THMC10

REMOTE/LOCAL TEMPERATURE MONITOR

WITH SMBus INTERFACE

SLIS089 – DECEMBER 1999

7

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

SMBus timing diagrams (continued)

Frame 1 SMBus Slave Address Byte

Frame 2 Address Pointer Register Byte

A6

A5

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

R/W

SCLK

SDATA

Start By

Master

ACK By

THMC10

ACK By

Master

SCLK

(Continued)

SDATA

(Continued)

1

91

9

Frame 3 SMBus Slave Address Byte

Frame 4 Data Byte Read From THMC10

A6

A5

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

R/W

Start By

Master

ACK By

THMC10

NACK By

THMC10

1

91

9

Stop By

Master

Figure 3. SMBus Timing Diagram for Read Byte Format

Frame 1 SMBus Slave Address Byte

Frame 2 Address Pointer Register Byte

A6

A5

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

R/W

SCLK

SDATA

Start By

Master

ACK By

THMC10

ACK By

THMC10

1

91

9

Stop By

Master

Figure 4. SMBus Timing Diagram for Send Byte Format (Used for One-Shot Command)

Frame 1 SMBus Slave Address Byte

Frame 2 Data Byte From THMC10

A6

A5

A4

A3

A2

A1

A0

D7

D6

D5

D4

D3

D2

D1

D0

R/W

SCLK

SDATA

Start By

Master

ACK By

THMC10

NACK

By Master

1

91

9

Stop By

Master

Figure 5. SMBus Timing Diagram for Recieve Byte Format