STTS22H datasheet(25/29 Pages) STMICROELECTRONICS

25 / 29 page

Contents

Overview ..........................................................................3

Pin description ....................................................................4

Sensor parameters and electrical specifications....................................5

3.1

Temperature accuracy specifications .............................................. 6

Absolute maximum ratings ........................................................7

Digital interfaces ..................................................................8

5.1

SMBus interface ............................................................... 8

5.1.1

SMBus protocol.......................................................... 8

5.1.2

WRITE byte ............................................................ 8

5.1.3

READ byte ............................................................. 9

5.1.4

SEND byte ............................................................. 9

5.1.5

RECEIVE byte .......................................................... 9

5.1.6

SMBus timeout .......................................................... 9

5.1.7

Alert response address .................................................... 9

5.2

I²C interface .................................................................. 10

5.2.1

I²C protocol ............................................................ 11

5.2.2

I²C read and write sequences .............................................. 12

6.1

WHOAMI (01h) - RO........................................................... 13

6.2

TEMP_H_LIMIT (02h) - RW..................................................... 13

6.3

TEMP_L_LIMIT (03h) - RW ..................................................... 13

6.4

CTRL (04h) - RW ............................................................. 14

6.5

STATUS (05h) - RO ........................................................... 14

6.6

TEMP_L_OUT (06h) - RO ...................................................... 15

6.7

TEMP_H_OUT (07h) - RO ...................................................... 15

6.8

SOFTWARE_RESET (0Ch) - RW ................................................ 15

Interrupt ..........................................................................16

ALERT / INT output ...............................................................17

Operating modes .................................................................18

STTS22H

Contents

DS12606 - Rev 4

page 25/29

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