Motorola APX 7000 - General Radio Operation; Saving a Zone and a Channel to a Button; Receiving and Responding to a Radio Call

3-42 Theory of Operation: Controller
Figure 3-31. Overview of OMAP Interconnection with VOCON Peripherals
(For display part no. 72012006002)
3.2.4.2 Memory
In addition to the internal RAM, the OMAP 1710 Processor (U6302) features three distinct external
memory interfaces. All memory devices except the removable memory, is located on the VOCON
board, as elaborated in Figure 3-30. The external memory interface is shown in Figure 3-32.
OMAP 1710
Processor
FLASH
64 MB
Front
Display*
Side
Conn-
GCAI
GPS
Chipset
(SiRF/ Ti)
Option
Board
CPLD
SDRAM
32 MB
Audio SSI 1
RF
Board
Class D
Audio PA
MACE
Secure
IC
Mako IC
Removable
Memory
Top Display
USB
4.096 MHz Clk
Lighting
Controller
USB /
UART
SPI
Keypad /
Switches
I2C
I2C
SDIO 1
SPI
LCD Cont.
Keypad
SSI
32 kHz Clk EMIFS
SDIO 2
UART 2
EMIFS
EMIFF
SPI GPIO SSI
Codec
Vocon
Expansion
Module
GCAI
SPI
Front
Display*
(Part no.
72012006002)
Note:
*. Only for Dual-Display Version
(For part no.
72012006001 &