Intel® PXA27x Processor Family
Electrical, Mechanical, and Thermal Specification
Data Sheet
■ High-performance processor:
■ Low power:
—Intel XScale® microarchitecture with
Intel® Wireless MMX™ Technology
—Wireless Intel Speedstep® Technology
—Less than 500 mW typical internal
dissipation
—7 Stage pipeline
—32 KB instruction cache
—32 KB data cache
—Supply voltage may be reduced to
0.85 V
—Four low-power modes
—2 KB “mini” data cache
—Extensive data buffering
—Dynamic voltage and frequency
management
■ 256 Kbytes of internal SRAM for high
speed code or data storage preserved
during low-power states
■ High-performance memory controller:
—Four banks of SDRAM: up to 104 MHz
@ 1.8 V I/O interface
■ High-speed baseband processor interface
(Mobile Scalable Link)
—Six static chip selects
■ Rich serial peripheral set:
—Support for PCMCIA and Compact
Flash
—AC’97 audio port
—I2S audio port
—Companion chip interface
■ Flexible clocking:
—USB Client controller
—USB Host controller
—USB On-The-Go controller
—CPU clock from 104 to 520 MHz
—Flexible memory clock ratios
—Frequency changes
—Three high-speed UARTs (two with
hardware flow control)
—Functional clock gating
—FIR and SIR infrared communications
port
■ Additional peripherals for system
connectivity:
■ Hardware debug features — IEEE JTAG
—SD Card/MMC Controller (with SPI
mode support)
interface with boundary scan
■ Hardware performance-monitoring
—Memory Stick card controller
features with on-chip trace buffer
—Three SSP controllers
—Two I2C controllers
■ Real-time clock
■ Operating-system timers
■ LCD Controller
—Four pulse-width modulators (PWMs)
—Keypad interface with both direct and
matrix keys support
■ Universal Subscriber Identity Module
interface
—Most peripheral pins double as GPIOs
Order Number 280003-005