3-56
Theory of Operation
: Bluetooth
The host processor is connected to the 3.3V SDRAM using a synchronous interface. The host
processor is connected to the OMAP on the Main Board by a full-speed USB (D11 & D12). VBus is a
sense line only.
Figure 3-46. Bluetooth USB Interface To Main Board
Table 3-14. USB I/O
Signal Name
Pin Name
Pad Name
Schematic Name
I/O
GPIO19
C12
PA19
USB_BOOT_3.3V
I
GPIO20
D10
PA20
ATMEL_BOOT
I
DP
D11
–
BT_AVR_USB_DP
I/O
DM
D12
–
BT_AVR_USB_DM
I/O
VBUS
E12
–
BT_AVR_VBUS
I
TI NL 5500
Bluetooth/GPS
ATMEL AVR32
AT32UC3A0512
Low Frequency
Receiver AS3930
DAT
CL_DAT
LF Transmit
(OR Gate)
HCI_TX
USART0
USART1
USART2
Debug RX
Debug TX
BT Debug
Flex
J2401 Connector
PB29
K6
Pin 33
Pin 34
Pin 25
Pin 26
K7 PB30
PA00
PA01
PA03
PA04
PA05
PA07
PA06
A4
B5
B4
B7
9
10
J6
H6
J7
J8
K11
J10
L12
HCI_RX
HCI_CTS
HCI_RTS
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: ......