diff options
| -rw-r--r-- | ports/stm32/powerctrlboot.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ports/stm32/powerctrlboot.c b/ports/stm32/powerctrlboot.c index 1721f6c7e..51b740a80 100644 --- a/ports/stm32/powerctrlboot.c +++ b/ports/stm32/powerctrlboot.c @@ -348,8 +348,6 @@ void SystemClock_Config(void) { #elif defined(STM32L1) void SystemClock_Config(void) { - // Enable SYSCFG clock - __HAL_RCC_SYSCFG_CLK_ENABLE(); // Enable power control peripheral __HAL_RCC_PWR_CLK_ENABLE(); @@ -390,6 +388,10 @@ void SystemClock_Config(void) { SystemCoreClockUpdate(); powerctrl_config_systick(); + #if MICROPY_HW_ENABLE_USB + RCC->APB2ENR |= RCC_APB2ENR_SYSCFGEN; + #endif + // Disable the Debug Module in low-power mode due to prevent // unexpected HardFault after __WFI(). #if !defined(NDEBUG) |