ADM1191 Просмотр технического описания (PDF) - Analog Devices

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ADM1191

Digital Power Monitor with Convert Pin and ALERTB Output

Analog Devices 

ADM1191

TIMING DIAGRAMS

1

91

9

SCL

SDA

0

1

START BY MASTER

1

SCL

(CONTINUED)

01

1 A1 A0 R/W

D7 D6 D5 D4 D3 D2 D1 D0

FRAME 1

SLAVE ADDRESS

ACKNOWLEDGE BY

SLAVE

FRAME 2

COMMAND CODE

ACKNOWLEDGE BY

SLAVE

9

1

9

SDA

(CONTINUED)

D7 D6 D5 D4 D3 D2 D1 D0

FRAME 3

DATA BYTE

ACKNOWLEDGE BY

SLAVE

D7 D6 D5 D4 D3 D2 D1 D0

FRAME N

DATA BYTE

ACKNOWLEDGE BY

SLAVE

STOP

BY

MASTER

Figure 16. General I2C Write Timing Diagram

1

91

9

SCL

SDA

0

1

START BY MASTER

1

SCL

(CONTINUED)

01

1 A1 A0 R/W

D7 D6 D5 D4 D3 D2 D1 D0

FRAME 1

SLAVE ADDRESS

ACKNOWLEDGE BY

SLAVE

FRAME 2

DATA BYTE

ACKNOWLEDGE BY

MASTER

9

1

9

SDA

(CONTINUED)

D7 D6 D5 D4 D3 D2 D1 D0

FRAME 3

DATA BYTE

ACKNOWLEDGE BY

MASTER

D7 D6 D5 D4 D3 D2 D1 D0

FRAME N

DATA BYTE

NO ACKNOWLEDGE

STOP

BY

MASTER

Figure 17. General I2C Read Timing Diagram

SCL

tLOW

tR

tHD;STA

tHD;DAT

SDA

tBUF

P

S

tF

tHIGH

tSU;DAT

tHD;STA

tSU;STA

S

Figure 18. Serial Bus Timing Diagram

tSU;STO

P

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