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HDC1080: HDC1080使用过程中出现的异常现象求解!

Part Number: HDC1080

 20250319HDC1080异常记录.docx

  1. 控制:由FPGA GPIO输出控制信号SDASCL,电平标准为3V-LVTLL
  2. 时序:按手册要求,先按图10配置,再按图11读取温度/湿度。
  3. 时序实际抓取波形存在2个问题:1).writeack信号有窄高峰,为什么?是否影响?2).read数据时ack为高电平,sda线上读到的值一直不变,改变环境温度也不变,一直为FFFF,为什么?

 更具体信息在文档里,请求解答。