diff options
| -rw-r--r-- | ports/stm32/boards/STM32F769DISC/mpconfigboard.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/ports/stm32/boards/STM32F769DISC/mpconfigboard.h b/ports/stm32/boards/STM32F769DISC/mpconfigboard.h index 9a700d8e4..a34b58e1b 100644 --- a/ports/stm32/boards/STM32F769DISC/mpconfigboard.h +++ b/ports/stm32/boards/STM32F769DISC/mpconfigboard.h @@ -100,7 +100,14 @@ void board_early_init(void); #define MICROPY_HW_ETH_RMII_TXD1 (pin_G14) #if 0 -// Optional SDRAM configuration; requires SYSCLK <= 200MHz +// Optional SDRAM configuration. + +// Note: This requires SYSCLK <= 200MHz. 192MHz example below: +// #define MICROPY_HW_CLK_PLLM (25) +// #define MICROPY_HW_CLK_PLLN (384) +// #define MICROPY_HW_CLK_PLLP (RCC_PLLP_DIV2) +// #define MICROPY_HW_CLK_PLLQ (8) + #define MICROPY_HW_SDRAM_SIZE (128 * 1024 * 1024 / 8) // 128 Mbit #define MICROPY_HW_SDRAM_STARTUP_TEST (0) #define MICROPY_HEAP_START sdram_start() @@ -119,7 +126,7 @@ void board_early_init(void); #define MICROPY_HW_SDRAM_BURST_LENGTH 1 #define MICROPY_HW_SDRAM_CAS_LATENCY 2 #define MICROPY_HW_SDRAM_COLUMN_BITS_NUM 8 -#define MICROPY_HW_SDRAM_ROW_BITS_NUM 13 +#define MICROPY_HW_SDRAM_ROW_BITS_NUM 12 #define MICROPY_HW_SDRAM_MEM_BUS_WIDTH 32 #define MICROPY_HW_SDRAM_INTERN_BANKS_NUM 4 #define MICROPY_HW_SDRAM_CLOCK_PERIOD 2 |