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

Chapter 1 SOM-A2558 series Architecture 1.1 Introduction

Advantech SOM-A2558 module uses a dual-chip design principle. SOM-A2558 series System On Module integrates both an Intel XScale PXA255 ultra low power CPU with Advantech's EVA-C210 companion chip. This offers the advantage of integrated controllers, but with multiple I/Os, such as CF, PCMCIA, USB Host, USB Client, RS-232/UART, PCI Bus Rev. 2.2, 10/100Base-T Ethernet, PS/2 ports and RS-485.

SOM-A2558 series Design highlight:

•68 mm x 68 mm x 6.8 mm compact size module

•Power management ready support with Normal, Idle, Suspend, Off mode utilities.

•OS-ready package for Windows CE .NET/Linux Installation (Windows CE .NET 4.2 BSP ready)

•Local bus(AMI Bus), comprehensive I/O interfaces as PS/2 port, Ethernet, USB Host and PCI I/F support

•Boot option by onboard Flash or CFC makes easy maintenance and cost savings

•Provide a variety of reconfi guration options to fulfi ll specifi c requirements

•Design-in Kit package is available for complete design-in support

•Optional RISC CE-Builder assists for customer own image development

SOM-A200 architecture

SOM-A255x series are based on Advantech SOM-A200 architecture to design. SOM-A200 is Advantech RISC ultra-low power series SOM architecture. The following block diagram is the SOM-A200 architecture.

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Advantech SOM-A2558 series Architecture 1.1 Introduction, SOM-A2558 series Design highlight, SOM-A200 architecture
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SOM-A2558 specifications

The Advantech SOM-A2558 represents a significant advancement in system-on-module (SOM) technology, designed to meet the needs of demanding applications in industries such as industrial automation, transportation, and smart cities. Featuring the Intel Apollo Lake processor, specifically the dual-core or quad-core options, the SOM-A2558 delivers an optimal blend of performance and efficiency.

At the core of the SOM-A2558 is the Intel Atom E3950 or E3940 processors, which enable robust processing capabilities while maintaining low power consumption. This is crucial for embedded systems that require continuous operation in energy-sensitive environments. The module supports up to 8GB of DDR4 memory, enhancing its multitasking abilities and enabling it to handle complex applications with ease.

One of the standout features of the SOM-A2558 is its extensive array of I/O options, including USB 3.0, UART, I2C, SPI, and GPIO. This versatility allows for seamless integration with various peripherals and sensors, making it ideal for IoT applications and industrial automation systems. The SOM also supports dual Gigabit Ethernet ports, providing high-speed network connectivity essential for real-time data transfer and communications.

In terms of graphics, the SOM-A2558 supports Intel HD Graphics, which enhances the visual performance for display applications. With integrated hardware-accelerated video decoding and support for 4K resolution, it is suitable for applications such as digital signage and multimedia processing.

Advantech has designed the SOM-A2558 for durability and reliability, featuring a wide operating temperature range from -40°C to 85°C, making it suitable for harsh environments. Additionally, the module's compact form factor ensures easy integration into various system designs, allowing developers to create tailored solutions without significant space constraints.

The SOM-A2558 also supports multiple storage options, including eMMC, SATA III, and M.2 interfaces, which provide flexibility for different storage needs and configurations. Its support for TPM 2.0 enhances security, a vital aspect for applications handling sensitive data.

In summary, the Advantech SOM-A2558 combines cutting-edge technology, extensive connectivity options, and robust performance to facilitate the development of innovative solutions across various sectors. Its features make it an excellent choice for developers looking to create reliable and efficient embedded systems.
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