FXLS8471Q Datasheet, PDF (45/75 Pages) Freescale Semiconductor, Inc – Linear Accelerometer

10.7 Portrait/Landscape Detection
The FXLS8471Q is capable of detecting six orientations: Landscape Left, Landscape Right, Portrait Up, and Portrait Down with
Z-lockout feature as well as Face Up and Face Down orientation as shown in Figures 13, 14 and 15. For more details on the
meaning of the different user-configurable settings and for example code, please refer to Freescale application note AN4068.
90°
NORMAL
DETECTION
Z-LOCK = 32.142°
LOCKOUT
REGION
0°
Figure 13. Illustration of Z-tilt angle lockout transition
.
Portrait
90°
Landscape to Portrait
Trip Angle = 60°
0° Landscape
Figure 14. Illustration of landscape to portrait transition
.
Portrait
90°
Portrait to Landscape
Trip Angle = 30°
0° Landscape
Figure 15. Illustration of portrait to landscape transition
Sensors
Freescale Semiconductor, Inc.
FXLS8471Q
45