ADT7410

Data Sheet

Rev. C | Page 20 of 24

NOTES

1. A START CONDITION AT THE BEGINNING IS DEFINED AS A HIGH-TO-LOW TRANSITION ON SDA WHILE SCLK REMAINS HIGH.

2. A STOP CONDITION AT THE END IS DEFINED AS A LOW-TO-HIGH TRANSITION ON SDA WHILE SCLK REMAINS HIGH.

3. THE MASTER GENERATES THE NO ACKNOWLEDGE AT THE END OF THE READBACK TO SIGNAL THAT IT DOES NOT WANT ADDITIONAL DATA.

4. TEMPERATURE REGISTER MSB DATA AND TEMPERATURE REGISTER LSB DATA ARE ALWAYS SEPARATED BY A LOW ACK BIT.

5. THE R/W BIT IS SET TO A1 TO INDICATE A READBACK OPERATION.

SDA

1

0

0

R/W

A7

A6

SCL

SDA

SCL

1

A1

A0

1

1

0

A1

A0

9

ADT7410 DEVICE ADDRESS

REGISTER ADDRESS[A7:A0]

D1

D0

D7

D6

TEMPERATURE REGISTER

MSB DATA

9

1

1

9

9

0

1

A1

A0

R/W

REPEAT

START

D1

D0

D7

D6

ACK. BY

ADT7410

ACK. BY

MASTER

NO

ACK. BY

MASTER

ACK. BY

ADT7410

START

ADT7410 DEVICE ADDRESS

ACK. BY

ADT7410

TEMPERATURE REGISTER

LSB DATA

SR

Figure 18. Reading Back Data from the Temperature Value Register