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
Содержание Astro APX 3000
Страница 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Страница 2: ......
Страница 4: ...Notes ...
Страница 6: ...vi Document History Notes ...
Страница 10: ...x Table of Contents Notes ...
Страница 12: ...xii List of Tables Notes ...
Страница 18: ...xviii List of Figures Notes ...
Страница 22: ...xxii CommercialWarranty Notes ...
Страница 46: ...3 20 Theory of Operation Main Board Notes ...
Страница 84: ...3 58 Theory of Operation Bluetooth Notes ...
Страница 147: ...Troubleshooting Waveforms Clocks 6 3 6 2 2 4 MHz Clock Trace 1 Trace recorded at R6113 Figure 6 2 4 MHz Clock Waveform ...
Страница 154: ...6 10 Troubleshooting Waveforms Audio SSI 6 3 4 BCLK Trace 1 Trace recorded at R6107 Figure 6 9 Audio SSI BCLK Waveform ...
Страница 156: ...6 12 Troubleshooting Waveforms RX SSI 6 4 2 DA Trace 1 Trace recorded at R2805 Figure 6 11 RX SSI DA Waveform ...
Страница 157: ...Troubleshooting Waveforms RX SSI 6 13 6 4 3 FSYNC Trace 1 Trace recorded at R2804 Figure 6 12 RX SSI FSync Waveform ...
Страница 159: ...Troubleshooting Waveforms TX SSI 6 15 6 5 2 DA Trace 1 Trace recorded at R2817 Figure 6 14 TX SSI DA Waveform ...
Страница 160: ...6 16 Troubleshooting Waveforms TX SSI 6 5 3 FSYNC Trace 1 Trace recorded at R2807 Figure 6 15 TX SSI FSync Waveform ...
Страница 161: ...Troubleshooting Waveforms SPI 6 17 6 6 SPI 6 6 1 CLK Trace 1 Trace recorded at R2803 Figure 6 16 SPI CLK Waveform ...
Страница 162: ...6 18 Troubleshooting Waveforms SPI 6 6 2 CS Trace 1 Trace recorded at R6602 Figure 6 17 CS Waveform ...
Страница 164: ...6 20 Troubleshooting Waveforms I2C BUS 6 7 2 SCL 5V Trace 1 Trace recorded at R2204 Figure 6 19 I2C Bus SCA 5V Waveform ...
Страница 165: ...Troubleshooting Waveforms I2C BUS 6 21 6 7 3 SDA Trace 1 Trace recorded at R6209 Figure 6 20 I2C Bus SDA Waveform ...
Страница 169: ...Troubleshooting Waveforms USB 6 25 6 10 USB 6 10 1 D Trace 1 Trace recorded at TP F_GCAI_USB Figure 6 24 USB D Waveform ...
Страница 170: ...6 26 Troubleshooting Waveforms USB 6 10 2 D Trace 1 Trace recorded at TP F_GCAI_USB Figure 6 25 USB D Waveform ...
Страница 172: ...6 28 Troubleshooting Waveforms SDRAM 6 11 2 CLKX Trace 1 Trace recorded at TP6308 Figure 6 27 SDRAM CLKX Waveform ...
Страница 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Страница 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Страница 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Страница 338: ...8 116 Schematics Boards Overlays and Parts Lists Main Board Block 700 800 MHz 84012501002 Notes ...
Страница 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Страница 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Страница 468: ...Glossary 10 Glossary Notes ...
Страница 472: ...Index 4 Index Notes ...
Страница 473: ......