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ADS7924: Interrupt configuration register for alarm generation

Part Number: ADS7924

Hi Team,

If the device is configured for ALMCNT[2:0] bits of INTCONFIG(Add: 0x12) register as 111 condition for generating alarm after configured channel's conversion result exceeds the threshold limit for 7 times then what will be the count value for below condition:

 a) If the result exceeds threshold limit for 3 times and then for 4th conversion result if it doesn't exceed threshold limit then will the count be cleared and counts from zero or it retains its previous value? if it retains its previous value then will it increase if the result exceeds threshold limit after some time?. Referred page-30 of data sheet  for register description (attached below).


Thanks in advance for your help and support.

Regards, Shinu Mathew.

5 Replies

  • Hi Shinu,

    I am looking into this and will get back to you soon.
  • In reply to Evan Sawyer:

    Hi Shinu,

    As you have already noted, the datasheet does not specify if the alarm retains its value or resets. I have reached out to the design team and will update you tomorrow.
  • In reply to Evan Sawyer:

    Hi Shinu,

    The design team is out for the weekend, but I expect a response from them in the second half of next week. I'll update you by Thursday (12/28).
  • In reply to Evan Sawyer:

    Hi Team ,

    Can you please help on this issue.

    Thanks, Shinu Mathew.
  • In reply to Shinu.V.Mathew:

    Hi Shinu,

    Sorry for the delay, the holidays slowed down our access to the right database. I will loop you directly into an email thread.

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