OCY, You are correct. I kind of got a little wrapped up in how I am used to it being done, that it never occurred to me that he just set it in the GUI (which saves the settings to the .ewp project file) instead of coding it in the .xcl command file. Where I work, we put all those settings into the .xcl file and that's why I asked for that. If you have multiple checksums on multiple checksum ranges you have to put the options in the .xcl file. Several comments back I noted that endianess could be the problem. The polynomials between IAR's CRC16 and the MSP HW CRC module are the same but I think (from reading documentation) that the bit order isn't. Anyway, I haven't seen an update from Sachin lately on this thread, so he either figured it out, gave up, or is tackling other problems and will come back to this.
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