Motorola APX 3000

3-30 Theory of Operation: Controller
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 3-22. Overview of OMAP Interconnection with Controller Peripherals
OMAP 1710
Processor
FLASH
64 MB
Side
Conn -
GCAI
GPS/ BT Chipset
(TINL5500)
CPLD
SDRAM
32 MB
Audio SSI 1
MACE
Secure
IC
MAKO IC
4.096 MHz Clk
Lighting
Controller
USB / UART
SPI
I2C
SSI
32 kHz ClkEMIFS
UART 2
EMIFS
EMIFF
SPI GPIOSSI
Codec
Main Board
UI
GCAI
SPI
RF Section
GPS/BT Module
(TINL5500 &
ATMEL AVR32)