Why sometimes BlueNRG-1 Flash gets corrupt on power up?

[Mukhtar Khan]

Posted on November 19, 2017 at 15:19

I'm facing a serious issue with the BlueNRG-1 chip. Its flash sometimes gets corrupt on power up. It is happening due to slow discharging of bulk electrolytic cap of 100uF. When I remove capacitor then it works fine but I can't remove capacitor because I will power this board with the external adaptor in the field. In general all power adaptor has capacitors at the output. So How to solve this problem? Anyone please suggest. I would be really thankful.

Thanks

#bluenrg-1-flash-gets-corrupt-on-power-up #flash-corrupt

[Mukhtar Khan]

Posted on November 24, 2017 at 21:46

Solved! BOR setting was not available in the old version of system_bluenrg1.h&.c. Just updated this two files with the latest release by VMA team. This setting is available in BlueNRG-1_2 DK 2.5.0 package. But by default it is BOR_OFF. So please ensure to keep this ON. Otherwise flash will corrupt in power cycle.