LM95245CIM/NOPB National Semiconductor, LM95245CIM/NOPB Datasheet - Page 18
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LM95245CIM/NOPB
Manufacturer Part Number
LM95245CIM/NOPB
Description
IC TEMP SENSE DIGITAL W/TT 8SOIC
Manufacturer
National Semiconductor
Series
TruTherm®r
Datasheet
1.LM95245CIMMNOPB.pdf
(26 pages)
Specifications of LM95245CIM/NOPB
Function
Hardware Monitor
Topology
ADC (Sigma Delta), Comparator, Register Bank
Sensor Type
External & Internal
Sensing Temperature
-40°C ~ 85°C, External Sensor
Output Type
SMBus™
Output Alarm
Yes
Output Fan
Yes
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
For Use With
LM95245EB - BOARD EVALUATION FOR LM95245
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM95245CIM
www.national.com
(R/W Address 11h)
10-bit plus sign format:
Power up default is 00h.
(R/W Address 12h)
10-bit plus sign format:
Power up default is 00h. LSb = 0.125 °C.
2.3 GENERAL CONFIGURATION REGISTERS
(Read/write Address 03h/09h or 09h/03h):
Power up default is 00h.
(Read/write Address 04h/0Ah or 0Ah/04h):2-bit format:
D7
0
STOP/RUN
D6
Value
BIT
D5
0
Bits
7:2
1:0
Value
Value
BIT
BIT
Bits
Remote T_CRIT Mask
7
6
5
4
3
2
1
0
Conversion Rate
D7
SIGN
0.50
0
Reserved
D7
D7
Name
Reserved
STOP/RUN
Reserved
Remote T_CRIT Mask
Remote OS Mask
Local T_CRIT Mask
Local OS Mask
Reserved
Remote Offset High Byte (2's Complement)
Remote Offset Low Byte (2's Complement)
Name
D4
D6
0
0.25
D6
D6
64
Conversion Rate Register
Configuration Register 1
D5
0
0.125
Reports "0" when read.
00: Continuous (33 ms typical when remote
diode is missing or fault or 63 ms typical with
remote diode connected)
01: 0.364 seconds
10: 1 second
11: 2.5 seconds
D5
D5
32
Remote OS Mask Local T_CRIT Mask
D4
0
18
D4
D4
D3
16
0
D3
0
Description
Reports "0" when read.
0: Active / Converting
1: Standby
Reports "0" when read.
0: Off
1: On
0: Off
1: On
0: Off
1: On
0: Off
1: On
Reports "0" when read.
D2
0
D3
D3
Description
8
0
D2
D2
MSb
4
0
D1
D2
D1
D1
2
0
D0
D0
1
0
LSb
D0
Local OS Mask
D1
D0
0