®
Intel XScale Technology-Based Processors
PXA255
PXA270
IXP420
IXP421
266
IXP422
266
IXP423
266
Core Speed (MHz)
PCMCIA
CompactFlash*
ECC
200/300/400
312/416/520/624
266/400/533
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PCI bridge needed
expansion bus
PCI bridge needed
expansion bus
PCI bridge needed
expansion bus
PCI bridge needed
expansion bus
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Dynamic Memory
SDRAM
16/32-bit wide
100 MHz
16/32-bit wide
100 MHz
16/32-bit wide
133 MHz
16/32-bit wide
133 MHz
16/32-bit wide
133 MHz
16/32-bit wide
133 MHz
DDR
DDR2
Static Memory
ROM
16/32-bit wide
16/32-bit wide
16-bit wide
16-bit wide
16-bit wide
16-bit wide
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SRAM
FLASH
UART
Standard, Hardware,
Standard, Hardware,
2
2
2
2
Full Function, Bluetooth* Full Function, Bluetooth
2
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I C
via GPIO
via GPIO
via GPIO
via GPIO
via GPIO
via GPIO
via GPIO
via GPIO
SPI
SSP
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NSSP
Audio SSP
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HSS-Voice
HSS-WAN
UTOPIA 2
CSIX
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Ethernet MII/SMII
GPIO Number
DMA Controller
LCD Controller
USB Client
(2 MII)
(1 MII)
(2 MII)
(2 MII)
85
119
16
16
16
16
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USB Host/OTG
PCI 2.2 Host I/F
PCI-X
32-bit, 33/66 MHz
32-bit, 33/66 MHz
32-bit, 33/66 MHz
32-bit, 33/66 MHz
PCI-express
AES/DES/DES3
SHA-1/MD-5
SHA-256/-384/-512/EAU
HW RNG
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HDLC Channels
MMC
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Expansion Bus
16-bit, 66 MHz
16-bit, 66 MHz
16-bit, 66 MHz
16-bit, 66 MHz
At MHz,
at 200 MHz, 1637mW;
at 300 MHz, 2057mW;
at 400 MHz, 2598mW
at 200 MHz, 279mW;
at 312 MHz, 390mW;
at 416 MHz, 570mW;
at 520 MHz, 747mW
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at 266 MHz, 1.9W;
at 400 MHz, 2.0W;
at 533 MHz, 2.3W
at 266 MHz, 1.9W
at 266 MHz, 1.9W
at 266 MHz, 1.9W
Power Dissipation
(typical for PXA;
all others MAX)
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Win CE.NET
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PocketPC* 2002/
SmartPhone* 2002
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VxWorks*
Linux*
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Other OS
Palm OS,* Symbian
Palm OS, Symbian
SDK Available
Development Platform
Extended Temperature
Package Type
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–
40˚C to 85˚C
–
40˚C to 85˚C
–
40˚C to 85˚C
256-pin
360-pin 22x22x2.38mm,
492-pin
492-pin
492-pin
492-pin
17x17x1.75mm PBGA 356-pin 13x13mm VF BGA
35x35x1.27 PBGA
35x35x1.27 PBGA
35x35x1.27 PBGA
35x35x1.27 PBGA
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Pb-Free