FRDMKE06UG, Freedom KE06 User’s Guide, Rev. 0, 03/2014
Freescale Semiconductor, Inc.
9
Serial and Debug Adapter (OpenSDA)
Figure 7. Key buttons connection
3.7
Three-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 the following table. By default, the I
2
C address is 0x1D (SA0 pulled high).
Table 4. Accelerometer signal connections
MMA8451Q
KE06
SCL
PTA3
SDA
PTA2
INT1
PTD4
INT2
PTD3