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

 

 

 

CSB with DMA mode, please check

 

 

 

 

with ae.risc@advantech.com.tw first.

 

 

 

 

If use doesn’t want to use this pin as

 

 

 

 

DMA_REQ, use could use the pin as

 

 

 

 

GPIO. The pin connects to SoC

 

 

 

 

PXA255 GPIO19.

 

 

 

 

 

 

Memory

Controller alternate

bus

 

 

 

 

master request. Allows an external

 

 

 

 

device to request the system bus

 

 

 

 

from the Memory Controller. If user

 

 

 

 

wants to design a controller in CSB

Pull low

B49

MBREQ

I

with this pin function, please check

with 1Kohm

 

 

 

with ae.risc@advantech.com.tw first.

 

 

 

If use doesn’t want to use this pin as

 

 

 

 

DMA_REQ, use could use the pin as

 

 

 

 

GPIO. The pin connects to SoC

 

 

 

 

PXA255 GPIO14.

 

 

 

 

 

 

Channel

1

DMA

acknowledge.

 

 

 

 

Notifies an external device that it has

 

 

 

 

been acknowledged

the

DMA

 

 

 

 

controller. If user wants to design a

 

 

 

 

controller in CSB with DMA mode,

 

A49

DMA_ACK1

O

please

 

check

 

with

No pulling

 

 

 

ae.risc@advantech.com.tw first.

 

 

 

 

If use doesn’t want to use this pin as

 

 

 

 

DMA_ACK, use could use the pin as

 

 

 

 

GPIO. The pin connects to SoC

 

 

 

 

PXA255 GPIO22.

 

 

 

 

 

 

Memory Controller grant. Notifies an

 

 

 

 

external device that it has been

 

 

 

 

granted the system bus. If user

 

 

 

 

wants to design a controller in CSB

 

B50

MBGNT

O

with this pin function, please check

Pull low

with ae.risc@advantech.com.tw first.

with 1Kohm

 

 

 

 

 

 

If use doesn’t want to use this pin as

 

 

 

 

MBGNT, use could use the pin as

 

 

 

 

GPIO. The pin connects to SoC

 

 

 

 

PXA255 GPIO13.

 

 

 

A50

3M6864

O

3.6864

MHz

clock.

Output

from

No pulling

 

 

 

3.6864 MHz oscillator.

 

 

 

¦100-pin B2B connector Pin Out Table (X3 connector for PCI, ZV port, MMC interface and Misc. function)

Pin

Signals

Typ

Model

Default state

No.

 

e

 

 

B1

PCIAD0

IO

PCI address/data 0

No pulling

A1

PCIAD1

IO

PCI address/data 1

No pulling

33

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Image 33
Advantech SOM-A2558 user manual Mbreq, DMAACK1, Mbgnt, PCIAD0, PCIAD1

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.