diff options
Diffstat (limited to 'ports/stm32/modmachine.c')
| -rw-r--r-- | ports/stm32/modmachine.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/ports/stm32/modmachine.c b/ports/stm32/modmachine.c index 7db8e2964..19f58a98d 100644 --- a/ports/stm32/modmachine.c +++ b/ports/stm32/modmachine.c @@ -310,6 +310,11 @@ STATIC mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) { #else mp_int_t sysclk = mp_obj_get_int(args[0]); mp_int_t ahb = sysclk; + #if defined (STM32H7) + if (ahb > 200000000) { + ahb /= 2; + } + #endif mp_int_t apb1 = ahb / 4; mp_int_t apb2 = ahb / 2; if (n_args > 1) { |