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C-compatible serial interface in a sot23, Compatible – Rainbow Electronics MAX6626 User Manual

Page 7

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MAX6625/MAX6626

9-Bit/12-Bit Temperature Sensors with

I

2

C-Compatible Serial Interface in a SOT23

_______________________________________________________________________________________

7

Figure 4. I

2

C

-Compatible

Timing Diagram

ADDRESS

BYTE

ADDRESS BYTE

ADDRESS

BYTE

ADDRESS

BYTE

DATA

BYTE

(a) TYPICAL 2-BYTE READ FROM PRESET POINTER LOCATION SUCH AS TEMP, T

HIGH

, T

LOW

(b) TYPICAL POINTER SET FOLLOWED BY IMMEDIATE READ FOR 2-BYTE REGISTER SUCH AS TEMP, T

HIGH

, T

LOW

(c) TYPICAL 1-BYTE READ FROM CONFIGURATION REGISTER WITH PRESET POINTER

MOST-SIGNIFICANT

DATA BYTE

LEAST-SIGNIFICANT

DATA BYTE

POINTER BYTE

MOST-SIGNIFICANT

DATA BYTE

LEAST-SIGNIFICANT

DATA BYTE

ACK BY

MAX6625

ACK BY

MASTER

ACK BY

MAX6625

ACK BY

MAX6625

ACK BY

MASTER

ACK BY

MAX6625

ACK BY

MASTER

START

BY

MASTER

START

BY

MASTER

REPEAT

START

BY

MASTER

START

BY

MASTER

STOP

COND BY

MASTER

STOP

COND BY

MASTER

STOP

COND BY

MASTER

NO ACK BY

MASTER

NO

ACK BY

MASTER

NO

ACK BY

MASTER