f75377 Feature Integration Technology Inc., f75377 Datasheet - Page 13
f75377
Manufacturer Part Number
f75377
Description
Monitor With Automatic Speed Control
Manufacturer
Feature Integration Technology Inc.
Datasheet
1.F75377.pdf
(66 pages)
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6.2 Temperature Monitoring
The F75377 monitors local and 2 remote temperature sensors. Both can be measured from -40°C to
127°C.
The temperature format is as the following table:
SCL
SDA
(b)
(c)
SCL
SDA
SCL
SDA
Temperature ( High Byte )
Serial bus write to internal address register only
Serial bus read from a register with the internal address register prefer to desired location
Start By
Master
Start By
Master
Start By
Master
0
1
25°C
0°C
1°C
0
1
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
Figure 3. Serial Bus Read from Internal Address Register
0
Serial Bus Address Byte
Serial Bus Address Byte
Frame 1
0
0
1
SCL
SDA (Continued)
Frame 1
Frame 1
1
1
(Continued)
1
Digital Output
0000 0000
0000 0001
0001 1001
1
1
1
1
0
0
0
0
R/W
0
7
13
R/W
R/W
0
7
7
0
D7
Ack
by
395
8
Temperature ( Low Byte )
Ack
by
395
Ack
by
395
8
8
D6
0
D7
0
D7
0
D7
D5
D6
0.125°C
0.250°C
Internal Index Register Byte
0°C
D6
D6
D4
Internal Index Register Byte
Internal Index Register Byte
D5
Frame 2
D5
D3
D5
Data Byte
Frame 3
D4
Frame 2
Frame 2
D4
D4
D2
D3
D3
D3
D1
D2
Digital Output
D2
D2
7
D0
000 0 0000
001 0 0000
010 0 0000
D1
D1
D1
8
7
D0
7
D0
7
D0
Stop
Master
by
Ack
by
395
8
Ack
395
Master
Ack
by
by
8
8
Stop by
Master
Stop by
Master
F75377
March.
V0.12P
, 2008
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