KMA310 datasheet(9/71 Pages) NXP

9 / 71 page

NXP Semiconductors

KMA310

Programmable angle sensor IC

KMA310

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Product data sheet

Rev. 3 — 27 February 2019

9 / 71

aaa-008202

12-bit angular value

8-bit loop

counter

Figure 6. Single secure sensor formats A.3 and H.4

Table 6. Single secure sensor formats A.3 and H.4: frame

SYNC

STATUS

DATA0

DATA1

DATA2

DATA3

DATA4

DATA5

CRC

D0[1]

D2[2]

D3[1]

D4[2]

diagnostic and

pre-warning

12-bit angular value

8-bit loop counter

inverted D0

[1]

MSN.

[2]

Least significant nibble (LSN).

DATA nibbles D0 to D2 contain the angular value information in the single secure

sensor format. A.3 uses the complete 12-bit data range for angular values while H.4 has

reserved values for initialization and diagnostic information.

Table 7. DATA nibbles D0 to D2: angular value

A.3

H.4

D0[1]

D2[2]

12-bit value

Angle

12-bit value Angle/mode

0000

0°

initialization message

0000

0001

0°

1111

1000

4088

αmax

1111

reserved

1111

1010

4090

diagnostic mode[3]

1111

reserved

1111

4095

αmax

4095

reserved

[1]

MSN.

[2]

LSN.

[3]

For detailed diagnostic information, the serial data communication can be enabled.

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