LM75 ON Semiconductor, LM75 Datasheet - Page 7

• Manufacturer Part Number: LM75
• Description: 2-Wire Serial Temperature Sensor and Monitor
• Manufacturer: ON Semiconductor

REGISTER SET AND PROGRAMMER’S MODEL
Register (POINT), 8–bits, Write–only
Pointer Register (POINT)
Register Selection via the Pointer Register:
Configuration Register (CONFIG), 8–bits,
Read/Write
Configuration Register (CONFIG)
D0: Shutdown:
D1: CMPTR/INT: 0 = Comparator Mode
D2: INT/CMPTR POLARITY: 0 = Active Low
D3 – D4: Fault Queue: Number of sequential
temperature–to–digital conversions with the same result
before the INT/CMPTR output is updated:
D[7]
D[7]
Must Be Set
To Zero
D4
0
0
1
1
D[6]
D1
0
0
1
1
D[6]
Must Be Set To Zero
D[5]
D[5]
D[4]
0 = Normal Operation
1 = Shutdown Mode
1 = Interrupt Mode
D3
0
1
0
1
Queue
Fault
D[4]
D[3]
D0
0
1
0
1
1 = Active High
Number of Conversions
1 (Power–up–default)
2
4
6
D[3]
CMPTR.
POLAR-
D[2]
INT/
ITY
Register Selection
TEMP
CONFIG
T HYST
T SET
D[2]
COMP/
D[1]
INT.
D[1]
Pointer
Shut–
Down
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D[0]
D[0]
LM75
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