diff --git a/ports/stm32/mphalport.h b/ports/stm32/mphalport.h
index 72413c04c7..a60365087e 100644
--- a/ports/stm32/mphalport.h
+++ b/ports/stm32/mphalport.h
@@ -52,6 +52,10 @@ static inline mp_uint_t mp_hal_ticks_cpu(void) {
 #define MP_HAL_PIN_PULL_NONE            (GPIO_NOPULL)
 #define MP_HAL_PIN_PULL_UP              (GPIO_PULLUP)
 #define MP_HAL_PIN_PULL_DOWN            (GPIO_PULLDOWN)
+#define MP_HAL_PIN_SPEED_LOW            (GPIO_SPEED_FREQ_LOW)
+#define MP_HAL_PIN_SPEED_MEDIUM         (GPIO_SPEED_FREQ_MEDIUM)
+#define MP_HAL_PIN_SPEED_HIGH           (GPIO_SPEED_FREQ_HIGH)
+#define MP_HAL_PIN_SPEED_VERY_HIGH      (GPIO_SPEED_FREQ_VERY_HIGH)
 
 #define mp_hal_pin_obj_t const pin_obj_t*
 #define mp_hal_get_pin_obj(o)   pin_find(o)
diff --git a/ports/stm32/pin_static_af.h b/ports/stm32/pin_static_af.h
index b73944d6f8..f5f4e6fd4d 100644
--- a/ports/stm32/pin_static_af.h
+++ b/ports/stm32/pin_static_af.h
@@ -41,6 +41,10 @@
 #define mp_hal_pin_config_alt_static(pin_obj, mode, pull, fn_type) \
         mp_hal_pin_config(pin_obj, mode, pull, fn_type(pin_obj)) /* Overflow Error => alt func not found */
 
+#define mp_hal_pin_config_alt_static_speed(pin_obj, mode, pull, speed, fn_type) \
+        mp_hal_pin_config(pin_obj, mode, pull, fn_type(pin_obj)); /* Overflow Error => alt func not found */ \
+        mp_hal_pin_config_speed(pin_obj, speed)
+
 #endif
 
 #endif // MICROPY_INCLUDED_STM32_PIN_STATIC_AF_H
diff --git a/ports/stm32/sdram.c b/ports/stm32/sdram.c
index 6350b1d954..e2b29c56e2 100644
--- a/ports/stm32/sdram.c
+++ b/ports/stm32/sdram.c
@@ -53,74 +53,74 @@ bool sdram_init(void) {
     __HAL_RCC_FMC_CLK_ENABLE();
 
     #if defined(MICROPY_HW_FMC_SDCKE0)
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDCKE0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDCKE0);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDNE0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDNE0);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDCKE0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDCKE0);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNE0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNE0);
 
     #elif defined(MICROPY_HW_FMC_SDCKE1)
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDCKE1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDCKE1);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDNE1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDNE1);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDCKE1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDCKE1);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNE1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNE1);
     #endif
 
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDCLK, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDCLK);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDNCAS, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDNCAS);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDNRAS, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDNRAS);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_SDNWE, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_SDNWE);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_BA0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_BA0);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_BA1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_BA1);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_NBL0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_NBL0);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_NBL1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_NBL1);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDCLK, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDCLK);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNCAS, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNCAS);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNRAS, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNRAS);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_SDNWE, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_SDNWE);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_BA0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_BA0);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_BA1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_BA1);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_NBL0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_NBL0);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_NBL1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_NBL1);
     #ifdef MICROPY_HW_FMC_NBL2
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_NBL2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_NBL2);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_NBL3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_NBL3);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_NBL2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_NBL2);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_NBL3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_NBL3);
     #endif
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A0);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A1);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A2);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A3);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A4, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A4);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A5, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A5);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A6, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A6);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A7, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A7);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A8);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A9);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A10);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A11);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A0);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A1);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A2);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A3);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A4, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A4);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A5, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A5);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A6, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A6);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A7, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A7);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A8);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A9);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A10);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A11);
     #ifdef MICROPY_HW_FMC_A12
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_A12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_A12);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_A12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_A12);
     #endif
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D0);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D1);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D2);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D3);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D4, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D4);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D5, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D5);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D6, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D6);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D7, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D7);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D8);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D9);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D10);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D11);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D12);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D13, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D13);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D14, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D14);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D15, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D15);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D0, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D0);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D1, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D1);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D2, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D2);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D3, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D3);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D4, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D4);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D5, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D5);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D6, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D6);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D7, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D7);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D8, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D8);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D9, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D9);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D10, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D10);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D11, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D11);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D12, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D12);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D13, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D13);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D14, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D14);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D15, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D15);
     #ifdef MICROPY_HW_FMC_D16
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D16, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D16);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D17, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D17);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D18, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D18);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D19, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D19);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D20, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D20);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D21, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D21);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D22, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D22);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D23, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D23);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D24, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D24);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D25, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D25);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D26, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D26);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D27, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D27);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D28, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D28);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D29, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D29);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D30, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D30);
-    mp_hal_pin_config_alt_static(MICROPY_HW_FMC_D31, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, STATIC_AF_FMC_D31);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D16, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D16);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D17, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D17);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D18, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D18);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D19, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D19);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D20, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D20);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D21, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D21);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D22, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D22);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D23, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D23);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D24, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D24);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D25, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D25);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D26, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D26);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D27, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D27);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D28, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D28);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D29, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D29);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D30, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D30);
+    mp_hal_pin_config_alt_static_speed(MICROPY_HW_FMC_D31, MP_HAL_PIN_MODE_ALT, MP_HAL_PIN_PULL_NONE, MP_HAL_PIN_SPEED_VERY_HIGH, STATIC_AF_FMC_D31);
     #endif
 
     /* SDRAM device configuration */