LM95234_07 NSC [National Semiconductor], LM95234_07 Datasheet - Page 21

no-image

LM95234_07

Manufacturer Part Number
LM95234_07
Description
Quad Remote Diode and Local Temperature Sensor with SMBus Interface and TruTherm Technology
Manufacturer
NSC [National Semiconductor]
Datasheet
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
Remote Temp 3 MSB – Unsigned
Remote Temp 3 LSB – Unsigned
Remote Temp 4 MSB – Unsigned
Remote Temp 4 LSB – Unsigned
2.1.3 Remote Temperature Value Registers with Unsigned Format
Bit(s)
7
6
5
4
3
2-0
Bit(s)
7
6
5
4
3
2
1
0
Bit(s)
7
6
5
4
3
2-0
Bit Name
1/2
1/4
1/8
0 or 1/16
0 or 1/32
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
RO
RO
RO
RO
RO
Read/
Write
RO
RO
RO
RO
RO
RO
RO
RO
Read/
Write
RO
RO
RO
RO
RO
RO
Command
(Hex)
0x1A
0x2A
0x1B
0x2B
0x1C
0x2C
Byte
0x19
0x29
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.
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/
Write
RO
RO
RO
RO
RO
RO
RO
RO
128
128
128
128
1/2
1/2
1/2
1/2
D7
21
1/8
1/8
1/8
1/8
D6
64
64
64
64
1/16
1/16
D5
32
32
32
32
0
0
0
0
1/32
1/32
D4
16
16
16
16
0
0
0
0
D3
8
0
8
0
8
0
8
0
D2
4
0
4
0
4
0
4
0
D1
2
0
2
0
2
0
2
0
D0
1
0
1
0
1
0
1
0
www.national.com
Default
(Hex)
POR

Related parts for LM95234_07