參數(shù)資料
型號(hào)： PXA255
廠商： Intel Corp.
英文描述： PXA255 Processor
中文描述： PXA255處理器
文件頁(yè)數(shù)： 1/40頁(yè)
文件大?。?/td> 1191K
代理商： PXA255
Intel PXA255 Processor
Electrical, Mechanical, and Thermal Specification
Data Sheet
Product Features
■
High Performance Processor
—Intel XScale Microarchitecture
—32 KB Instruction Cache
—32 KB Data Cache
—2 KB “mini” Data Cache
—Extensive Data Buffering
■
Intel Media Processing Technology
—Enhanced 16-bit Multiply
—40-bit Accumulator
■
Flexible Clocking
—CPU clock from 100 to 400 MHz
—Flexible memory clock ratios
—Frequency change modes
■
Rich Serial Peripheral Set
—AC97 Audio Port
—I
2
S Audio Port
—USB Client Controller
—High Speed UART
—Second UART with flow control
—UART with hardware flow control
—FIR and SIR infrared comm ports
■
Low Power
—Less than 500 mW Typical Internal
Dissipation
—Supply Voltage may be Reduced to
1.00 V
—Low Power/Sleep Modes
■
High Performance Memory Controller
—Four Banks of SDRAM - up to 100 MHz
—Five Static Chip Selects
—Support for PCMCIA or Compact Flash
—Companion Chip interface
■
Additional Peripherals for system
connectivity
—Multimedia Card Controller (MMC)
—SSP Controller
—Network SSP controller for baseband
—I2C Controller
—Two Pulse Width Modulators (PWMs)
—All peripheral pins double as GPIOs
■
Hardware debug features
■
Hardware Performance Monitoring features
Order Number: 278805-002
February, 2004
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