BU9817FV Rohm, BU9817FV Datasheet - Page 12

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

Multimedia ICs
Mode settings table 1 / 2
(1) Pointer register (selects which registers will be read from or written to)
D4 to D7: These bits are used for test mode and must be kept zero for normal operation.
(2) ADV Register (Read only)
D0 to D7: Voltage data
The defaults for the power-on-reset and reset modes are 1 for all bits.
(3) Configuration Register (Read / Write)
The defaults for the power-on-reset and reset modes are 0 for all bits.
1 ch
2 ch
3 ch
4 ch
1 ch
2 ch
3 ch
4 ch
D7
Channel
0
Channel
Channel Select
Register Select
D3
D1
D6
0
0
1
1
0
0
1
1
0
MSB
MSB
MSB
MSB
D7
0
0
0
0
D7
D5
D2
D0
0
0
1
0
1
0
1
0
1
D6
0
0
0
0
bit6
bit6
bit6
bit6
D6
Channel 1
Channel 2
Channel 3
Channel 4
ADV Register (Read only) (Power on Reset default)
Configuration Register (Read / Write)
Vdl Register (Read / Write)
Vul Register (Read / Write)
D4
Channel
0
Interval
Mode
D5
bit5
bit5
bit5
bit5
D5
D3
Channel Select
Interval
Speed
bit4
bit4
bit4
bit4
D4
D4
Register
D2
bit3
bit3
bit3
bit3
D3
Reset
D3
D1
Register Select
bit2
bit2
bit2
bit2
D2
Opendrain
Opendrain
Opendrain
Opendrain
Polarity
Polarity
Polarity
Polarity
D2
bit1
bit1
bit1
bit1
D1
D0
Comp. / Int.
Comp. / Int.
Comp. / Int.
Comp. / Int.
D1
LSB
LSB
LSB
LSB
D0
Shutdown
D0
BU9817FV