Intel PXA27 Series Design Manual page 246

PXA27x DVK Block Diagram
Figure A-3. Daughter Card Block Diagram
13Mhz OSC
32Khz OSC
VCTCXO
Notes: * This device interfaces can be muxed (to communication processor or application processor).
A-4
VBAT
Bottom con.
UART1 Con.
RS232
XCVR
GARSON
3.0V I2C
Communication
Processor
CPU JTAG
DSP JTAG
CPU JTAG
Linear
CODEC
AD6521
Analog Chip
RF
out
RF Module conn.
Audio
* I2S Audio
* BT UART/ UART2
BT PCM (audio)
USB_C
AC97 I2S
Linear
I2S
AUDIO PCM
CODEC CODEC
CODEC
CODEC
Line Line
In/Out In/Out
mic spk. Hand
Head
set MAIN BOARD
set
COMPONENTS
charger
From/To Mainboard
Power Daughter card
PMIC
Communications Applications
portion portion
V V V
V
V V V V
SRAM PLL Core IO
SRAM PLL Core IO
1.3V 1.1V .8-1.3 3.0V
1.8V 1.2V 1.2V 2.8V
To main
I2C power
3.0V I2C
conn.
Full Bandwidth MSL/ PCMCIA
Quick
Switch
CPU JTAG
CPLD1
CPLD1
CPLD1/
JTAG
Isolate
JTAG
PADS
Flash
ISRAM
32MB @ 32
4MB @ 16
SDRAM
Flash
64MB @ 32
8MB @ 16
SRAM
1MB @ 32
SIM1
Primary Connector
Secondary Connector
CPLD2
USB Client
EEPROM
USB Host[0]
FPGA
USB OTG
Keypad
UICC
®
Intel PXA27x Processor Family Design Guide
EXTERNAL
POWER
5V/
SUPPLY/
CHARGER
UART1 Conn.
RS232
XCVR
PXA27x
Processor Card
PXA27x
Processor
Buffers
* I2S/ AC97 Audio
* BT UART/ UART2
Memory Stick
SD/ MMC
Camera Conn.
Touch Screen Digitizer
Ethernet
PCMCIA
Expansion Connector
iRDA
Asynchronous Flash
I2C Header
SSP Header
LCD Connector