diff options
Diffstat (limited to 'user/bsps/arm/imxrt.rst')
| -rw-r--r-- | user/bsps/arm/imxrt.rst | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/user/bsps/arm/imxrt.rst b/user/bsps/arm/imxrt.rst index 8a5ee28..3f8b270 100644 --- a/user/bsps/arm/imxrt.rst +++ b/user/bsps/arm/imxrt.rst @@ -123,6 +123,26 @@ with your FDT source names):: Make sure that your new C file is compiled and linked into the application. +PLL Settings +------------ + +The commercial variant of the i.MXRT1052 on the evaluation board allows a clock +up to 600MHz for the ARM core. For some industrial variants only up to 528MHz +are specified. To make it possible to adapt to these variants the application +can overwrite the following constant: + +.. code-block:: c + + #include "fsl_clock_config.h" + + const clock_arm_pll_config_t armPllConfig_BOARD_BootClockRUN = { + .loopDivider = 100, + .src = 0, + }; + +With the default configuration of a 24MHz oscillator, the loopDivider has to be +88 for the 528MHz. + Clock Driver ------------ |