Keyboard Interface; Accelerometer - Nokia RM-779 Service Manual

RM-779
System Module
Figure 55 Illumination

Keyboard interface

MENU key (Home key), Volume-up and Volume-down key, Lock key, Send key and Camera Capture key are
directly connected to RAPU BB ASIC.
The combined Power off/END key is connected to PEARL BB ASIC.

Accelerometer

The 3D accelerometer (N1103) is connected to RAPU via two GENIOs (INT1=Genio12, INT2=Genio44) and I2C_0
bus. Supply voltages are VIO (1.8 V) and VAUX2 (2.5 V).
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