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CCS/TMS320F28069M: Cannot change value of Watchdog timer register

user5053976
Prodigy 170 points

Part Number: TMS320F28069M
Other Parts Discussed in Thread: C2000WARE

Tool/software: Code Composer Studio

Hi everyone, I'm doing lab5 of C2000ware workshop 

I can change value of every register except Watchdog timer register 

Although I tried configuring as the same value in Workshop guide, the watchdog timer didn't change value and they almost set as the constant value as follows:

SysCtrlRegs.WDCR = 0x00C0;

SysCtrlRegs.WDKEY = 0x00C0;

SysCtrlRegs.SCSR = 0x0005;

I tried many ways but nothing changed.

Please help me and give me some advices

Thanks a lot.