https://devzone.nordicsemi.com/f/nordic-q-a/122181/ble-chip-nrf52832-ciaa-rHello all, i made a board with this BLE chip: nRF52832-CIAA-R What happens is that when i enable power supply i can see the circuit is properly in advertise ( i can scan the ble on phone ) but when i try to connect it gives me GATT Error, i alreadyen-USTelligent Community 13Thu, 12 Jun 2025 13:25:02 GMThttps://devzone.nordicsemi.com/thread/539058?ContentTypeID=1Thu, 12 Jun 2025 13:25:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7aef76a8-ebe1-4bee-86f7-2011820031cfKazi Afroza Sultana<p>You are welcome. <span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f642.svg" title="Slight smile">&#x1f642;</span></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/538881?ContentTypeID=1Wed, 11 Jun 2025 16:01:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:faae2af3-f499-4b28-a1f2-470a5b059457James029<p>Exactly, that was the issue! thanks.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/538844?ContentTypeID=1Wed, 11 Jun 2025 13:48:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c37c17e7-f63f-471d-b92d-3d5462d73ac0Kazi Afroza Sultana<p>Hello,</p> <p>Do you have external LFXO in your design? If not, you can use the internal one with the following setup in the pj.conf file</p> <p>CONFIG_CLOCK_CONTROL_NRF_K32SRC_RC=y</p><div style="clear:both;"></div>