FXOS8700CQ datasheet(45/86 Pages) FREESCALE

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Sensors

Freescale Semiconductor, Inc.

9.8.5

PL_THS_REG (0x14) register

Portrait to landscape trip threshold registers.

Table 42. PL_BF_ZCOMP bit descriptions

Field

Description

zlock[2:0]

Z-lock angle threshold. range is from 13° to 44°. Step size is approximately 4°. See Table 42 for more information.

Default value: 00

≥ 13°.

Maximum value: 07

≥ 44°.

bkfr[1:0]

Back/front trip angle threshold. See Table 43 for more information.

Default: 10

≥ ±75°. Step size is 5°.

Range: ±(65° to 80°).

Table 43. Z-Lockout Angle definitions

zlock

Resultant angle (min) for positions

between Landscape and Portrait

Resultant angle (max) for

ideal Landscape or Portrait

0x00

13.6

14.5

0x01

17.1

18.2

0x02

20.7

22.0

0x03

24.4

25.9

0x04

28.1

30.0

0x05

32.0

34.2

0x06

36.1

38.7

0x07

40.4

43.4

Table 44. Back/Front Orientation definitions

bkfr

Back

→ Front Transition

Front

→ Back Transition

Z < 80° or Z > 280°

Z > 100° and Z < 260°

Z < 75° or Z > 285°

Z > 105° and Z < 255°

Z < 70° or Z > 290°

Z > 110° and Z < 250°

Z < 65° or Z > 295°

Z > 115° and Z < 245°

pl_ths[4:0]

hys[2:0]

0b00011

0b010

Figure 43. PL_THS_REG register

Table 45. Threshold angle lookup table

Threshold angle (approx.)

5-bit register value

0x07

0x09

0x0C

0x0D

0x0F

0x10

0x13

0x14

0x17

0x19

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