EMC1822 datasheet(4/103 Pages) MICROCHIP

4 / 103 page

7.11. Digital Filter................................................................................................................................ 24

7.12. Beta Compensation....................................................................................................................25

7.13. Resistance Error Correction (REC)............................................................................................ 26

7.14. Programmable External Diode Ideality Factor............................................................................26

7.15. Diode Faults............................................................................................................................... 28

7.16. Consecutive Alerts..................................................................................................................... 28

7.17. “Hottest Of” Comparison............................................................................................................ 30

7.18. Rate of Change.......................................................................................................................... 30

8. System Management Bus Protocol......................................................................... 33

8.1.

SMBus Start Bit.......................................................................................................................... 33

8.2.

SMBus Address and RD/WR Bit................................................................................................ 33

8.3.

SMBus Data Bytes..................................................................................................................... 33

8.4.

SMBus ACK and NACK Bits...................................................................................................... 33

8.5.

SMBus Stop Bit.......................................................................................................................... 33

8.6.

SMBus Time-Out........................................................................................................................33

8.7.

SMBus and I2C Compliance.......................................................................................................34

8.8.

SMBus Protocols........................................................................................................................34

8.9.

THERM Pin Considerations....................................................................................................... 36

8.10. Register Summary......................................................................................................................37

8.11. Data Read Interlock....................................................................................................................40

9. Packaging Information.............................................................................................95

9.1.

Package Marking Information.....................................................................................................95

10. Revision History.......................................................................................................99

The Microchip Web Site.............................................................................................. 100

Customer Change Notification Service........................................................................100

Customer Support....................................................................................................... 100

Microchip Devices Code Protection Feature............................................................... 100

Legal Notice.................................................................................................................101

Trademarks................................................................................................................. 101

Quality Management System Certified by DNV...........................................................102

Worldwide Sales and Service......................................................................................103

Multi-Channel Low Voltage Temp Sensors with Shutdown

Datasheet

DS20006048A-page 4

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