Digital 3-axis accelerometer MMA8452Q (MMA845X)

The accelerometer has an extensive embedded function with flexible, user-programmable options that allow you to configure up to two interrupt pins. The embedded interrupt function can optimize the power consumption of the entire device and reduce the load on the main processor.

Specifications:

• high-precision tilt sensor module / acceleration sensor
• Resolution: 14 bit-digit
• Supply voltage: 3V - 5V
• 3 axes: X, Y, Z
• Communication interface: I2C (TWI)
• Selectable dynamic range: ± 2 g, ± 4 g, ± 8 g
• Mounting holes: 2 with a diameter of 3 mm each
• Output data rate range (ODR): 1.56 Hz to 800 Hz
• digital I2C output interface (works with 2.25 MHz and 4.7 k pull-up resistor)
• 2 programmable interrupt pins
• 3 motion detections
• Free fall detection
• Pulse detection
• Vibration detection
• PCB size: approx. 14.5 mm x 20.5 mm / 0.57" x 0.80"

Pin assignment:

• VCC_IN: Power supply of the system
• 3.3 V Power supply 3.3 V
• GND: Ground
• SCL: Clock line of the I2C bus (TWI)
• SDA: Data line of the I2C bus (TWI)
• SAO: Select I2C address
• INT1, INT2: Programmable interrupts

Scope of delivery:

• 1x digital 3-axis accelerometer MMA8452Q (MMA845X)