Specifications

9
byte palette RAM provides flexibility in color mapping.
A set of serial devices and general system resources provide computation and connectivity
capabilities for a variety of applications. Intel XScale micro-architecture provides the
following features:
 ARM Architecture Version 5TE ISA compliant
- ARM Thumb Instruction Support
- ARM DSP Enhanced Instructions
 Low power consumption and high performance
 Media Processing Technology
- Enhanced 16-bit Multiply
- 40-bit Accumulator
 32-KByte Instruction Cache
 32-KByte Data Cache
 Instruction and Data Memory Management Units
 Branch Target Buffer
The processor integrates XScale micro-architecture with the following peripheral set:
 Clock and Power Controllers
 DMA Controller
 LCD Controller
 Interrupt Controller
 AC97
 Universal Serial Bus (USB) Client
 I2C
 MultiMediaCard
 Synchronous Serial Protocol (SSP) Port
 General Purpose I/O pins
 UART’s
 Real-Time Clock
 OS Timers
 USB Host and Slave controller
 Camera Interface
The PXA270 has and integrated coprocessor to accelerate multimedia applications. This
coprocessor is characterized by a 64-bit single-instruction multiple-data (SIMD)
architecture and compatibility with the integer functionality of the Intel's Wireless MMX™
technology and streaming SIMD extensions (SSE) instruction sets. Key features of this
coprocessor include:
 30 media-processing instructions
 64-bit architecture up to eight-way SIMD
 16 x 64-bit register file
 SIMD PSR flags with group-conditional execution support