Part Number: HDC3020
when I use FPGA to HDC3020 to read temp and humi, first I send 21 30,then i send 24 00,but sendor return ffff to FPGA and ack, it seems that sensor didn't work well,please help analyze ,thanks very much



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Hello,
I send 21 30
This means Auto Measurement Mode 1 measurement per second.
Please follow "Figure 7-12" to get Measurement Readout in Auto Measurement Mode.