STLM75M2F STMicroelectronics, STLM75M2F Datasheet - Page 24

• Manufacturer Part Number: STLM75M2F
• Description: IC TEMP SNSR DGTL WATCHDOG 8SOIC
• Manufacturer: STMicroelectronics

Specifications of STLM75M2F

• Function: Temp Sensor, Watchdog
• Topology: ADC (Sigma Delta), Comparator, Register Bank
• Sensor Type: Internal
• Sensing Temperature: -55°C ~ 125°C
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: No
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Full Temp Accuracy: +/- 3 C
• Digital Output - Bus Interface: Serial (2-Wire, I2C)
• Digital Output - Number Of Bits: 12 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 55 C
• For Use With: 497-10508 - BOARD EVAL FOR MEMS SENSORS497-10048 - BOARD EVAL ACCELEROMETER497-8848 - EVAL DAUGHTER STLM75 8-SOIC497-6238 - BOARD STLM75/STDS75/ST72F651
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6926-2; STLM75M2F

Functional description
Figure 9.
Figure 10. Typical pointer set followed by an immediate READ for 2-byte register (e.g. temp)
Figure 11. Typical 1-byte READ from the configuration register with preset pointer
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Repeat
Master
Master
Master
Start
Start
Start
by
Master
by
by
Start
by
1
1
1
1
1
1
1
1
Typical 2-byte READ from preset pointer location (e.g. temp - T
0
0
0
0
Address Byte
Address Byte
0
Address Byte
0
0
Address Byte
0
1
1
1
1
A2 A1 A0 R/W
A2 A1 A0 R/W
A2 A1 A0 R/W
A2 A1 A0 R/W
STLM75
STLM75
STLM75
ACK
STLM75
ACK
ACK
by
9
by
by
9
9
ACK
by
9
D7 D6 D5 D4 D3 D2 D1 D0
1
D7 D6 D5 D4 D3 D2 D1 D0
1
0
1
Most Significant Data Byte
D7 D6 D5 D4 D3 D2 D1 D0
1
Most Significant Data Byte
0
Doc ID 13296 Rev 12
0
Pointer Byte
Data Byte
0
0
0
D1 D0
STLM75
Master
No ACK
Master
ACK
ACK
by
Master
9
by
by
ACK
9
9
by
9
D7 D6 D5 D4 D3 D2 D1 D0
1
Least Significant Data Byte
D7 D6 D5 D4 D3 D2 D1 D0
1
Master
Least Significant Data Byte
Cond.
Stop
by
OS
, T
No ACK
Master
No ACK
by
HYS
Master
9
by
9
)
Master
Cond.
Stop
by
Master
Cond.
Stop
by
STLM75
AI12227
AI12229
AI12228