Datasheet

ManualsBrandsANALOG DEVICES ManualsLinear ICsAD1937WBSTZ

AD1937

Rev. B | Page 17 of 36

4-011

ACK. BY

MASTER (AM)

STOP BY

MASTER (P)

0741

SCK

(CONTINUED)

D7 D6 D5 D4 D3 D2 D1 D0

SDA

(CONTINUED)

FRAME 3

DATA BYTE TO AD1937

S

C

K

S

D

A

START BY

MASTER (S)

ACK. BY

AD1937 (AS)

ACK. BY

MASTER (AM)

00001

ADDR1 ADDR0

R/W 0 00 00 011

FRAME 1

CHIP ADDRESS BYTE

FRAME 2

REGISTER ADDRESS BYTE

Figure 13. I

2

C Write Format

SCK

SDA

START BY

MASTER (S)

ACK. BY

AD1937 (AS)

ACK. BY

AD1937 (AS)

00001

ADDR1 ADDR0

R/W 0 00 00 011

07414-012

D7 D6 D5 D4 D3 D2 D1 D0

SDA

(CONTINUED)

SCL

(CONTINUED)

FRAME 1

CHIP ADDRESS BYTE

FRAME 2

REGISTER ADDRESS BYTE

0 000 1

ADDR1 ADDR0

R/W

REPEATED START

BY MASTER (S)

ACK. BY

AD1937 (AS)

ACK. BY

MASTER (AM)

STOP BY

MASTER (P)

FRAME 3

CHIP ADDRESS BYTE

FRAME 4

REGISTER DATA

Figure 14. I

2

C Read Format