Figure 3-15. Controller Electrical Overview - Motorola APX 5000 Service Manual

3-26
3.2.1.2.4 Data-Side Microphone
The data-side microphone is mounted on the front chassis and connects directly to the VOCON
board through a set of pogo pins mounted on the VOCON board.
3.2.1.2.5 Side Controls Flex
The side controls flex contains the PTT, Side Top button, Side Middle button and Side Bottom button.
The flex connects to the Expansion Board through a 10-pin connector.
3.2.1.2.6 Audio-Side Microphone, Speaker, and Bluetooth Antenna
The audio-side microphone and speaker flex assembly connects to the expansion board through
spring clips. The Bluetooth antenna is also part of this flex assembly and also connects to the
expansion board through spring clips.
3.2.1.2.7 RF Board
The RF board connects to the VOCON through a 40-pin board to board connector.
NOTE: See Table 7-2 on page 7-2
3.2.1.3 Controller Electrical Architecture
An overview of the Controller electrical architecture is shown in
components and electrical interfaces are shown.
e-MMC
Flash Memory
GPS/ BT Chipset
(TINL5500)
FLASH
64 MB
SDRAM
32 MB
Keypad /
Switches
Front
Display
Top Display
Lighting
Controller
CPLD
SDIO 2
I2C
EMIFS
UART 2
EMIFS
OMAP 1710
Processor
EMIFF
SSI SPI
Keypad
SoSSI RF Board
SPI

Figure 3-15. Controller Electrical Overview

for pin assignments
4.096 MHz Clk
MACE
SSI
Secure
IC
32 kHz Clk
Audio SSI 1
USB / UART
SPI
GPIO
GPS/BT Module
(TINL5500 &
ATMEL AVR32)
Theory of Operation
Figure 3-15 below. The major
Side
Radio
Conn -
Accessory
Battery
Audio
GCAI
+
-
MAKO IC
SPI
Codec
Dual
Microphones
Class D
Audio PA
: Controller
Main
Speaker
VOCON
Expansion
Module
GCAI