Your ePlatform Partner

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

 

 

 

function when transmitting or

 

 

 

 

receiving data. Active states see

 

 

 

 

LED configuration OP2: (power up

 

 

 

 

reset latch input) This pin is used

 

 

 

 

to control the forced or advertised

 

 

 

 

operating mode of the DM9161

 

 

 

 

according to the Table A. The

 

 

 

 

value is latched into the DM9161

 

 

 

 

registers at power-up/reset

 

134

TX+

O

10/100 BASE-T transmit Data

No pulling

 

 

 

positive pin.

 

135

nSPEED_LED

O

Speed LED. Active states indicate

Pull high with

 

 

 

the 100Mbps mode. Active states

10Kohm

 

 

 

see LED configuration When bit 6

 

 

 

 

of Register 16 is set high, it

 

 

 

 

controls the SPEED LED as

 

 

 

 

100Base-TX SD signal output. For

 

 

 

 

debug only OP1: (power up reset

 

 

 

 

latch input) This pin is used to

 

 

 

 

control the forced or advertised

 

 

 

 

operating mode of the DM9161

 

 

 

 

according to the Table A. The

 

 

 

 

value is latched into the DM9161

 

 

 

 

registers at power-up/reset

 

136

GND

P

Ground

-

137

VDD_ENA

O

LCD power control signal. User

No pulling

 

 

 

can use this pin to control the LCD

 

 

 

 

logic power MOS switch to achieve

 

 

 

 

power-saving.

 

138

RX-

I

10/100 BASE-T receive data

No pulling

 

 

 

negative pin.

 

139

VEE_ENA

O

STN LCD VEE power control

No pulling

 

 

 

signal. User can use this pin to

 

 

 

 

control STN LCD VEE power MOS

 

 

 

 

switch to achieve power-saving.

 

140

RX+

I

10/100 BASE-T receive data

No pulling

 

 

 

negative pin.

 

141

VBK_ENA

O

LCD back light inverter power

No pulling

 

 

 

control signal. User can use this

 

 

 

 

pin to control the LCD backlight

 

 

 

 

inverter to achieve power-saving.

 

142

USB_N1

IO

USB host port1 D- data line.

No pulling

143

USB_N2

IO

USB host port2 D- data line.

No pulling

144

USB_P1

IO

USB host port1 D+ data line.

No pulling

145

USB_P2

IO

USB host port2 D+ data line.

No pulling

146

N.C.

-

N.C. just float this pin.

-

147

N.C.

-

N.C. just float this pin.

-

148

UART5_RXD

I

UART5 Receive signal pin.

Pull high with

 

 

 

 

100Kohm

24

Page 24
Image 24
Advantech SOM-A2558 user manual Vddena, Veeena, Vbkena, USBN1, USBN2, USBP1, USBP2, UART5RXD

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.