LM95245CIM/NOPB National Semiconductor, LM95245CIM/NOPB Datasheet - Page 19

• Manufacturer Part Number: LM95245CIM/NOPB
• Description: IC TEMP SENSE DIGITAL W/TT 8SOIC
• Manufacturer: National Semiconductor
• Series: TruTherm®r

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

Power up default is 02h (1 second).
(Write Only Address 0Fh):
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).
Bits
5-0
Bits
6-5
7
6
7
4
3
2
1
0
Writing to this register will start one conversion if the device is in standby mode (i.e. STOP/RUN bit = 1).
Busy
D7
Not Ready
Not Ready
Reserved
Reserved
Busy
Reserved
ROS
Reserved
Diode Fault
RTCRIT
LOC
128
128
D7
D7
D7
D6
Name
0
Name
D6
D6
64
64
Unsigned Local Shared OS and T_CRIT Limit - 0°C to 127°C
D5
0
Reserved
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, or V
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.
Can report "0" or "1" when read.
Reports "0" when read.
D5
D5
32
32
ROS
D4
One Shot Register
Status Register 1
Status Register 2
D4
D4
16
16
D5
0
19
D3
0
D3
D3
8
8
D4
0
Diode Fault
Description
Description
D2
D3
0
D2
D2
4
4
D2
0
RTCRIT
D1
D1
2
2
D1
D1
0
DD
; or D+ is floating.)
D0
D0
1
1
D0
0
LOC
D0
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