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TMS320F280025C: Device GPIO start at high (Device_initGPIO command

Part Number: TMS320F280025C

Tool/software:

Hi,

When I start code on my MCU, PWM's signals start at high

after some debugging I figured that PWM's signals turn to high after this line:

 // Disable pin locks and enable internal pull-ups.
    Device_initGPIO();



And after running 
Board_init() ;
They turn to zero:

Why is that?

Hardware I connected PWM GPIO through TDI (Truly differential input) :