1
Variations of MMA955xL Device
Freescale offers a variety of firmware versions for the MMA955xL devices. The different versions of the device are identified by
the fourth digit in the part number (for example MMA955 9L ). Information and specifications provided in this data sheet are inde-
pendent of the Freescale firmware versions.
The following table lists some of the variations among the MMA955xL-platform devices.
Table 2. Features of product-line devices
Feature - Device
Key elements
User flash available
User RAM available
MMA9550L
Motion sensing
6.5 KB
576 bytes
MMA9551L
Gesture sensing
4.5 KB
452 bytes
MMA9553L
Pedometer
1.5KB
304 bytes
MMA9559L
High flexibility
14 KB
1664 bytes
ADC resolution (bits)
10,12,14,16 bits 10,12,14,16 bits 10,12,14,16 bits 10,12,14,16 bits
g measurement ranges
Real-time and preemptive scheduling
Event management
2 g , 4 g , 8 g
Yes
No
2 g , 4 g , 8 g
Yes
No
2 g , 4 g , 8 g
Yes
No
2 g , 4 g , 8 g
No
Yes
Slave Port Command Interpreter
? Normal mode
? Legacy mode
? Streaming mode
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
Front-end processing
? 100-Hz BW anti-aliasing
? 50-Hz BW anti-aliasing
? g -mode-dependent resolution
? Absolute value
? Low-pass filter
? High-pass filter
? Data-ready interrupt
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
Yes
Gesture applications
? High g /Low g
? Tilt
? Portrait/Landscape
? Programmable orientation
? Tap/Double-tap
? Freefall
? Motion
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
MMA955xL
Sensors
4
Freescale Semiconductor, Inc.
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