MCIMX53-START-R no longer features an accelerometer due to vendors EOL and no direct replacement. The BSP is not affected. The i.MX 53 Quick Start Board is a $299 open source development platform integrated with an Arm® Cortex®-A8 1 GHz processor and the NXP® MC34708 PMIC. Quick Start Board includes a display controller, hardware-accelerated graphics, 1080p video decode and 720p encode as well as numerous connectivity options ideally suited for applications such as human machine interface in embedded consumer, industrial and medical markets.