LM95233_07 NSC [National Semiconductor], LM95233_07 Datasheet - Page 21
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LM95233_07
Manufacturer Part Number
LM95233_07
Description
Dual Remote Diode and Local Temperature Sensor with SMBus Interface and TruTherm Technology
Manufacturer
NSC [National Semiconductor]
Datasheet
1.LM95233_07.pdf
(36 pages)
Register Name
Remote Temp 1 MSB – Unsigned
Remote Temp 1 LSB – Unsigned,
Digital Filter Off
Remote Temp 1 LSB – Unsigned,
Digital Filter On
Remote Temp 2 MSB – Unsigned
Remote Temp 2 LSB – Unsigned,
Digital Filter Off
Remote Temp 2 LSB – Unsigned,
Digital Filter On
Register Name
Diode Model Select
2.1.3 Remote Temperature Value Registers with Unsigned Format
2.2 DIODE CONFIGURATION REGISTERS
2.2.1 Diode Model Select
Bit(s)
7
6
5
4
3
2
1
0
Bit(s)
7
6
5
4
3
2-0
Bit(s)
7-3
2
1
0
Bit Name
0
R2TE
R1TE
0
Bit Name
SIGN
64
32
16
8
4
2
1
Bit Name
1/2
1/4
1/8
0 or 1/16
0 or 1/32
0
Read/
Write
RO
R/W
R/W
RO
Read/
Write
RO
RO
RO
RO
RO
RO
RO
RO
Read/
Write
RO
RO
RO
RO
RO
RO
Command
Command
(Hex)
(Hex)
0x1A
0x2A
Byte
0x19
0x29
Byte
0x30
Description
Reserved – will report "0" when read.
Remote 2 TruTherm Enable
Remote 1 TruTherm Enable
Reserved - will report "0" when read.
Description
bit weight 128°C
bit weight 64°C
bit weight 32°C
bit weight 16°C
bit weight 8°C
bit weight 4°C
bit weight 2°C
bit weight 1°C
Description
bit weight 1/2°C (0.5°C)
bit weight 1/4°C (0.25°C)
bit weight 1/8°C (0.125°C)
When the digital filter is disabled this bit will always read "0".
When the digital filter is enabled this bit will report 1/16°C (0.0625°C) bit state.
When the digital filter is disabled this bit will always read "0".
When the digital filter is enabled this bit will report 1/32°C (0.03125°C) bit state.
Reserved – will report "0" when read.
Read/
Read/
Write
Write
R/W
RO
RO
RO
RO
128
128
1/2
1/2
D7
D7
0
21
1/8
1/8
D6
D6
64
64
0
1/16
1/16
D5
D5
32
32
0
0
0
1/32
1/32
D4
D4
16
16
0
0
0
logic 1 selects diode model 1 TruTherm™
BJT beta compensation technology
enabled (Ex: Intel 65 nm technology)
logic 0 selects diode model 2 MMBT3904
D3
D3
8
0
8
0
0
R2TE
D2
D2
4
0
4
0
R1TE
D1
D1
2
0
2
0
D0
D0
1
0
1
0
0
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Default
Default
(Hex)
(Hex)
POR
POR
0x02
–
–
–
–