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Original question:

CCS/UCD3138: The confirmation ABORT

CCS/UCD3138: UCD3138 : Reset range when an abort occurs

user5952333
Intellectual 280 points
Part Number: UCD3138

Tool/software: Code Composer Studio

Hello.

When I used the UCD3138-PSFB to set the abort function, I found that the IC reset occurs when the abort is intentionally generated.

At that time, the PWM signal was reset, but the values of the ABRTESR register and SYSESR register remained after the reset.

 

What part of UCD3138 will be reset when illegal processing such as abort occurs?

 

The currently known reset parts are shown below.

 

 

Best regards.

  • 0
    TI__Genius 17090 points

    Nothing is reset when an abort occurs, unless the processor is also reset, either by the abort logic or by the abort handling firmware.

    In that case, almost everything is reset except the registers you mention.  The peripherals are all reset to their default state.

    The RAM contents are not changed by the reset, and most of the general purpose registers are not initialized by reset.  Some of the general purpose registers are initialized by the ROM code, however, and it will change some of the RAM as well.  Those registers are a special case, since they tell what caused the reset.