Sensors

6

Freescale Semiconductor

MMA3201D

N/C

N/C

N/C

N/C

ST

STATUS

1

2

3

4

5

6

7

8

9

10

20

19

18

17

16

15

14

13

12

11

GND

N/C

N/C

N/C

N/C

N/C

N/C

N/C

N/C

+Y

–X

+X

Direction of Earth’s gravity field.*

* When positioned as shown, the Earth’s gravity will result in a positive 1g output in the X channel.

Front View

Side View

Top View

Static Acceleration Sensing Direction

Dynamic Acceleration Sensing Direction

Acceleration of the

package in the +X and

+Y direction (center plates

move in the -X and -Y

direction) will result in an

increase in the X and Y

outputs.

20-Pin SOIC Package

N/C pins are recommended to be left FLOATING

11 12 13 14 1516 17 18 19 20

10 9

8 7 6 5 4 3 2 1

Activation of Self test moves

the center plates in the -X

and -Y direction, resulting in

an increase in the X and Y

outputs.

–Y