Motorola APX 2000 Detailed Service Manual

Theory of Operation: Controller 3-31
3.2.4 OMAP Processor and Memory
3.2.4.1 OMAP Processor (U6302)
The OMAP1710 dual core processor lies at the center of the controller design. The processor
features utilized in the controller design include:
• ARM9 CPU core
• C55X DSP core
• 16KB shared internal RAM
• SSI Interfaces
• USB Interfaces
• Timers & Watchdog Timers
• Keyboard Matrix Interface
• 1-Wire Interface
• LCD Controller
• I2C Interface
• SPI interface
• External Memory Synchronous Interface
• External Memory Asynchronous Interface
•UARTs
•GPIOs
Figure 3-20. Overview of OMAP Interconnection with Controller Peripherals
OMAP 1710
Processor
FLASH
64 MB
Front
Display
Side
Conn -
GCAI
GPS/ BT Chipset
(TINL5500)
CPLD
SDRAM
32 MB
Audio SSI 1
Class D PA
MAKO IC
Lighting
Controller
USB / UART
SPI
Keypad /
Switches
I2C
SoSSI
Keypad
32 kHz Clk EMIFS
UART 2
EMIFS
EMIFF
SPI GPIO SSI
Codec
Main Board
Keypad
UI
GCAI
SPI
RF Section

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)