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W83781D Datasheet(PDF) 13 Page - Winbond

Part # W83781D
Description  H/W MONITORING IC
Download  54 Pages
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W83781D Datasheet(HTML) 13 Page - Winbond

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W83781D/W83781G
Publication Release Date: April 14, 2005
- 9 -
Revision 2.0
7.1.2 The serial bus timing of the temperature 2 and 3 is shown as follows:
(a) Typical 2-byte read from preset pointer location (Temp, TOS, THYST)
0
Start By
Master
01
0
1
1
01
D7
D1
D0
Ack
by
Master
R/W
Ack
by
781D
SCL
SDA
78
0
78
Frame 2
MSB Data Byte
Frame 1
Serial Bus Address Byte
Typical 2-Byte Read From Preset Pointer Location
D7
D1
D0
07
Stop by
Master
...
...
...
Ack
by
Master
...
Frame 3
LSB Data Byte
(b) Typical pointer set followed by immediate read for 2-byte register (Temp, TOS, THYST)
0
Start By
Master
D7
D1
D0
Ack
by
Master
Ack
by
781D
SCL
SDA
78
0
78
0
Frame 4
MSB Data Byte
Frame 3
Serial Bus Address Byte
Typical Pointer Set Followed by Immediate Read for 2-Byte Register
D7
D1
D0
07
Stop by
Master
...
...
...
No Ack
by
Master
...
Frame 5
LSB Data Byte
0
Start By
Master
1001
A2
A1
A0
R/W
Ack
by
781D
SCL
SDA
78
0
Frame 1
Serial Bus Address Byte
4
D1
D0
Ack
by
781D
Frame 2
Pointer Byte
1001
A2
A1
A0
R/W
000000
(c) Typical read 1-byte from configuration register with preset pointer
0
Start By
Master
D7
D2
Ack
by
781D
SCL
SDA
78
0
Frame 2
Data Byte
Frame 1
Serial Bus Address Byte
Typical 1-Byte Read From Configuration With Reset Pointer
D0
7
Stop by
Master
No Ack
by
Master
1001
A2
A1
A0
R/W
D1
D5
D4
D3
D6
8


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