ADM1024ARU Ver la hoja de datos (PDF) - Analog Devices

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ADM1024ARU

System Hardware Monitor with Remote Diode Thermal Sensing

Analog Devices 

ADM1024

1

9

1

9

SCL

SDA

0

START BY

MASTER

1

0

1

1 A1 A0 R/W

D7

FRAME 1

SERIAL BUS ADDRESS BYTE

ACK. BY

ADM1024

1

SCL (CONTINUED)

D6 D5 D4 D3 D2 D1 D0

FRAME 2

ADDRESS POINTER REGISTER BYTE

ACK. BY

ADM1024

9

SDA (CONTINUED)

D7 D6 D5 D4 D3 D2 D1 D0

FRAME 3

DATA BYTE

ACK. BY STOP BY

ADM1024 MASTER

Figure 2a. Writing a Register Address to the Address Pointer Register, then Writing Data to the Selected Register

1

9

1

9

SCL

SDA

0

START BY

MASTER

1

0

1

1 A1 A0 R/W

D7

FRAME 1

SERIAL BUS ADDRESS BYTE

ACK. BY

ADM1024

D6 D5 D4 D3 D2 D1 D0

FRAME 2

ADDRESS POINTER REGISTER BYTE

ACK. BY

ADM1024

STOP BY

MASTER

Figure 2b. Writing to the Address Pointer Register Only

1

9

1

9

SCL

SDA

0

START BY

MASTER

1

0

1

1

A1 A0 R/W

D7 D6 D5 D4 D3 D2 D1 D0

FRAME 1

SERIAL BUS ADDRESS BYTE

ACK. BY

ADM1024

FRAME 2

DATA BYTE FROM ADM1024

NO ACK. STOP BY

BY MASTER MASTER

Figure 2c. Reading Data from a Previously Selected Register

–10–

REV. B

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