Datasheet

FRDMKL02ZUM FRDM-KL02Z User Manual Page 8 of 11
5.4. 3-axis Accelerometer
A Freescale MMA8451Q low-power, three-axis accelerometer is interfaced through an I
2
C bus and two
GPIO signals as shown in Table 3 below. By default, the I
2
C address is 0x1D (SA0 pulled high).
Table 3. Accelerometer Signal Connections
MMA8451Q KL02Z32
SCL PTB3
SDA PTB4
INT1 NC
INT2 PTA10
Figure 6. MMA8451Q Schematic Diagram
5.5. RGB LED
Three PWM-capable KL02Z32 signals are connected to a red, green and blue LED. The signal
connections are shown in Table 4 below.
Table 4. RGB LED Signal Connections
RGB LED KL02Z128
Red Cathode PTB6
Green Cathode PTB7
Blue Cathode PTB10