PUR status after BSL programming

Andy Chernock

Intellectual 740 points

Can the PUR input remain "high" during BSL programming/loading...or does it have to go low?

I realize it is read at power up...but what about after.

thank you!

over 11 years ago

0 _mk over 11 years ago

TI__Expert 4565 points

You can hold the PUR high for as long as needed during the BSL process but after the BSL is finished a BOR must occur for the MSP430 to run the firmware image that was just loaded. If PUR is not low by this point you will reenter the BSL as per figure 2. in http://www.ti.com/lit/slaa452

Matt

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PUR status after BSL programming