Protocol

SLAVE ADDRESS

COMMAND CODE

DATA BYTE

Wr A

A P

38821 F08

PEC

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

38821 F11

DATA BYTE

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

38821 F14

DATA BYTE LOW

DATA BYTE HIGH

PEC

1 1

SLAVE ADDRESS

COMMAND CODE

DATA BYTE LOW

Wr A

A P

38821 F09

DATA BYTE HIGH

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

38821 F12

DATA BYTE

1 1

PEC

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

A Sr

BYTE COUNT = N

1 1

…

38821 F15

DATA BYTE 1

DATA BYTE 2

DATA BYTE N

…

SLAVE ADDRESS

COMMAND CODE

DATA BYTE LOW

Wr A

A P

38821 F10

DATA BYTE HIGH

PEC

1 1

SLAVE ADDRESS

COMMAND CODE

SLAVE ADDRESS

Wr A

NA P

38821 F13

DATA BYTE LOW

DATA BYTE HIGH

1 1

Figure 7. Write Byte Protocol

SLAVE ADDRESS

COMMAND CODE

DATA BYTE

Wr A

A P

38821 F07

1 1

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