L9966 datasheet(116/122 Pages) STMICROELECTRONICS

116 / 122 page

9.2.1

Sequencer channels addressing ............................................ 39

9.2.2

Sequencer execution control............................................... 42

9.2.3

Priority mechanism ...................................................... 43

9.3

Interrupt generation............................................................ 45

SENT Interface ...................................................................47

Voltage dividers and internal signals ..............................................49

Voltage comparators..............................................................50

12.1

Absolute comparators.......................................................... 50

12.2

Ratiometric comparator ........................................................ 50

SPI interface......................................................................51

13.1

SPI interface characteristics .................................................... 51

13.2

Address multiplexing........................................................... 52

13.3

SPI mode .................................................................... 53

13.4

Frame definition............................................................... 53

13.5

Burst mode................................................................... 55

13.6

SPI parameters ............................................................... 57

13.7

SPI chip ID ................................................................... 58

Output............................................................................59

14.1

Analog output AOX ............................................................ 59

14.2

Digital outputs SENTx_GTMx ................................................... 59

14.3

INT output ................................................................... 60

14.4

WAKE output ................................................................. 60

Inductive sensor interface ........................................................62

15.1

VRS interface................................................................. 62

15.2

VRS - Normal mode ........................................................... 63

15.2.1

VRS normal mode configurations ........................................... 64

15.2.2

VRS_A – Manual Hysteresis ............................................... 65

15.2.3

VRS_A – Fully adaptive hysteresis .......................................... 66

15.2.4

VRS_A – Adaptive Filter Time.............................................. 67

15.2.5

VRS_B – Manual Hysteresis ............................................... 68

15.2.6

VRS_B –Limited Adaptive Hysteresis ........................................ 69

L9966

Contents

DS12459 - Rev 10

page 116/122

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