MAX25608 - CRC3 calculation

edu on Aug 30, 2023

Category: Software

Product Number: MAX25608

Hii,

I want to use this part MAX25608 on a application.

I need to create the CRC3 for the read and the write translation. Both transactions have different number of bits as data to calculate the CRC3 as described on the datassheet.

Do someone have any code example on how to calculate the CRC3 as described on datasheet for read and write transactions?

They use pol x3+x+1 and initial value 000.

Thanks,

Eduardo

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[edited by: GenevaCooper at 4:56 PM (GMT -4) on 7 Sep 2023]

ADIApproved

on Aug 30, 2023 6:13 AM
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ADI North America will be on summer shutdown starting August 24, 2023; perhaps another community member can assist you until our return on September 5th.
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edu on Sep 7, 2023 9:42 AM
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On my application I'm using 200ohm on RADDR pin and RGRADE pin to GND.

I'm sending a READ command to address 0x00, this give those bytes:

0x79 0x03 0x00 0xE0

I calculated the CRC3 bases on algorithm I found here:

MAX25608 CRC Calculation : r/embedded (reddit.com)

Is something wrong on the bytes I'm sending?

Thanks,

Eduardo.
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GenevaC

on Sep 7, 2023 12:55 PM
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Hi, Thank you for your inquiry. Currently, only Maxim ATE products are supported on EngineerZone at this time. Over the next several months, you will see more Maxim products being supported in EngineerZone. Please visit one of the technical support pages on our newly integrated website below for assistance with Maxim Integrated products.

EN - https://www.analog.com/en/support/technical-support.html#
CN - https://support.analog.com/zh-CN/technical-support/
JP - https://support.analog.com/ja-JP/technical-support/
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MAX25608 - CRC3 calculation

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