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Figure A-2. Main Board Block Diagram
USB
USBH0
Host [0]
USB
USBC
Client
USIM /
USIM
UICC
SSP
SSP1
Header
I2C
I2C
Header
SD / MMC
SD / MMC
SD / MMC / MS
Memory Stick
MS
Controlled by FPGA
USB
USB On The Go
OTG
Camera
Header
LCD / Backlight /
L_DD / PWM0
Touch Connector
HGO Marathon
LCD
Graphics
Accelerator
Ethernet
10/100
nCS4
RJ45
EEPROM
for EEPROM control
Test Quest
®
Intel
PXA27x Processor Family Design Guide
Primary Connector
Secondary Connector
XCVR
Buffer
Buffer
Hex
Rotary
FPGA
Switch
Platform Registers
PCMCIA Power Control
nCS2L
Hex
Rotary
Switch
LED
LED
LED
LED
LED
Silent
Alert
Header
Switch
Pads
Expansion
Connector
nCS5
Logic
Analyzer
Headers
Baseband
PCMCIA
Slot 0
3.15/5.0V
for UART
mux control
PCMCIA
Slot 1
3.15/5.0V
I/O
PCMCIA xcvr control
Memory Bus xcvr control
BTUART / ICPUART
3.15V IO, 5V tolerant
Keypad /
Camera / Mic /
Keypad & Camera
Spkr Connector
I2S / I2C / SSP
Audio CODEC
Board and
Touchscreen
for shifting Address
Switch
bus for 16/32bit access
Flash
128/256Mbit
@ 16/32
nCS1/0
for swapping App
Processor nCS0/nCS1
FPGA
Header
to force FPGA reconfiguration
Switch
(and system reset)
20MHz
Power subsystem
Osc
Main_1.8V
2.5V (FPGA/CPLD core)
Main_3.15V
LED
LED
LED
LED
Main_5V (PCMCIA)
SIM 1.8/3V
Wall Supply Jack
PXA27x DVK Block Diagram
USB Client
USB
/ ICAT
3.15V MSL
Baseband
Header
UART
IrDA
DB-9
RS-232 lvl
RS-232 lvl
XCVR
I/O
I/O
CPLD2
PCMCIA Glue
UARTs mux
UART2 / UART3
Audio Board Logic
I/O
Bluetooth
Bulverde SSP2
PCM Audio
Connector
for asserting App Processor
VDD/BATT_FLT
A-3
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