Table 3-14. Usb I/O; Figure 3-46. Bluetooth Usb Interface To Main Board - Motorola APX 3000 Detailed Service Manual

3-56
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.
Signal Name
GPIO19
GPIO20
DP
DM
VBUS
BT Debug
Flex

Table 3-14. USB I/O

Pin Name
C12
D10
D11
D12
E12
ATMEL AVR32
AT32UC3A0512
Pin 33
Pin 34
USART2
Debug RX
K6
PB29
Pin 25
Debug TX
K7 PB30
Pin 26

Figure 3-46. Bluetooth USB Interface To Main Board

Pad Name Schematic Name
PA19 USB_BOOT_3.3V
PA20 ATMEL_BOOT
– BT_AVR_USB_DP
– BT_AVR_USB_DM
– BT_AVR_VBUS
USART0
J6
PA00
H6
PA01
J7
PA03
J8
PA04
USART1
K11
PA05
J10
PA07
L12
PA06
Theory of Operation
I/O
I
I
I/O
I/O
I
TI NL 5500
Bluetooth/GPS
A4
HCI_TX
B5
HCI_RX
B4
HCI_CTS
B7
HCI_RTS
Low Frequency
Receiver AS3930
9
DAT
10
CL_DAT
LF Transmit
(OR Gate)
: Bluetooth