KMA310 datasheet(28/71 Pages) NXP

28 / 71 page

NXP Semiconductors

KMA310

Programmable angle sensor IC

KMA310

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Product data sheet

Rev. 3 — 27 February 2019

28 / 71

10.7 Self-diagnostic validation support

To validate the correct function of self-diagnostics within the system, enable the

self-diagnostic validation support bit 10 in SYS_SETTING register. In case this bit is

logic 1 the device shows diagnostic modes based on the content of OEM_CODE1

which is the default mode.

Table 36. Self-diagnostic validation support

OEM_CODE1 value

Safety mechanism

Comment

001h

SM-01

magnetic field conversion check

002h

SM-02

inverted angle calculation check

004h

SM-03

data division check

008h

SM-04

data conversion check

010h

SM-05

adjusted angle calculation check

020h

SM-06[1]

control signal check

040h

SM-07[1]

BIST completion check

080h

SM-08[1]

BIST encoding check

100h

SM-09[1]

SD-ADC range check

200h

SM-10[1]

data adder check

400h

SM-11[1]

CORDIC range check

800h

SM-12[1]

angular range check

[1]

Disable the corresponding ASIL mask bits in the ASIL_SETTING register.

11 Limiting values

Table 37. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134).

Symbol

Parameter

Conditions

Min

Max Unit

VDD

supply voltage

−0.3

+18 V

output voltage

−0.3

+18 V

VO(ov)

overvoltage output voltage

Tamb < 140 °C at t < 1 h

[1] Vth(ov)

reverse current

Tamb < 70 °C

150 mA

Tamb

ambient temperature

−40

+180 °C

Tamb(pr)

programming ambient temperature

°C

Tstg

storage temperature

−40

+125 °C

tdiag

diagnostic time

output voltage level ≤ 4 %VDD or ≥ 96 %VDD

100 h

Non-volatile memory

tret(D)

data retention time

Tamb = 50 °C

year

Nendu(W_ER) write or erase endurance

Tamb(pr) = 70 °C

100

cycle

[1]

Overvoltage on output and supply within the specified operating voltage range.

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