W83783S Information Storage Devices, Inc, W83783S Datasheet - Page 12

• Manufacturer Part Number: W83783S
• Description: H/w Monitor: 3 Temp.(thermal Diode), 6 Vol., 2 PWM Fan Control
• Manufacturer: Information Storage Devices, Inc

(b) Serial bus write to internal address register only
6.2.2 The serial bus timing of the temperature 2 and 3 is shown as follow:
(a) Typical 2-byte read from preset pointer location (Temp, T
(c) Serial bus read from a register with the internal address register prefer to desired location
SCL
SDA
SCL
SDA
SCL
SDA
Start By
Master
0
0
Start By
Master
Start By
Master
1
0
0
0
0
Figure 4. Typical 2-Byte Read From Preset Pointer Location
Serial Bus Address Byte
0
Figure 2. Serial Bus Write to Internal Address Register Only
1
1
Figure 3. Serial Bus Write to Internal Address Register Only
Frame 1
Serial Bus Address Byte
Serial Bus Address Byte
1
0
0
1
Frame 1
Frame 1
1
1
0
1
1
1
0
0
R/W
7
1
1
Ack
782D
by
8
- 7 -
R/W
R/W
0
0
7
7
D7
0
Ack
781D
Ack
781D
by
by
8
8
...
...
MSB Data Byte
0
D7
0
D7
Frame 2
D6
D6
D1
Internal Index Register Byte
Internal Index Register Byte
D5
D5
7
D0
OS
Frame 2
Frame 2
Master
Ack
D4
D4
, T
by
Publication Release Date: April 1999
8
HYST
D3
D3
0
D7
)
D2
D2
...
...
LSB Data Byte
D1
D1
Frame 3
D1
7
D0
7
D0
W83783S
Preliminary
Ack
781D
Master
7
D0
by
Ack
8
8
by
Master
Revision 0.55
Ack
by
Stop by
Stop by
Master
Master
Stop by
Master