MMA8452Q

Sensors

14

Freescale Semiconductor, Inc.

Figure 7. Landscape/Portrait Orientation

Figure 8. Illustration of Landscape to Portrait Transition (A) and Portrait to Landscape Transition (B)

Figure 9 illustrates the Z-angle lockout region. When lifting the device upright from the flat position it will be active for

orientation detection as low as 29° from flat. .

Figure 9. Illustration of Z-Tilt Angle Lockout Transition

Top View

PU

Earth Gravity

Pin 1

Xout @ 0g

Yout @ -1g

Zout @ 0g

Xout @ 1g

Yout @ 0g

Zout @ 0g

Xout @ 0g

Yout @ 1g

Zout @ 0g

Xout @ -1g

Yout @ 0g

Zout @ 0g

LL

PD

LR

Side View

FRONT

Xout @ 0g

Yout @ 0g

Zout @ 1g

BACK

Xout @ 0g

Yout @ 0g

Zout @ -1g

Portrait

Landscape to Portrait

90°

Trip Angle = 60°

0° Landscape

Portrait

Portrait to Landscape

90°

Trip Angle = 30°

0° Landscape

(A)

(B)

Upright

NORMAL

90°

Z-LOCK = 29

°

0° Flat

DETECTION

REGION

LOCKOUT

REGION