LTC4261 datasheet(49/74 Pages) AD

49 / 74 page

LTC4283

Rev. B

For more information www.analog.com

APPLICATIONS INFORMATION

Figure 19. General Data Transfer over I2C

a6 - a0

b7 - b0

ACK

4283 F19

ACK

ADDRESS

START

CONDITION

STOP

CONDITION

R/W

DATA

SDA

SCL

1 - 7

ADDRESS

001 a3:a0

FROM MASTER TO SLAVE

A: ACKNOWLEDGE (LOW)

A: NOT ACKNOWLEDGE (HIGH)

R: READ BIT (HIGH)

W: WRITE BIT (LOW)

S: START CONDITION

SR: REPEATED START CONDITION

P: STOP CONDITION

FROM SLAVE TO MASTER

b7:b0

4283 F20

COMMAND

DATA

A P

Figure 20. Write Byte Protocol

Figure 21. Write Word Protocol

Figure 22. Write Page Protocol

ADDRESS

001 a3:a0

b7:b0

4283 F21

COMMAND

DATA

b7:b0

DATA

ADDRESS

001 a3:a0

b7:b0

4283 F22

COMMAND

DATA

b7:b0

DATA

• • •

Figure 23. Read Byte Protocol

Figure 24. Read Word Protocol

Figure 25. Read Page Protocol

Figure 26. Alert Response Protocol

ADDRESS

001 a3:a0

ADDRESS

001 a3:a0

b7:b0

4283 F23

COMMAND

DATA

ADDRESS

001 a3:a0

ADDRESS

001 a3:a0

b7:b0

4283 F24

COMMAND

DATA

b7:b0

DATA

ADDRESS

001 a3:a0

ADDRESS

001 a3:a0

b7:b0

4283 F25

COMMAND

DATA

b7:b0

DATA

• • •

ALERT

RESPONSE

ADDRESS

DEVICE

ADDRESS

0001100

4283 F26

0 001 a3:a0 0

LTC4261 Datasheet(PDF) 49 Page - Analog Devices

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