KMA215,118 Datasheet KMA215,118 | P10-P12

Product data sheet Rev. 1 — 24 February 2014 10 of 50

NXP Semiconductors

KMA215

Programmable angle sensor with SAE J2716 SENT

6.1.5.2 Dual throttle position sensor format A.1

The KMA215 transmits the sequence defined in Table 9

repeatedly in accordance with the

dual throttle position sensor format defined in SAE J2716 JAN2010 SENT appendix A.1.

DATA nibbles D0 to D2 contain the 12-bit angular value. DATA nibbles D3 to D5 contain

the opposite slope of the same 12-bit angular value while also the order of these DATA

nibbles is reversed.

[1] MSN.

[2] LSN.

DATA nibbles D0 to D2 contain the angular value information in the dual throttle position

sensor format.

[1] MSN.

[2] LSN.

For the inverted slope angular value in the DATA nibbles DATA3 to DATA5 the order of the

nibbles is also reversed: LSN, MidSN, MSN. When a diagnostic condition occurs, the

DATA nibbles D0 to D2 are all set to Fh and DATA nibbles DATA3 to DATA5 are all set to

0h.

Fig 6. Dual throttle position sensor format A.1

Table 9. Data content of dual throttle position sensor format A.1 frame

SYNC STATUS DATA0 DATA1 DATA2 DATA3 DATA4 DATA5 CRC

- error flag D0

[1]

D1 D2

[2]

D4 D3

[1]

- 12-bit angular value 12-bit inverted slope angular value -

Table 10. DATA nibbles D0 to D2: angular value

[1]

D1 D2

[2]

12-bit value Angle

0000 0000 0001 1 0

:::::

1111 1111 1110 4094 

max

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Product data sheet Rev. 1 — 24 February 2014 11 of 50

NXP Semiconductors

KMA215

Programmable angle sensor with SAE J2716 SENT

[1] MSN.

[2] LSN.

For the dual throttle position sensor format A.1 clamping levels must be set to the correct

values to comply to the SAE J2716 SENT specification. Otherwise angular values

overwrite reserved data range for diagnostic information. The angular range multiplier and

clamp switch angle must also be adapted thus the desired angular range is mapped to the

remaining data range correctly.

Settings for dual throttle position sensor format A.1 180 full angular range; also see

Table 33

CLAMP_LO: 0001h

CLAMP_HI: 0FFEh

ANG_RNG_MULT: 3FFFh

The KMA215 supports the A.1 dual throttle position sensor format in different

configurations which can be programmed in the configuration register. Shorthand

notations of available configurations and corresponding SENT mode register values are

listed in Table 12

Table 11. DATA nibbles DATA[5:3]: inverted slope angular value

[1]

D4 D3

[2]

12-bit value Angle

0000 0000 0001 1 

max

:::::

1111 1111 1110 4094 0

Table 12. Dual throttle position sensor format configurations

Shorthand notation SENT

mode

SENT

release

Clock

tick time

DATA

nibbles

PAUSE

pulse

Serial

message

Data

format

SENT2010-03.0us-6dn-npp-nsp-A.1 44h 2010 3.0 s 6 no no A.1

SENT2010-03.0us-6dn-npp-esp-A.1 45h 2010 3.0 s6 no yes A.1

SENT2010-03.0us-6dn-ppc(297.0)-nsp-A.1 46h 2010 3.0 s6 yes no A.1

SENT2010-03.0us-6dn-ppc(297.0)-esp-A.1 47h 2010 3.0 s 6 yes yes A.1

SENT2010-04.5us-6dn-npp-nsp-A.1 48h 2010 4.5 s 6 no no A.1

SENT2010-04.5us-6dn-npp-esp-A.1 49h 2010 4.5 s6 no yes A.1

SENT2010-04.5us-6dn-ppc(297.0)-nsp-A.1 4Ah 2010 4.5 s6 yes no A.1

SENT2010-04.5us-6dn-ppc(297.0)-esp-A.1 4Bh 2010 4.5 s 6 yes yes A.1

SENT2010-06.0us-6dn-npp-nsp-A.1 4Ch 2010 6.0 s 6 no no A.1

SENT2010-06.0us-6dn-npp-esp-A.1 4Dh 2010 6.0 s6 no yes A.1

SENT2010-06.0us-6dn-ppc(297.0)-nsp-A.1 4Eh 2010 6.0 s6 yes no A.1

SENT2010-06.0us-6dn-ppc(297.0)-esp-A.1 4Fh 2010 6.0 s 6 yes yes A.1

SENT2010-12.0us-6dn-npp-nsp-A.1 50h 2010 12.0 s 6 no no A.1

SENT2010-12.0us-6dn-npp-esp-A.1 51h 2010 12.0 s6 no yes A.1

SENT2010-12.0us-6dn-ppc(297.0)-nsp-A.1 52h 2010 12.0 s6 yes no A.1

SENT2010-12.0us-6dn-ppc(297.0)-esp-A.1 53h 2010 12.0 s 6 yes yes A.1

SENT2010-24.0us-6dn-npp-nsp-A.1 54h 2010 24.0 s 6 no no A.1

Product data sheet Rev. 1 — 24 February 2014 12 of 50

NXP Semiconductors

KMA215

Programmable angle sensor with SAE J2716 SENT

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

The KMA215 supports a special high-speed 12-bit message format mode that realizes

almost a doubling of the update rate compared to the other modes. The increase of the

update rate is achieved by transmitting 12-bit angular data with only four DATA nibbles

using only 3 bit of the available 4 bit per nibble. The MSB of each nibble is always zero.

Additionally, the clock tick length is reduced to 2.7 s typically with a maximum variation of

10 %. The SYNC, STATUS and CRC nibble and the serial communication are the same

as in the other modes described in Section 6.1.5.1

. A PAUSE pulse option is not available

for the high-speed 12-bit message format. The high-speed 12-bit message format H.3

complies to the SAE J2716 JAN2010 standard.

[1] MSN.

[2] LSN.

To limit the total message length below 500 s respectively 550 s with serial data

communication some data values are reserved as described in Table 14

SENT2010-24.0us-6dn-npp-esp-A.1 55h 2010 24.0 s6 no yes A.1

SENT2010-24.0us-6dn-ppc(297.0)-nsp-A.1 56h 2010 24.0 s6 yes no A.1

SENT2010-24.0us-6dn-ppc(297.0)-esp-A.1 57h 2010 24.0 s 6 yes yes A.1

Table 12. Dual throttle position sensor format configurations

…continued

Shorthand notation SENT

mode

SENT

release

Clock

tick time

DATA

nibbles

PAUSE

pulse

Serial

message

Data

format

Fig 7. Example encoding scheme for a high-speed 12-bit frame

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Table 13. Data content of high-speed 12-bit message format frame

SYNC STATUS DATA0 DATA1 DATA2 DATA3 CRC

- error flag D0

[1]

D1 D2 D3

[2]

- 12-bit angular value -

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P21 P22-P24 P25-P27 P28-P30 P31-P33 P34-P36 P37-P39 P40-P42 P43-P45 P46-P48 P49-P50

KMA215,118

Mfr. #:

Buy KMA215,118

Manufacturer:

NXP Semiconductors

Description:

SENSOR ANGLE 180 DEG PC PIN

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KMA215,118