LM95235EVAL/NOPB National Semiconductor, LM95235EVAL/NOPB Datasheet - Page 15

• Manufacturer Part Number: LM95235EVAL/NOPB
• Description: BOARD EVALUATION LM95235
• Manufacturer: National Semiconductor
• Series: PowerWise®, TruTherm®r

Specifications of LM95235EVAL/NOPB

• Sensor Type: Temperature
• Sensing Range: -40°C ~ 125°C
• Interface: SMBus (2-Wire/I²C)
• Sensitivity: ±1°C
• Voltage - Supply: 3 V ~ 3.6 V
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LM95235
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM95235EVAL

2.0 LM95235 Registers
Command register selects which registers will be read from or written to. Data for this register should be transmitted during the
Command Byte of the SMBus write communication. POR means Power-On Reset.
P0-P7: Command
Register Name
TEMPERATURE SIGNED VALUE REGISTERS
Local Temp MSB
Local Temp LSB
Remote Temp MSB –
Signed
Remote Temp LSB –
Signed
TEMPERATURE UNSIGNED VALUE REGISTERS
Remote Temp MSB –
Unsigned
Remote Temp LSB –
Unsigned
DIODE CONFIGURATION REGISTERS
Configuration Register 2
Remote Offset
High Byte
Remote Offset
Low Byte
GENERAL CONFIGURATION REGISTERS
Configuration Register 1
Conversion Rate
One-Shot
STATUS REGISTERS
Status Register 1
Status Register 2
LIMIT REGISTERS
Remote OS Limit
Local Shared OS and
T_Crit Limit
Remote T_Crit Limit
Common Hysteresis
0x04/0x0
Address
Read
(Hex)
0x03/
0x07/
0xBF
0x0D
0x00
0x30
0x01
0x10
0x31
0x32
0x11
0x12
0x09
0x02
0x33
0x20
0x19
0x21
P7
NA
A
P6
Address
0x04/0x0
0x0D/
Write
(Hex)
0xBF
0x09/
0x0F
0x11
0x12
0x03
0x07
0x20
0x19
0x21
NA
NA
NA
NA
NA
NA
NA
NA
A
P5
Register Summary
bits
No.
5/3
5/3
of
8
3
8
8
5
8
3
5
2
−
5
2
8
7
8
5
P4
Command
15
Default
(Hex)
0x1F
0x6E
0x0A
POR
0x00
0x00
0x00
0x02
0x55
0x55
−
−
−
−
−
−
−
−
−
P3
Read/
Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
WO
RO
RO
RO
RO
RO
RO
RO
RO
P2
Supports SMBus byte
All unused bits are reported as "0".
Supports SMBus byte
All unused bits are reported as "0".
Supports SMBus byte reads
All unused bits are reported as "0".
Filter Enable, Diode Model Select, Diode
Fault Mask; Pin 6 OS/A0 function select
2's Complement
2's Complement
All unused bits are reported as "0".
STOP/RUN , Remote TCRIT mask,
Remote OS mask, Local TCRIT mask,
Local OS mask
Continuous or specific settings
A write to this register activates one
conversion if STOP/RUN bit = 1.
Busy bit, and status bits
Not Ready bit, Diode detect bit
Unsigned 0 to 255 °C
Default 85 °C
Unsigned 0 to 127 °C
Default 85 °C
Unsigned 0 to 255 °C
Default 110 °C
up to 31°C
P1
P0
Description
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