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C2000-GANG: C2000-GANG: ERROR 70: DSP CLK frequency error

Part Number: C2000-GANG
Other Parts Discussed in Thread: TMS320F28377S,

HI,

MCU:TMS320F28377S

External OSC :25MHZ

Programming Tools:C2000-GANG   Software:C2000-GANG-1v0100-Setup
I have tried for first time the C2000-GAN programmer in our custom designed board,There are two problems in the actual application.
1、If the device clock input is 25MHz and C2000-Gang DSP Clock set to 25MHz, Error69 or Error 70 . 
      error 69 : DSP firmware start failed
      error 70 : DSP CLK frequency error

     If the device clock input is 20MHz and C2000-Gang DSP Clock set to 20MHz,No problem when downloading program.

     Does this version not support setting clock to 25MHz ?

2、We want to use the encryption function of C2000-GANG. After selecting MCU 28377S, the “write csm” enable button is gray.

     Does not support encryption of the 28377S?