BU9817FV Rohm, BU9817FV Datasheet - Page 11

• Manufacturer Part Number: BU9817FV
• Description: 4-channel temperature sensor IC for PCs with I2C BUS interface
• Manufacturer: Rohm

Multimedia ICs
!Circuit operation
Register structure
I
(1) Write Mode
(2) Read Mode
2
1) Pointer register set
2) Preset pointer register
S
S
S
C Bus data structure
Address
Address
Address
SDA
SCL
Sr
—
W
—
W
R
A
A
A
Address
Pointer reg. Byte
Pointer reg. Byte
Read Data Byte
I
Interface
2
C BUS
R
(Register select)
—
A
A
A
A
Pointer
Register
P
Read Data Byte
Write Data Byte
—
A
A
—
S: Start condition
P: Stop condition
Sr: Restart condition
A: acknowledge
A: acknowledge bar
1ch Configuration Register
1ch Vdl Register
1ch Vul Register
1ch ADV Register
2ch Configuration Register
2ch Vdl Register
2ch Vul Register
2ch ADV Register
3ch Configuration Register
3ch Vdl Register
3ch Vul Register
3ch ADV Register
4ch Configuration Register
4ch Vdl Register
4ch Vul Register
4ch ADV Register
P
P
BU9817FV