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When the STM32WB06 is in the automatic connection enabled state, it is unable to enter the low power mode and the automatic connection fails aft

xxyyhhmm
Associate

‎2026-05-23 11:30 AM

Hi, I'm having some issues with the STM32WB06 when trying to achieve low power consumption. I hope someone can help me solve these problems.

Issue 1: After initializing the Bluetooth protocol stack and enabling automatic connection establishment, it causes the device to fail to enter the low power state (BLE wake-up has been disabled). Is this a normal phenomenon? If not, what are the solutions?

Issue 2: Before entering the low power mode, disabling automatic connection establishment allows the device to enter the low power mode normally. However, after waking up, attempting to re-enable automatic connection establishment fails (aci_gap_start_procedure(GAP_AUTO_CONNECTION_ESTABLISHMENT_PROC, LE_1M_PHY_BIT, 0, 0)). What is the solution for this problem?

xxyyhhmm_0-1779561009373.png

I look forward to your replies. Thank you very much!

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