Advantech SOM-A2558 user manual SoC Intel XScale PXA255 introduction

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User’s Manual for Advantech SOM-A2558 series module V1.00

SoC Intel XScale PXA255 introduction

Intel XScale PXA255 processor is continuing the advance in handheld multimedia functionality.

PXA255 is Low power, high performance 32-bit Intel XScale® core-based CPU (200, 300 and 400 MHz). The SoC is ARM Architecture v.5TE compliant. 0.18µ process for high core speeds at low power.

Intel® Media Processing Technology including 40-bit accumulator and 16-bit SIMD to enhance audio/video decode performance.

In power field, Low Power and Turbo modes enables enhanced optimal battery life. 32 KB data and 32 KB instruction caches, 2 KB Mini data cache for streaming data.

About PXA255 I/O expansion function, Integrated Memory and PCMCIA/Compact Flash Controller with 100 MHz Memory Bus, 16-bit or 32-bit ROM/Flash/SRAM (six banks), 16-bit or 32-bit SDRAM, SMROM (four banks), as well as PCMCIA and Compact Flash for added functionality and expandability. System Control Module includes 17 dedicated general-purpose interruptible I/O ports, real-time clock, watchdog and interval timers, power management controller, interrupt controller, reset controller, and two on-chip oscillators.

Peripheral Control Module offers 16 channel configurable DMA controller, integrated LCD controller with unique DMA for fast color screen support, Bluetooth** I/F, serial ports including IrDA, I2C, I2S, AC97, three UARTs(1 Full H/W flow control), SPI and enhanced SSP, USB end point interface, and MMC/SD Card Support for expandable memory and I/O functionality.

About Intel PXA255 SoC detail information, user could visit Intel web site for more.

Enhance I/O chip Advantech EVA-C210 introduction

The Advantech EVA-C210 Companion Chip is a companion chip to the Intel® PXA255 processor based on XScaleTM technology. It provides a

variety of functions suitable for use in a high performance computer system.

The integrated on-chip functions include:

-Companion to Intel® PXA255 processor

-System Bus Interface (SBI) to AHB Wrapper

-Shared Memory Controller supports SDRAM

-Two PS/2 ports are provided for use with keyboards and mice

-Real Time Clock (RTC) with calendar function

-I2C Controller

-UART Controller with auto-flow-control function for RS485

-16550-compatible UART

-Provide up to 32 bits of General Purpose I/O (GPIO)

-Two independent 16-bit Timers

-Two ports USB Host Controllers with PHY which are compliant with

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