THMC50SSOPDBQ datasheet(9/32 Pages) TI

9 / 32 page

THMC50

REMOTE/LOCAL TEMPERATURE MONITOR AND

FAN CONTROLLER WITH SMBus INTERFACE

SLIS090 – JULY 1999

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION

SMBus timing diagrams (continued)

Frame 1 SMBus Slave Address Byte

Frame 2 Address Pointer Register Byte

R/W

SCLK

SDATA

Start By

Master

ACK By

THMC50

ACK By

Master

SCLK

(Continued)

SDATA

(Continued)

Frame 3 SMBus Slave Address Byte

Frame 4 Data Byte Read From THMC50

R/W

Start By

Master

ACK By

THMC50

NACK By

THMC50

Stop By

Master

Figure 3. SMBus Timing Diagram for Read Byte Format

Frame 1 SMBus Slave Address Byte

Frame 2 Address Pointer Register Byte

R/W

SCLK

SDATA

Start By

Master

ACK By

THMC50

ACK By

THMC50

Stop By

Master

Figure 4. SMBus Timing Diagram for Send Byte Format

Frame 1 SMBus Slave Address Byte

Frame 2 Data Byte From THMC50

R/W

SCLK

SDATA

Start By

Master

ACK By

THMC50

NACK

By Master

Stop By

Master

Figure 5. SMBus Timing Diagram for Recieve Byte Format

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