A real time data acquisition system based on S3C44B0X with the ARM kernal is introduced.With this system the out signal from electronic digital caliper can be acquired and recorded automatically.

• 摘要提出了基于ARM内核的S3C44B0X为处理器的数显卡尺数据采集系统，该系统可以对卡尺的输出信号进行自动采集和记录。