circuitpython/ports/stm32/boards/STM32F429DISC/mpconfigboard.h

#define MICROPY_HW_BOARD_NAME       "F429I-DISCO"
#define MICROPY_HW_MCU_NAME         "STM32F429"

#define MICROPY_HW_HAS_SWITCH       (1)
#define MICROPY_HW_HAS_FLASH        (1)
#define MICROPY_HW_ENABLE_RNG       (1)
#define MICROPY_HW_ENABLE_RTC       (1)
#define MICROPY_HW_ENABLE_USB       (1)

// HSE is 8MHz
#define MICROPY_HW_CLK_PLLM (8)
#define MICROPY_HW_CLK_PLLN (336)
#define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2)
#define MICROPY_HW_CLK_PLLQ (7)

#define MICROPY_HW_UART_REPL        PYB_UART_1
#define MICROPY_HW_UART_REPL_BAUD   115200

// UART config
#define MICROPY_HW_UART1_TX     (pin_A9)
#define MICROPY_HW_UART1_RX     (pin_A10)
#define MICROPY_HW_UART2_TX     (pin_D5)
#define MICROPY_HW_UART2_RX     (pin_D6)
#define MICROPY_HW_UART3_TX     (pin_C10)
#define MICROPY_HW_UART3_RX     (pin_C11)
#define MICROPY_HW_UART6_TX     (pin_C6)
#define MICROPY_HW_UART6_RX     (pin_C7)

// I2C buses
#define MICROPY_HW_I2C3_SCL (pin_A8)
#define MICROPY_HW_I2C3_SDA (pin_C9)

// SPI buses
//#define MICROPY_HW_SPI1_NSS     (pin_A4)
//#define MICROPY_HW_SPI1_SCK     (pin_A5)
//#define MICROPY_HW_SPI1_MISO    (pin_A6)
//#define MICROPY_HW_SPI1_MOSI    (pin_A7)
#if defined(USE_USB_HS_IN_FS)
// The HS USB uses B14 & B15 for D- and D+
#else
#define MICROPY_HW_SPI2_NSS  (pin_B12)
#define MICROPY_HW_SPI2_SCK  (pin_B13)
#define MICROPY_HW_SPI2_MISO (pin_B14)
#define MICROPY_HW_SPI2_MOSI (pin_B15)
#endif
//#define MICROPY_HW_SPI4_NSS     (pin_E11)
//#define MICROPY_HW_SPI4_SCK     (pin_E12)
//#define MICROPY_HW_SPI4_MISO    (pin_E13)
//#define MICROPY_HW_SPI4_MOSI    (pin_E14)
#define MICROPY_HW_SPI5_NSS     (pin_F6)
#define MICROPY_HW_SPI5_SCK     (pin_F7)
#define MICROPY_HW_SPI5_MISO    (pin_F8)
#define MICROPY_HW_SPI5_MOSI    (pin_F9)
//#define MICROPY_HW_SPI6_NSS     (pin_G8)
//#define MICROPY_HW_SPI6_SCK     (pin_G13)
//#define MICROPY_HW_SPI6_MISO    (pin_G12)
//#define MICROPY_HW_SPI6_MOSI    (pin_G14)

// CAN buses
#define MICROPY_HW_CAN1_TX (pin_B9)
#define MICROPY_HW_CAN1_RX (pin_B8)
#define MICROPY_HW_CAN2_TX (pin_B13)
#define MICROPY_HW_CAN2_RX (pin_B12)

// USRSW is pulled low. Pressing the button makes the input go high.
#define MICROPY_HW_USRSW_PIN        (pin_A0)
#define MICROPY_HW_USRSW_PULL       (GPIO_NOPULL)
#define MICROPY_HW_USRSW_EXTI_MODE  (GPIO_MODE_IT_RISING)
#define MICROPY_HW_USRSW_PRESSED    (1)

// LEDs
#define MICROPY_HW_LED1             (pin_G14) // red
#define MICROPY_HW_LED2             (pin_G13) // green
#define MICROPY_HW_LED_ON(pin)      (mp_hal_pin_high(pin))
#define MICROPY_HW_LED_OFF(pin)     (mp_hal_pin_low(pin))

// USB config
#define MICROPY_HW_USB_HS              (1)
#define MICROPY_HW_USB_HS_IN_FS        (1)
#define MICROPY_HW_USB_VBUS_DETECT_PIN (pin_B13)
#define MICROPY_HW_USB_OTG_ID_PIN      (pin_B12)

