Motorola APX 2000 Detailed Service Manual

Theory of Operation: Bluetooth 3-59
Figure 3-44. Bluetooth/Controller Interface with Clock Sources
The Bluetooth IC transceiver is connected to a dedicated Bluetooth antenna. Between the IC and
antenna is a band-pass filter as shown in Figure 3-45.
Figure 3-45. Bluetooth Functional Block Diagram
APX 2000/
APX 4000
Main Board
16 MB
SDRAM
12 MHz
32.768
KHz
26 MHz TCXO
NL5500
BT/GPS
SW_B+
SW_B+
UC3_RESET
VOLTAGE
TRANSLATION
1.8V - 3.3V
VOLTAGE
TRANSLATION
1.8V - 3.3V
BT_PTT
USB_BOOT
AVR_STATUS_1.8
RESET_N
PB17 (GPIO49)
PA20 (GPIO20)
PA21 (GPIO21)
PB07 (GPIO39)
PA29
ATMEL AVR32
AT32UC3A0512
PA30
BT_SPARE_DIR
D12
D11
E12
F1
C3
A2
B10
D10
J2
M8
VBUS
DP
DM
AUD_CLK
AUD_FSTNC
AUD_IN
AUD_OUT
AC_SPKR_UNMUTE_1.8
OPT_BD_DETECT
BT_SPARE_1.8
GROUND
OPT_BD_GPIO_0_OPT_RST
OPT_BD_GPIO_5(OMAP GPIO7)
OPT_BD_GPIO_2
OMAP P18
OMAP K15
OPT_BD_GPIO_4
OMAP K14
CPLD GPIO 29
OPT_USB_DP
OPT_USB_DM
SSI_CLK
SSI_FSYNC
SSI_BLACK_RX
SSI_RED_RX
SSI_BLACK_TX
SSI_RED_TX
Radio Host Controller
OMAP_GPIO7
USB1
BT_PTT
USB
GPIO
USART0 GPIO
SSI
BT_HCI
PCM_AUD
BT_WAKE BT_EN
BT_RF
2.45 GHz BPF
BT
Antenna
LF
Antenna
TI NL5500
Bluetooth/GPS
GPIO
TC1 OCA
ANTENNA
WAKEUP
TX_CLK
UART
SPI
NFC
BLOCK
USART1 TX
GPIO
TIMER1
ATMEL AVR32
AT32UC3A0512
USART1
SPI0
Keypad Board
Main Board

Motorola APX 2000 Specifications

General

Brand	Motorola
Model	APX 2000
Category	Two-Way Radio
Language	English