Datasheet

SMBus interface STTS751
10/36 Doc ID 16483 Rev 5
3 SMBus interface
3.1 SMBus protocol
The STTS751 communicates over a 2-wire serial interface compatible with the SMBus
standard. Temperature data, alarm limits and configuration information are communicated
over the bus. A detailed timing diagram is shown below in Figure 5.
Figure 5. SMBus timing diagram
The STTS751 supports standard SMBus protocols (see Tabl e 4 , 5, 6, and 7).
● WRITE byte
● READ byte
● SEND byte
● RECEIVE byte
● Alert response address
PS
P
S - start condition
P - stop condition
T
BUF
T
HD; STA
T
LOW
T
R
T
HIGH
T
HD; STA
T
F
T
SU:STO
T
SU:STA
T
SU:DAT
T
HD:DAT
S
SMCLK
SMDATA
AM03067v1