KMA310 datasheet(70/71 Pages) NXP

70 / 71 page

NXP Semiconductors

KMA310

Programmable angle sensor IC

KMA310

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Product data sheet

Rev. 3 — 27 February 2019

70 / 71

Contents

General description ............................................ 1

Features and benefits .........................................1

Pinning information ............................................ 2

Ordering information .......................................... 2

Functional diagram .............................................3

Functional description ........................................4

6.1

Angular measurement directions ....................... 4

Analog output ......................................................5

Digital output .......................................................5

8.1

Transmission of sensor messages .................... 6

8.2

SYNC nibble ......................................................7

8.3

STATUS nibble ..................................................7

8.4

CRC nibble ........................................................ 8

8.5

PAUSE pulse .....................................................8

8.6

DATA nibbles .....................................................8

8.7

Single secure sensor formats A.3 and H.4 ........ 8

8.8

Dual throttle position sensor formats A.1 and

H.1 ................................................................... 10

8.9

High-speed 12-bit message format H.3 ........... 12

8.10

Enhanced serial data communication ..............13

8.10.1

Enhanced serial messages ............................. 14

8.11

SENT diagnostic ..............................................17

8.11.1

STATUS nibble diagnostic ...............................17

8.11.1.1 Diagnostic bit ................................................... 17

8.11.1.2 Pre-warning bit ................................................ 17

8.11.2

Fast channel diagnostic value ......................... 17

8.11.3

Enhanced serial protocol diagnostic status

code message ................................................. 18

Output characteristic ........................................18

9.1

No MPC mode .................................................18

9.2

MPC17 mode ...................................................19

9.3

MPC7 mode .....................................................20

Diagnostic features ...........................................20

10.1

NVM CRC (SM-20), NVM EDC check

(SM-21), and NVM ECC check (SM-22) ..........20

10.2

Power-loss detection (SM-18) and GND-loss

detection (SM-19) ............................................ 21

10.3

Supply overvoltage detection (SM-16) and

undervoltage detection (SM-17) ...................... 21

10.4

Oscillator monitoring (SM-13, SM-14 and

SM-15) ............................................................. 22

10.5

Safe assure - ASIL control unit ........................22

10.5.1

Timing description ............................................23

10.5.2

User selectable BIST .......................................23

10.5.2.1 Magnetic field conversion check (SM-01) ........ 23

10.5.2.2 Inverted angle calculation check (SM-02) ........23

10.5.2.3 Data division check (SM-03) ............................24

10.5.2.4 Data conversion check (SM-04) ...................... 24

10.5.2.5 Adjusted angle calculation check (SM-05) .......24

10.5.3

Fixed internal diagnostics ................................ 24

10.5.3.1 Control signal check (SM-06) .......................... 24

10.5.3.2 BIST completion check (SM-07) ......................24

10.5.3.3 BIST encoding check (SM-08) .........................25

10.5.3.4 SD-ADC range check (SM-09) ........................ 25

10.5.3.5 Data adder check (SM-10) .............................. 25

10.5.3.6 CORDIC range check (SM-11) ........................25

10.5.3.7 Angular range check (SM-12) ..........................25

10.6

Self-diagnostic overview .................................. 26

10.7

Self-diagnostic validation support .................... 28

Limiting values ..................................................28

Recommended operating conditions .............. 29

Thermal characteristics ....................................29

Characteristics .................................................. 29

Definition of errors ........................................... 36

15.1

General ............................................................ 36

15.2

Hysteresis error ............................................... 36

15.3

Linearity error .................................................. 36

15.4

Microlinearity error ...........................................37

15.5

Temperature drift error .................................... 38

15.6

Angular error ....................................................38

Programming .....................................................40

16.1

General description ..........................................40

16.2

Timing characteristics ...................................... 40

16.3

Sending and receiving data .............................41

16.3.1

Write access .................................................... 42

16.3.2

Read access ....................................................43

16.3.3

Entering the command mode .......................... 44

16.4

Cyclic redundancy check .................................44

16.4.1

Software example in C++ ................................ 45

16.5

Registers ..........................................................46

16.5.1

Signatures ........................................................46

16.5.2

Command registers ......................................... 46

16.5.3

Non-volatile memory registers ......................... 47

Electromagnetic compatibility ......................... 56

17.1

Emission (CISPR25) ........................................56

17.1.1

Conducted radio disturbance ...........................56

17.1.2

Radiated radio disturbance ..............................56

17.2

Radiated disturbances (ISO 11452-1 fourth

edition [2015-06], ISO 11452-2, ISO

11452-4 and ISO 11452-5) ..............................56

17.2.1

Absorber lined shielded enclosure ...................57

17.2.2

Bulk-current injection ....................................... 57

17.2.3

Strip line ...........................................................57

17.2.4

Immunity against mobile phones ..................... 57

17.3

Electrical transient transmission (ISO 7637-3

second edition [2007-07]) ................................ 57

17.3.1

Capacitive coupling ..........................................57

17.3.2

Inductive coupling ............................................57

Electrostatic discharge .....................................58

18.1

Human body model (AEC-Q100-002) ..............58

18.2

Human

metal

model

(ANSI/ESD

SP5.6-2009) .....................................................58

18.3

Machine model (AEC-Q100-003 legacy) ......... 58

18.4

Charged-device model (AEC-Q100-011) .........58

Application information ....................................59

19.1

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

19.2

Digital output ....................................................59

Test information ................................................60

20.1

Quality information ...........................................60

Marking ...............................................................60

Package information .........................................61

22.1

Reading point position .....................................61

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