Multimedia Expansion Board User’s Guide
2.7
ACCELEROMETER AND TEMPERATURE SENSOR
To measure acceleration and temperature, the Multimedia Expansion Board provides
an interface to the BMA150, which is a 3-axis (x, y and z plane) accelerometer and tem-
perature sensor, as shown in Figure 2-14. The PIC microcontroller uses an I 2 C bus
interface to communicate with the BMA150.
FIGURE 2-14:
BMA150 ACCELEROMETER AND TEMPERATURE SENSOR
FIGURE 2-15:
DS61160A-page 26
BMA150 CONNECTION SCHEMATIC
3 Axis Accelerometer
(I2C Slave Addr = 0111 000X)
U3
SDA2
SCL2
? 2010 Microchip Technology Inc.
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