I would like to know if watchdog can wake up BlueNRG-2 chip from deep sleep?Is watchdog powered and has active clock in this sleep mode?
Kind regards,Piotr Romaniuk
The watchdog peripheral does not work in Sleep or Standby mode, because in these modes the digital power is not supplied (except the power necessary to keep the RAM in retention).
Please use SLEEP_MODE_CPU_HALT mode instead, using this power saving mode the current consumption is around 1.5 mA.
Please reference the project:
<BlueNRG-1_2 DK 2.6.0>\Project\BlueNRG1_Periph_Examples\WDG\Wakeup
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