AM1808 single board computer

Challenge

To design a multi-functional and small-size single board computer with open architecture for the development of industrial built-in systems.

 

Solution

Our team have designer the AM1808 computer which is based on the AM1808 ARM microprocessor by Texas Instruments running at 375 MHz and Linux OS. It has 128 MB of DDR2 and up to 512 MB of NAND, as well as a slot for a microSD memory card. Board dimensions are 70x100 mm.

A key advantage of this platform is its ability to provide industrial level hardware reliability and uninterruptible execution of user applications. This is achieved with the use of onboard battery management and electronic parts with an operational temperature range of −40 to +85 ° C.

Technical specifications

Hardware
MPU 375 MHz Texas Instruments AM1808, ARM Compliant
RAM/Flash LPDDR SDRAM 128Mb / SPI Flash 8Mb
Interfaces
Ethernet RJ45
USB USB2.0 Type A, miniUSB
WiFi Wi-Fi 802.11 b/g/n
LCD 40-pin FPC; 0,5
Memory card miniSD
Software
Operating system Linux
General Features
Cold boot 10–20 seconds
Hot boot 1 second
Dimensions 70x100 mm
Working temperature –40 … +85 ºС
Power (onboard battery management): DC 3.6—6.5 V±30%
Power supply unit 3.8 – 6 V
USB  
Storage battery 3.6 V

 

Result

AM1808 single board computer has the following benefits:

  • A wide range of external interfaces, including Ethernet, USB Host 1.1, USB OTG 2.0, connector for LCD-display and 802.11n Wi-Fi (optional) allow the user to integrate the device into the infrastructure of the industrial system
  • All the necessary peripherals, such as sensors and actuators, can be attached to the SBC using SPI, I2C, McBSP, UART, RS-232, and GPIO interfaces via expansion connectors
  • A number of distributions (Buildroot, OpenWRT, Angstrom) with the Linux 3.x kernel provide development and execution environments for software engineers, and allow for the use of the platform as a development kit for modeling and system design

 

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