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

149

UART4_RXD

I

UART5 Receive signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

150

UART5_RTS

O

UART5

Data-Terminal-Ready

Pull high with

 

 

 

signal pin.

 

 

 

 

100Kohm

151

UART4_TXD

O

UART4 Transmit signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

152

UART5_TXD

O

UART5 Transmit signal pin.

 

Pull high with

 

 

 

 

 

 

 

 

 

 

100Kohm

153

MSCLK

IO

PS/2 mouse clock

 

 

 

Pull high with

 

 

 

 

 

 

 

 

 

 

10Kohm

154

KBDATA

IO

PS/2 keyboard data

 

 

 

Pull high with

 

 

 

 

 

 

 

 

 

 

10Kohm

155

MSDATA

IO

PS/2 mouse data

 

 

 

Pull high with

 

 

 

 

 

 

 

 

 

 

10Kohm

156

KBCLK

IO

PS/2 keyboard clock

 

 

 

Pull high with

 

 

 

 

 

 

 

 

 

 

10Kohm

157

nVBRIR_INC

O

One

of

LCD

inverter

backlight

No pulling

 

 

 

brightness

control

signals.

 

 

 

 

nVBRIR_INC is used to increase

 

 

 

 

or

decrease

Wiper

Control.

 

 

 

 

Advantech suggests to connect the

 

 

 

 

pin to DS1804 1st pin.

 

 

 

158

N.C.

-

N.C. just float this pin.

 

 

-

159

nVBRIR_UnD

O

One

of

LCD

inverter

backlight

No pulling

 

 

 

brightness

control

signals.

 

 

 

 

nVBRIR_UnD is used be Up/Down

 

 

 

 

Control.

Advantech

suggests

to

 

 

 

 

connect the pin to DS1804 2nd pin.

 

160

N.C.

-

N.C. just float this pin.

 

 

-

161

VBRIR_CS

O

One

of

LCD

inverter

backlight

No pulling

 

 

 

brightness

control

signals.

 

 

 

 

VBRIR_CS is used be chip select

 

 

 

 

pin.

Advantech

suggests

to

 

 

 

 

connect the pin to DS1804 7th pin.

 

162

N.C.

-

N.C. just float this pin.

 

 

-

163

nVCONR_INC

O

One of STN LCD contrast control

No pulling

 

 

 

signals. nVCONR_INC is used be

 

 

 

 

increase/decrease Wiper Control

 

 

 

 

pin.

Advantech

suggests

to

 

 

 

 

connect the pin to DS1804 1st pin.

 

164

N.C.

-

N.C. just float this pin.

 

 

-

165

VCONR_CS

O

One of STN LCD contrast control

No pulling

 

 

 

signals. VCONR_CS is used be

 

 

 

 

chip

select

pin.

 

Advantech

 

 

 

 

suggests to connect the pin to

 

 

 

 

DS1804 7th pin.

 

 

 

 

166

N.C.

-

N.C. just float this pin.

 

 

-

167

VCONR_UnD

O

One of STN LCD contrast control

No pulling

 

 

 

signals. VCONR_UnD is used be

 

25

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Advantech SOM-A2558 user manual UART4RXD, UART5RTS, UART4TXD, UART5TXD, Kbdata, Msdata, Kbclk, Vbrircs, Vconrcs

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.