By experiment and analysis, the funda mental principle and experience of low power DSP design are provided. The proble ms about DSP idle pin disposal, pull-up resistors selection and batter automatic discharge are discussed.

• 通过实验和分析 ,指出了低功耗海洋监测仪器及系统设计的基本原则 ,总结了dsp闲置的管脚处理、上拉电阻阻值合理选择和电池自放电电流等问题的解决方案和应用经验。