The MMA6901KQ is a SafeAssure 2-axis Sensor based on Freescale's HARMEMS technology, with an embedded DSP ASIC, allowing for additional processing of the digital signals. These devices incorporate digital signal processing for filtering, trim and data formatting. The serial communication configuration provides a 4-wire SPI interface. Device serial number, acceleration range, filter characteristics and status information are available along with acceleration data via the SPI.
Sensitivity in X and Y axes
50Hz Second order low-pass filter
Unsigned 11-bit digital data output
On-chip temperature sensor and voltage regulator
Bi-directional internal self-test
Minimal external component requirements
Pulse-code modulated output available for device evaluation
