f75387 Feature Integration Technology Inc., f75387 Datasheet - Page 11

• Manufacturer Part Number: f75387
• Description: ?1o C Accuracy H/w Monitor Ic With Automatic Fan Speed Control
• Manufacturer: Feature Integration Technology Inc.

The F75387 monitors a local and a remote temperature sensor. Both can be measured from 0°C to 140.875°C.
The temperature format is as the following table:
(b)
6.4.
6.5.
SCL
SDA
Serial bus read form internal address register followed by the data byte
SDA(Continued)
SCL(Continued)
Typical operating characteristic
Temperature monitoring
SDA
SCL
Start By
Master
Master
Start by
-0.5
0
0
1.5
0.5
0
0
1
0
0
1
1
Serial Bus Address Byte
Serial Bus Address Byte
10
0
0
0
0
Serial Bus read from Internal Address Register followed by the Data Byte
SCL
SDA (Continued)
Frame 1
Frame 1
20
1
1
1
1
(Continued)
Serial Bus Write to Internal Address Register followed by the Data Byte
1
2
0
30
1
Serial Bus Byte
0
3
1
Frame 3
40
0
1
4
1
Remote Temperature Error
1
50
R/W
7
5
0
R/W
9
7
0
D7
387
60
Temperature
ack
by
8
6
1
Ack
387
by
R/W
8
D6
70
0
D7
7
ack
by
387
0
D7
D5
80
D6
8
Internal Index Register Byte
D6
D4
D5
0
D7
90
Internal Index Register Byte
Frame 2
D5
D3
Data Byte
D4
1
D6
Frame 3
100 110 120 130 140
Frame 2
D3
2
D5
D4
D2
Data Byte
D2
3
D4
Frame 4
D3
D1
D1
4
D3
D2
7
D0
7
D0
5
D2
D1
8
387
8
ack
6
D1
by
7
D0
Master
7
D0
Stop
Ack
387
by
by
8
8
ack
by
387
July, 2007
Stop by
Master
F75387
0.27P