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problem with 16MHz system clock operation

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I am using XBee PROS2B programmable module for my application. My application is working fine with 48MHz and 32MHz at a baud rate of 115200. But for low power application I wanted to use 16MHz system clock. I changed to 16MHz in Codewarrior config file. But I was not able to build my program. warning:C20000 Dead code detected
warning:C20001 Different value of stack pointer depending on control-flow

Error was pointing to system.c file
dbnza udelay_2 /* 4 cycles */

I was able to build program after removing this part of code.

But I am unable to interact with Freescale processor via Hyperterminal. I felt like problem may be with baud rate. I tried 9600,19200 but the problem persists. Using XCTU I could communicate with module but the configuration parameters are entirely different from what I set using config.xml in Code warrior. Can anyone suggest a solution ?
asked Jun 30, 2016 in XBee Programmable Development by praveenk New to the Community (2 points)
I'm facing the same problem. Any solutions?
Two years later, dealing with this exact same problem.

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