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HDC2010: DRDY SET but INT pin no Output

Ting Ye
Genius 11800 points
Part Number: HDC2010

Hello Team,

I am experiencing HDC2010 INT pin no response for data ready after setting DRDY as interrupt from HDC2010 datasheet page 9.

HDC2010 INT pin is floating. But when data is ready, INT pin keeps low after setting it active high in 0x0E.

0x06 = 0xA4
0x07 = 0x80
0x04 = 0xE0

0x0E = 0x57

May I know if there is register I miss?

Thank you.

Regards,

Ting

  • 0
    TI__Expert 5695 points
    Hi Ting,
    Your configuration looks right:
    1. DRDY_MASK = 1 (bit 7 on 0x07)
    2. DRDY/INT_EN=1 (bit 2 on 0xE)

    Are you capturing the DRDY/INT pin using a scope to check the dynamic behavior or just looking at the voltage level using a DMM? I recommend an scope to see the dynamic behavior during the I2C transactions: e.g Measurement mode/ read registers/ etc.
    Based on your register settings you are using Automatic data rate (1Hz) so dynamic behavior should be checked.'

    Hope this helps.

    Regards,
    Jose