3-50
Theory of Operation
: Bluetooth
Figure 3-38. 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 3-39
.
Figure 3-39. Bluetooth Functional Block Diagram
APX 3000
Main Board
128 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
Main Board
Summary of Contents for Astro APX 3000
Page 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Page 2: ......
Page 4: ...Notes ...
Page 6: ...vi Document History Notes ...
Page 10: ...x Table of Contents Notes ...
Page 12: ...xii List of Tables Notes ...
Page 18: ...xviii List of Figures Notes ...
Page 22: ...xxii CommercialWarranty Notes ...
Page 46: ...3 20 Theory of Operation Main Board Notes ...
Page 84: ...3 58 Theory of Operation Bluetooth Notes ...
Page 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Page 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Page 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Page 468: ...Glossary 10 Glossary Notes ...
Page 472: ...Index 4 Index Notes ...
Page 473: ......