# \#priority-medium **URL:** https://forum.embeetle.com/tag/priority-medium/74.md [Latest](https://forum.embeetle.com/latest.md) · [Categories](https://forum.embeetle.com/categories.md) · [Tags](https://forum.embeetle.com/tags.md) --- ## [New nRF52 boards don't work anymore with OpenOCD](https://forum.embeetle.com/t/new-nrf52-boards-dont-work-anymore-with-openocd/700)
**Author:** [@kristof](https://forum.embeetle.com/u/kristof)\ **Replies:** 0\ **Last updated:** [April 16, 2023, 4:42pm UTC](https://forum.embeetle.com/t/new-nrf52-boards-dont-work-anymore-with-openocd/700 "2023-04-16T16:42:08Z")
New versions of the nRF52 chips have an improved implementation of the Acess Port Protection Mechanism. Their APPROTECT bit is set to 1 by default, such that the firmware in Flash memory cannot be accessed through the SW…