Figure 2-1. block diagram, 2 package types, System architecture – Intel PXA26X User Manual
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2-2
Intel® PXA26x Processor Family Developer’s Manual
System Architecture
2.2
Package Types
The PXA26x processor family is available in a 13x13mm 294-pin TF-BGA package. It is available
in multiple versions with different flash configurations:
•
PXA260 processor – No Intel StrataFlash® memory
•
PXA261 processor – 128 megabit x 16 Intel StrataFlash® memory
•
PXA262 processor – 256 megabit x 16 Intel StrataFlash® memory
•
PXA263 processor – 256 megabit x 32 Intel StrataFlash® memory
Please contact your local Intel representative for details.
Software can detect the processor version by checking the flash size and configuration. Information
about the flash internal to the PXA26x processor family can be found in
Figure 2-1. Block Diagram
Intel
(R)
XScale
TM
Microarchitecure
Color or
Grayscale
LCD
Controller
RTC
OS Timer
PWM(2)
Int.
Controller
Clocks &
Power Man.
I
2
S
AC97
UART1
UART2
Slow IrDA
SSP
USB
Client
General Purpose I/O
ASIC
Socket 0
Socket 1
3.6864
MHz
Osc
32.768
KHz
Osc
DMA Controller
and Bridge
XCVR
SDRAM/
SMROM
4 banks
Synchronous
Intel
StrataFlash
(R)
Memory
ROM/
Flash/
SRAM
4 banks
I
2
C
Fast IrDA
MMC
NSSP
ASSP
HWUART
Peripheral Bus
System Bus
Memory
Controller
Variable
Latency I/O
Control
PCMCIA
& CF
Control
Dynamic
Memory
Control
Static
Memory
Control