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-rw-r--r--stmhal/boards/STM32L476DISC/mpconfigboard.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/stmhal/boards/STM32L476DISC/mpconfigboard.h b/stmhal/boards/STM32L476DISC/mpconfigboard.h
index f4617e67df..79857ccc26 100644
--- a/stmhal/boards/STM32L476DISC/mpconfigboard.h
+++ b/stmhal/boards/STM32L476DISC/mpconfigboard.h
@@ -16,11 +16,11 @@
#define MICROPY_HW_ENABLE_DAC (0)
#define MICROPY_HW_ENABLE_CAN (0)
-// HSE is 8MHz
-#define MICROPY_HW_CLK_PLLM (2)
+// MSI is used and is 4MHz
+#define MICROPY_HW_CLK_PLLM (1)
#define MICROPY_HW_CLK_PLLN (40)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV7)
-#define MICROPY_HW_CLK_PLLR (RCC_PLLP_DIV7)
+#define MICROPY_HW_CLK_PLLR (RCC_PLLR_DIV2)
#define MICROPY_HW_CLK_PLLQ (RCC_PLLQ_DIV2)
#define MICROPY_HW_FLASH_LATENCY FLASH_LATENCY_4
@@ -32,6 +32,8 @@
// I2C busses
#define MICROPY_HW_I2C1_SCL (pin_B6)
#define MICROPY_HW_I2C1_SDA (pin_B7)
+#define MICROPY_HW_I2C2_SCL (pin_B10)
+#define MICROPY_HW_I2C2_SDA (pin_B11)
// We use an array of baudrates and corresponding TIMINGR values.
//
// The value 0x90112626 was obtained from the DISCOVERY_I2C1_TIMING constant