KMA321 datasheet(55/71 Pages) NXP

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NXP Semiconductors

KMA321/A

Programmable angle sensor IC

Examples:

• Clamp range 80 %VDD = 1000h

• Clamp range 90 %VDD = 1200h (default)

• Clamp range 95 %VDD = 1300h

SENSOR_TYPE

12-bit code

Definition

0000b (default)

051h[1]

acceleration pedal position 1 or acceleration pedal position 2

0001b

052h[1]

acceleration pedal position 1 or secure sensor

0010b

053h[1]

acceleration pedal position 2 (redundant signal) or secure sensor

0011b

054h[1]

throttle position 1 or throttle position 2

0100b

055h[1]

throttle position 1 or secure sensor

0101b

056h[1]

throttle position 2 (redundant signal) or secure sensor

0110b

059h[1]

angle position

0111b

05Ah[1]

angle position or secure sensor

1000b

062h[2]

angle position (high speed) H.3 protocol format

1001b

063h[2]

angle position 1 or angle position 2 H.1 protocol format

1010b

064h[2]

angle position or secure sensor H.4 protocol format

1011b

066h[2]

reserved for angle position sensors

1101b to 1111b

000h

reserved

Table 62. SENSOR_TYPE

[1]

Compliant with SAE JAN2010 rev 3 only.

[2]

Compliant with SAE APR2016 rev 4 only.

PROTOCOL_FORMAT

Protocol

Description

SENT revision

000b

A.1

dual throttle position sensor

JAN2010 rev 3

001b

A.3

single secure sensor

JAN2010 rev 3

010b

H.1

dual throttle position sensor[1]

APR2016 rev 4

011b

H.3

high-speed 12-bit fast channel

APR2016 rev 4

100b (default)

H.4

single secure sensor[2]

APR2016 rev 4

Table 63. PROTOCOL_FORMAT

[1]

This format uses the same data mapping as the A.1 protocol but excludes the reserved diagnostic values from the data range as defined in

APR2016 rev 4 specification.

[2]

This format uses the same data mapping as the A.3 protocol but excludes the reserved diagnostic values from the data range as defined in

APR2016 rev 4 specification.

KMA321_A

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 6 — 18 May 2022

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