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PXA270 Datasheet

  • PXA270

  • Electrical, Mechanical, and Thermal Specification

  • 126頁

  • INTEL   INTEL

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Intel廬 PXA270 Processor
Electrical, Mechanical, and Thermal Specification
Data Sheet
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High-performance processor:
鈥?Intel XScale廬 microarchitecture with
Intel廬 Wireless MMX鈩?Technology
鈥?7 Stage pipeline
鈥?32 KB instruction cache
鈥?32 KB data cache
鈥?2 KB 鈥渕ini鈥?data cache
鈥?Extensive data buffering
256 Kbytes of internal SRAM for high
speed code or data storage preserved
during low-power states
High-speed baseband processor interface
(Mobile Scalable Link)
Rich serial peripheral set:
鈥?AC鈥?7 audio port
鈥?I
2
S audio port
鈥?USB Client controller
鈥?USB Host controller
鈥?USB On-The-Go controller
鈥?Three high-speed UARTs (two with
hardware flow control)
鈥?FIR and SIR infrared communications
port
Hardware debug features 鈥?IEEE JTAG
interface with boundary scan
Hardware performance-monitoring
features with on-chip trace buffer
Real-time clock
Operating-system timers
LCD Controller
Universal Subscriber Identity Module
interface
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Low power:
鈥?Wireless Intel Speedstep廬 Technology
鈥?Less than 500 mW typical internal
dissipation
鈥?Supply voltage may be reduced to
0.85 V
鈥?Four low-power modes
鈥?Dynamic voltage and frequency
management
High-performance memory controller:
鈥?Four banks of SDRAM: up to 104 MHz
@ 2.5V, 3.0V, and 3.3V I/O interface
鈥?Six static chip selects
鈥?Support for PCMCIA and Compact
Flash
鈥?Companion chip interface
Flexible clocking:
鈥?CPU clock from 104 to 624 MHz
鈥?Flexible memory clock ratios
鈥?Frequency changes
鈥?Functional clock gating
Additional peripherals for system
connectivity:
鈥?SD Card / MMC Controller (with SPI
mode support)
鈥?Memory Stick card controller
鈥?Three SSP controllers
鈥?Two I
2
C controllers
鈥?Four pulse-width modulators (PWMs)
鈥?Keypad interface with both direct and
matrix keys support
鈥?Most peripheral pins double as GPIOs
Order Number 280002-002

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