W83627G Winbond Electronics Corp America, W83627G Datasheet - Page 33

• Manufacturer Part Number: W83627G
• Description: LPC Interface I/O plus Game Port, MIDI Port, Pb-free package
• Manufacturer: Winbond Electronics Corp America

7.2.2
The second interface uses I
That is, the first address defined at CR[48h] can read/write all registers excluding Bank 1 and Bank 2
temperature sensor 2/3 registers. The second address defined at CR[4Ah] bit2-0 only read/write tem-
perature sensor 2 registers, and the third address defined at CR[4Ah] bit6-4 only can access
（read/write）temperature sensor 3 registers.
7.2.2.1
(a) Serial bus write to internal address register followed by the data byte
(b) Serial bus write to internal address register only
(c) Serial bus read from a register with the internal address register prefer to desired location
SCL
SDA
SCL
SDA
SCL
SDA
I
Start By
Start By
Start By
Master
Master
Master
2
C interface
The first serial bus access timing is shown as follow：
0
0
0
0
0
0
1
1
1
Serial Bus Address Byte
Serial Bus Address Byte
Serial Bus Address Byte
0
0
0
SCL
SDA (Continued)
2
1
1
1
(Continued)
Frame 1
Frame 1
C Serial Bus. W83627HF hardware monitor has three serial bus address.
Frame 1
1
1
1
0
0
0
1
1
1
R/W
R/W
R/W
0
0
7
7
0
D7
7
- 29 -
781D
781D
8
8
Ack
Ack
781D
D6
8
by
by
Ack
by
0
D7
0
D7
D7
0
D5
D6
D6
D6
D4
Internal Index Register Byte
Internal Index Register Byte
W83627HF/ F/ HG/ G
D5
D5
Publication Release Date: June 09, 2006
D5
D3
Data Byte
Frame 3
D4
D4
Data Byte
D4
D2
Frame 2
Frame 2
Frame 2
D3
D3
D3
D1
D2
D2
D2
7
D0
D1
D1
D1
8
781D
Ack
by
7
D0
7
D0
7
D0
Master
Stop
Revision 2.27
by
Master
8
781D
8
Ack
by
8
781D
Ack
Ack
by
by
Stop by
Stop by
Master
Master