LM95235EVAL/NOPB National Semiconductor, LM95235EVAL/NOPB Datasheet - Page 20

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LM95235EVAL/NOPB

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

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
www.national.com
2.4 STATUS REGISTERS
(Read Only Address 02h):
(Read Only Address 33h):
2.5 LIMIT REGISTERS
(Read/Write Address 07h/0Dh or 0Dh/07h):
Power on Reset default is 55h (85°C).
(Read/Write Address 20h):
Power on Reset default is 55h (85°C).
(Read/Write Address 19h):
Power on Reset default is 6Eh (110°C).
Bits
5-0
Bits
6-5
7
6
7
4
3
2
1
0
Busy
D7
Not Ready
Not Ready
TruTherm 3904 Detect
Reserved
128
128
128
Busy
Reserved
ROS
Reserved
Diode Fault
RTCRIT
LOC
D7
D7
D7
D7
D6
Name
Name
0
D6
D6
D6
64
64
64
TruTherm 3904 Detect
Unsigned Local Shared OS and T_CRIT Limit - 0°C to 127°C
D5
0
Unsigned Remote T_CRIT Limit - 0°C to 255°C
When set to "1" the part is converting.
Report "0" when read.
Status Bit for Remote OS
Reports "0" when read.
Status bit for missing diode (Either D+ is shorted to GND, and/or V
D+ is floating.)
Note: The unsigned registers will report 0°C if read; the signed value registers will
report −128.000°C.
Status bit for Remote TCRIT.
Status bit for the shared Local OS and TCRIT .
D6
Unsigned Remote OS Limit - 0°C to 255°C
Waiting for 30 ms power-up sequence to end.
1: MMBT3904 is connected and TruTherm technology is enabled.
0: MMBT3904 is connected and TruTherm technology is disabled.
Reports "0" when read.
D5
D5
D5
32
32
32
ROS
D4
Status Register 1
Status Register 2
D4
D4
D4
16
16
16
D5
0
20
D3
0
D3
D3
D3
8
8
8
D4
0
Diode Fault
Description
Description
D2
D3
0
D2
D2
D2
4
4
4
D2
0
RTCRIT
D1
D1
D1
2
2
2
D1
D1
0
DD
D0
D0
D0
, and/or D-; or
1
1
1
D0
0
LOC
D0

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