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

 

 

 

to PXA255 GPIO82 (E16 pin). This

 

 

 

 

GPIO pin is available for user to use.

 

 

 

 

GPIO pin. The pin directly connects

 

A45

PXA_GP83

IO

to PXA255 GPIO83 (E15 pin). This

No pulling

 

 

 

GPIO pin is available for user to use.

 

 

 

 

GPIO pin. The pin directly connects

 

B46

PXA_GP84

IO

to PXA255 GPIO84 (D16 pin). This

No pulling

 

 

 

GPIO pin is available for user to use.

 

 

 

 

Static chip selects. Chip selects to

 

 

 

 

static memory devices such as ROM

 

 

 

 

and

Flash.

 

Individually

 

 

 

 

programmable

in

the

memory

 

 

 

 

configuration registers. nBUF_CS1

Pull high

A46

nBUF_CS1

O

can be used with variable latency I/O

with

 

 

 

devices. Advantech default uses this

100Kohm

 

 

 

pin as storage flash chip select pin. If

 

 

 

 

no special

application,

Advantech

 

 

 

 

strongly suggest user to open this

 

 

 

 

pin in CSB.

 

 

 

 

 

 

B47

N.C.

-

N.C. just float this pin.

 

 

-

 

 

 

Static chip selects. Chip selects to

 

 

 

 

static memory devices such as ROM

 

 

 

 

and Flash. Individually

 

 

 

 

 

 

programmable

in

the

memory

 

 

 

 

configuration registers. nBUF_CS3

Pull high

 

 

 

can be used with variable latency I/O

A47

nBUF_CS3

O

with

devices.

 

 

 

 

 

 

 

 

 

 

 

 

 

100Kohm

 

 

 

Advantech uses the pin as I/O

 

 

 

memory

block.

About

detail

 

 

 

 

description,

 

please

reference

 

 

 

 

“SOM-A255x series

Memory and

 

 

 

 

Interrupt Map”.

 

 

 

 

 

 

 

 

Static chip selects. Chip selects to

 

 

 

 

static memory devices such as ROM

 

 

 

 

and

Flash.

 

Individually

 

 

 

 

programmable

in

the

memory

 

 

 

 

configuration registers. nBUF_CS5

 

 

 

 

can be used with variable latency I/O

Pull high

 

 

 

devices.

 

 

 

 

 

B48

nBUF_CS5

O

 

 

 

 

 

with

Advantech default uses the pin as

 

 

 

100Kohm

 

 

 

display chip

chip

select

pin.

 

 

 

 

nBUF_CS4 pin is used for SM501 on

 

 

 

 

SOM-A2552 & SOM-A255F series. If

 

 

 

 

no special

application,

Advantech

 

 

 

 

strongly suggest user to open this

 

 

 

 

pin in CSB.

 

 

 

 

 

 

 

 

 

Channel 1 DMA Request. Notifies

 

A48

DMA_REQ1

I

the DMA Controller that an external

Pull low

device requires a DMA transaction. If

with 1Kohm

 

 

 

 

 

 

user wants to design a controller in

 

32

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Advantech SOM-A2558 user manual PXAGP83, PXAGP84, DMAREQ1

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.