Figure 62 Ambient Light Sensor
Accelerometer
Accelerometer is a geometric type component which can be configured either to generate an inertial wake-
up interrupt signal when a programmable acceleration threshold is exceeded along one of the three axes (x,
y, and z), or to detect a free-fall event. Each axis has its own sensor and those can measure positive and
negative directions.
The 3D accelerometer (N1103) Ahti_A sensor is connected to RAPU via two GENIOs ie Genio12 and Genio44
and I2C_0 bus. Power supply voltage is provided from VIO & VAUX2 output of EM ASIC.
It has the following features:
•
2.16V to 3.6V supply voltage
•
1.8V compatible IOs
•
Low power consumption
•
±2g/±8g dynamically selectable scale
•
I
2
C/SPI digital output interface
•
Embedded self test
•
10000g high shock survivability
•
Pb free/RoHS compliancy
RM-596
System Module
Page 6 – 26 COMPANY CONFIDENTIAL Issue 2
Copyright © 2010 Nokia. All rights reserved.
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