MSP430F6779A: MCU behavior when something wrong e.g. ESD

Hi Waragorn,

The MSP430 System ESD Troubleshooting Guide section 2 (SLAA932) provides an overview of some potential ESD failures in MSP430:

As you can see, there is a wide range of potential failures. The actual failure will depend on the device, system ESD protection, where the ESD is applied, and the level of ESD.

Best Regards,
Brandon Fisher

This is too general a question, pretty much anything can happen, from nothing to a single shorted output to a complete latchup of the chip that may or may not be recoverable be removing and re-applying power. In some cases, the watchdog timer can be used to reset the device if it is not "fed", reset periodically.