XScale™ PXA255, PXA27x, IXP42x, IXP46x Microcontrollers - Architectural Overview of the 32-Bit MicrocontrollerThe Intel® XScale™ embedded microcontroller core is an ARM® V5TE compliant microprocessor. It is a high performance and low-power device that leads the industry in MIPS/mW.
UDE - Universal Debug Engine - Debugger and Emulator for XScale
UDE - Universal Debug Engine
- is a flexible debug platform with Multi-core debugging.
Special feature support:
Supported Microcontrollers by Universal Debug Engine - Marvell/Intel XScale PXA255, PXA270
- Marvell/Intel XScale IXP420, IXP421, IXP422, IXP423, IXP425, IXP455, IXP460, IXP465
XScale™ Architecture Feature Overview - 32/16-bit RISC architecture ( ARM v5TE )
- 32-bit ARM V5T instruction set for maximum performance and flexibility
- ARM DSP-Enhanced instruction set and Coprocessor
- Memory Management Unit (MMU)
- enhanced Thumb instruction set for increased code density
- Both big and little endian support
- Unified bus interface, 32-bit data bus carries both instructions and data
- 8-, 16-, and 32-bit Data Types
- Seven-stage pipeline
- 4 GBytes Linear Address Space
- 32-bit ALU and high-performance multiplier, Multiply/Accumulate (MAC)
- Fully static operation
- Memory Management Unit (MMU) with caching support
- High performance features:
- Instruction and Data cache
- Various data cache allocation policies which can be configured differently for each application
- A write buffer
- Write-back caching
- Cache locking
- Branch Target Buffer
- Power Management and Low Power Consumption
- Peripherals: Clock, DMA, LCD, I²C, UART, Real-time clock, PWM, Interrupt
Trademarks: ARM, EmbeddedICE and Thumb are registered trademarks of ARM Limited. XScale is a registered trademark of Intel Corporation. All other brands or product names are the property of their respective holders. |
