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Posted to commits@mynewt.apache.org by GitBox <gi...@apache.org> on 2022/03/16 11:42:43 UTC

[GitHub] [mynewt-nimble] andrzej-kaczmarek commented on issue #1207: NRF52: Use with MCU_LFCLK_SOURCE: LFRC

andrzej-kaczmarek commented on issue #1207:
URL: https://github.com/apache/mynewt-nimble/issues/1207#issuecomment-1069036141


   LFRC needs to be calibrated to improve accuracy to 500ppm before it can be used as LP clock source for NimBLE. You need to set `BLE_LL_SCA: 500` to let NimBLE know accuracy of sleep clock (i.e. 500ppm) and then perform LFRC calibration (I don't think Mynewt does it automatically).


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