Datasheet
LM95235
LM95235-Q1
SNIS142F –APRIL 2006–REVISED MARCH 2013
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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
P7 P6 P5 P4 P3 P2 P1 P0
Command
Table 9. Register Summary
Read Write No. POR
Read/
Register Name Address Address of Default Description
Write
(Hex) (Hex) bits (Hex)
TEMPERATURE SIGNED VALUE REGISTERS
Local Temp MSB 0x00 NA 8 - RO Supports SMBus byte
Local Temp LSB 0x30 NA 3 - RO All unused bits are reported as "0".
Remote Temp MSB – Signed 0x01 NA 8 - RO Supports SMBus byte
Remote Temp LSB – Signed 0x10 NA 5/3 - RO All unused bits are reported as "0".
TEMPERATURE UNSIGNED VALUE REGISTERS
Remote Temp MSB – Unsigned 0x31 NA 8 - RO Supports SMBus byte reads
Remote Temp LSB – Unsigned 0x32 NA 5/3 - RO All unused bits are reported as "0".
DIODE CONFIGURATION REGISTERS
Filter Enable, Diode Model Select, Diode
Configuration Register 2 0xBF 0xBF 5 0x1F R/W
Fault Mask; Pin 6 OS/A0 function select
Remote Offset High Byte 0x11 0x11 8 0x00 R/W 2's Complement
Remote Offset Low Byte 2's Complement
0x12 0x12 3 0x00 R/W
All unused bits are reported as "0".
GENERAL CONFIGURATION REGISTERS
0x03/ 0x09/ STOP/RUN , Remote TCRIT mask, Remote
Configuration Register 1 5 0x00 R/W
0x09 0x03 OS mask, Local TCRIT mask, Local OS mask
0x04/0x0 0x04/0x0
Conversion Rate 2 0x02 R/W Continuous or specific settings
A A
A write to this register activates one
One-Shot NA 0x0F - - WO
conversion if STOP/RUN bit = 1.
STATUS REGISTERS
Status Register 1 0x02 NA 5 - RO Busy bit, and status bits
Status Register 2 0x33 NA 2 - RO Not Ready bit, Diode detect bit
LIMIT REGISTERS
0x07/ 0x0D/ Unsigned 0 to 255°C
Remote OS Limit 8 0x55 R/W
0x0D 0x07 Default 85°C
Local Shared OS and T_Crit Limit Unsigned 0 to 127°C
0x20 0x20 7 0x55 R/W
Default 85°C
Unsigned 0 to 255°C
Remote T_Crit Limit 0x19 0x19 8 0x6E R/W
Default 110°C
Common Hysteresis 0x21 0x21 5 0x0A R/W up to 31°C
IDENTIFICATION REGISTERS
Manufacturer ID 0xFE 0x01 RO Always returns 0x01
Revision ID 0xFF 0xB1 RO Returns revision number.
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