Motorola APX 1000 Detailed Service Manual page 727

Theory of Operation
: Controller
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
(TINL5500)
FLASH
64MB
SDRAM
32MB
Keypad /
Switches
Front
Display
The functional blocks of the controller are:
• DC Distribution
• Clock Sources
• Processor / Memory
• CPLD
• Audio – Internal and External
• MAKO
• User Interfaces
Lighting
Controller
CPLD
12C
EMIFS
UART 2
EMIFS
OMAP 1710
Processor
EMIFF
SSI
Keypad
RF Section
SoSSI
Figure 3-14. Controller Electrical Overview
32 kHz Clk
Audio SSI 1
USB / UART
SPI
SPI GPIO
Figure 3-14 below. The major
Side
Radio
Conn -
Battery
Accessory
GCAI
Audio
+
-
MAKO IC
SPI
Codec
Microphones
Class D
Audio PA
3-23
Dual
Main
Speaker
Main Board
Keypad
UI
GCAI