f75393 Feature Integration Technology Inc., f75393 Datasheet - Page 8

• Manufacturer Part Number: f75393
• Description: ?1 C Temperature Sensor With ? Compensation
• Manufacturer: Feature Integration Technology Inc.

F75393
The operation of the protocol is described with details in the following sections.
The F75393 provides SMBus address option function. Pull high register (Alert Pin) to select SMBus address by power on strapping
and entry key writing. These two conditions must be done both for address selection. If you only option pull high register without
SCL
SDA
(a)
(b)
(c)
(d)
SCL
SDA
SCL
SDA
SCL
SDA
SMBus write to internal address register followed by the data byte
Serial bus write to internal address register only
Serial bus read from a register with the internal address register prefer to desired location
Alert Response Address
Start By
Master
Start By
Master
Start By
Master
Start By
Master
0
1
0
1
0
0
Figure 2. Serial Bus Write to Internal Address Register Only
0
1
0
Figure 1. Serial Bus Write to Internal Address Register followed by the Data Byte
Serial Bus Address Byte
0
0
0
Figure 3. Serial Bus Read from Internal Address Register
Figure 4. Alert Response Address
0
Serial Bus Address Byte
Alert Response Address
Serial Bus Address Byte
Frame 1
0
0
0
1
SCL
SDA (Continued)
Frame 1
Frame 1
Frame 1
1
1
1
(Continued)
1
1
1
1
0
0
0
0
0
0
0
0
R/W
7
0
R/W
R/W
R/W
0
0
7
7
7
0
D7
Ack
by
395
8
-4-
Ack
395
Ack
395
by
by
Ack
by
395
8
8
8
D6
0
D7
0
D7
0
0
0
D7
D5
D6
Internal Index Register Byte
D6
1
D6
D4
Internal Index Register Byte
Internal Index Register Byte
D5
Frame 2
D5
0
D5
D3
Data Byte
Frame 3
D4
Frame 2
Frame 2
Device Address
D4
0
Frame 2
D4
D2
D3
D3
1
D3
D1
D2
D2
1
D2
7
D0
D1
D1
0
D1
8
7
D0
7
D0
7
0
7
D0
Master
Stop
by
Ack
by
395
8
Ack
395
Master
Master
by
Ack
Ack
by
by
8
8
8
Stop by
Master
Stop by
Stop by
Master
Master
F75393
May, 2008
V0.16P