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Figure 2. Block Diagram, Intel
USB
Host [0]
USB
Client
USIM /
UICC
SSP
Header
I2C
Header
SD / MMC
Memory Stick
USB
OTG
Camera
Header
LCD / Backlight /
Touch Connector
HGO Marathon
Graphics
Accelerator
RJ45
®
Intel
PXA27x Processor Developer's Kit - User's Guide
®
PXA27x Processor Developer's Kit Main Board
USBH0
USBHC
USIM
SSPI
I2C
SD/MMC
SD/MMC/
MS
MS
Controlled by
FPGA
SSP1
SSP1/
Camera
Camera
USIM
USIM/
Camera
Camera
L_DD / PWM0
LCD
XCVR
Buffer Buffer
Hex
FPGA
Ethernet
Rotary
Switch
Platform Registers,
10 / 100
PCMCIA power control
nCS4
nCS2L
Hex
Rotary
Switch
LED
LED
LED
EEPROM
Silent
Alert
Header
For EEPROM
Test Quest
control
Switch
Pads
Primary Connector
Secondary Connector
Expansion
Connector
nC95
Logic
Analyzer
Headers
PCMCIA
Slot 0
3.15/5.0V
PCMCIA
Slot 1
3.15/5.0V
I/O
I2S / I2C / SSP
Keypad &
Keypad /
Camera
Camera / Misc /
Spkr Connector
AC'97 / I2S
I2C / SSP1 /
Audio Codec
SSP2 / SSP3
Board and
Touchscreen
For shifting Address Bus
Switch
for 16/32bit access
Intel
Flash
128/256 Mbit
@ 16/32
nCS1/0
For swapping App Processor
nCS0/nCS1
FPGA
Header
For for FPGA reconfiguration
Switch
(and system reset)
20 MHz
Osc
LED
LED
LED
LED
LED
LED
USB
USB Client /
ICAT
3.15V MSL
Baseband
Baseband
Header
UART
DB-9
IrDA
For
UART
RS-232 M
mux
control
RS-232 M
XCVR
I/O
I/O
CPLD2
PCMCIA Glue
PCMCIA xcvr control
UART2/
Memory Bus xcvr control
UART3
UARTs mux
Audio Board Logic
3.15V l/0, 5V tolerant
I/O
I2S / I2C / SSP
®
PXA27x Processor
PCM
SSP2
Audio
Bluetooth
Conector
Power Subsystem
Main_1.8V
2.5V (FPGA / CPLD core)
For asserting App Processor
Main_3.15V
VDD_BATT_FLT
Main_5V (PCMCIA)
SIM 1.8 / 3V
Wall Supply Jack
B1545-01
15
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