Figure 3-18. Controller Electrical Overview - Motorola APX 1000 Detailed Service Manual

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Theory of Operation

: Controller

3.2.1.2.5 E-Button Flex

The E-button flex contains a toggle switch for Emergency Calling and connector to GCAI flex.

3.2.1.3 Controller Electrical Architecture

An overview of the Controller electrical architecture is shown in

components and electrical interfaces are shown.

GPS/ BT Chipset

The functional blocks of the controller are:

• DC Distribution

• Clock Sources

• Processor / Memory

• Audio – Internal and External

• User Interfaces

Figure 3-18. Controller Electrical Overview

4.096 MHz Clk

GPS/BT Module

ATMEL AVR32)

below. The major

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