This document describes the NXP (freescale) i.MX28 based ARM9 development board MYD-IMX28X and CPU Module MYC-IMX28X. The MYD-IMX28X development board uses the MYC-IMX28X CPU Module as the core controller board and has rich peripherals on the base board through headers and connectors. It is able to run Linux and can support extended working temperature from -45 to 85 Celsius. The cost very low, pricing only USD39/pc for MOQ1, FOB Shenzhen, China.