// SDRAM
#define MICROPY_HW_SDRAM_SIZE  (64 / 8 * 1024 * 1024)  // 64 Mbit
#define MICROPY_HW_SDRAM_STARTUP_TEST             (1)
#define MICROPY_HEAP_START  ((sdram_valid) ? sdram_start() : &_heap_start)
#define MICROPY_HEAP_END    ((sdram_valid) ? sdram_end() : &_heap_end)

// Timing configuration for 90 Mhz (11.90ns) of SD clock frequency (180Mhz/2)
#define MICROPY_HW_SDRAM_TIMING_TMRD        (2)
#define MICROPY_HW_SDRAM_TIMING_TXSR        (7)
#define MICROPY_HW_SDRAM_TIMING_TRAS        (4)
#define MICROPY_HW_SDRAM_TIMING_TRC         (7)
#define MICROPY_HW_SDRAM_TIMING_TWR         (2)
#define MICROPY_HW_SDRAM_TIMING_TRP         (2)
#define MICROPY_HW_SDRAM_TIMING_TRCD        (2)
#define MICROPY_HW_SDRAM_REFRESH_RATE       (64) // ms

#define MICROPY_HW_SDRAM_BURST_LENGTH       2
#define MICROPY_HW_SDRAM_CAS_LATENCY        3
#define MICROPY_HW_SDRAM_COLUMN_BITS_NUM    8
#define MICROPY_HW_SDRAM_ROW_BITS_NUM       12
#define MICROPY_HW_SDRAM_MEM_BUS_WIDTH      16
#define MICROPY_HW_SDRAM_INTERN_BANKS_NUM   4
#define MICROPY_HW_SDRAM_CLOCK_PERIOD       2
#define MICROPY_HW_SDRAM_RPIPE_DELAY        1
#define MICROPY_HW_SDRAM_RBURST             (0)
#define MICROPY_HW_SDRAM_WRITE_PROTECTION   (0)
#define MICROPY_HW_SDRAM_AUTOREFRESH_NUM    (4)

#define MICROPY_HW_FMC_SDCKE1   (pin_B5)
#define MICROPY_HW_FMC_SDNE1    (pin_B6)
#define MICROPY_HW_FMC_SDCLK    (pin_G8)
#define MICROPY_HW_FMC_SDNCAS   (pin_G15)
#define MICROPY_HW_FMC_SDNRAS   (pin_F11)
#define MICROPY_HW_FMC_SDNWE    (pin_C0)
#define MICROPY_HW_FMC_BA0      (pin_G4)
#define MICROPY_HW_FMC_BA1      (pin_G5)
#define MICROPY_HW_FMC_NBL0     (pin_E0)
#define MICROPY_HW_FMC_NBL1     (pin_E1)
#define MICROPY_HW_FMC_A0       (pin_F0)
#define MICROPY_HW_FMC_A1       (pin_F1)
#define MICROPY_HW_FMC_A2       (pin_F2)
#define MICROPY_HW_FMC_A3       (pin_F3)
#define MICROPY_HW_FMC_A4       (pin_F4)
#define MICROPY_HW_FMC_A5       (pin_F5)
#define MICROPY_HW_FMC_A6       (pin_F12)
#define MICROPY_HW_FMC_A7       (pin_F13)
#define MICROPY_HW_FMC_A8       (pin_F14)
#define MICROPY_HW_FMC_A9       (pin_F15)
#define MICROPY_HW_FMC_A10      (pin_G0)
#define MICROPY_HW_FMC_A11      (pin_G1)
#define MICROPY_HW_FMC_D0       (pin_D14)
#define MICROPY_HW_FMC_D1       (pin_D15)
#define MICROPY_HW_FMC_D2       (pin_D0)
#define MICROPY_HW_FMC_D3       (pin_D1)
#define MICROPY_HW_FMC_D4       (pin_E7)
#define MICROPY_HW_FMC_D5       (pin_E8)
#define MICROPY_HW_FMC_D6       (pin_E9)
#define MICROPY_HW_FMC_D7       (pin_E10)
#define MICROPY_HW_FMC_D8       (pin_E11)
#define MICROPY_HW_FMC_D9       (pin_E12)
#define MICROPY_HW_FMC_D10      (pin_E13)
#define MICROPY_HW_FMC_D11      (pin_E14)
#define MICROPY_HW_FMC_D12      (pin_E15)
#define MICROPY_HW_FMC_D13      (pin_D8)
#define MICROPY_HW_FMC_D14      (pin_D9)
#define MICROPY_HW_FMC_D15      (pin_D10)