STM32F469 datasheet(84/91 Pages) STMICROELECTRONICS

84 / 91 page

LTDC application examples

AN4861

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DocID029237 Rev 2

HAL_MPU_ConfigRegion(&MPU_InitStruct);

/* Configure the MPU attributes for region 1 */

/* Configure the MPU attributes for the frontbuffer to normal memory*/

MPU_InitStruct.Enable = MPU_REGION_ENABLE;

MPU_InitStruct.Number = MPU_REGION_NUMBER1;

MPU_InitStruct.BaseAddress = 0xC0000000;

MPU_InitStruct.Size = MPU_REGION_SIZE_256KB;

MPU_InitStruct.SubRegionDisable = 0x0;

MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;

MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;

MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;

MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;

MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;

MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;

HAL_MPU_ConfigRegion(&MPU_InitStruct);

/* Configure the MPU attributes for region 2 */

/* Configure the MPU attributes for the backbuffer to normal memory*/

MPU_InitStruct.Enable = MPU_REGION_ENABLE;

MPU_InitStruct.Number = MPU_REGION_NUMBER2;

MPU_InitStruct.BaseAddress = 0xC0200000;

MPU_InitStruct.Size = MPU_REGION_SIZE_256KB;

MPU_InitStruct.SubRegionDisable = 0x0;

MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL1;

MPU_InitStruct.AccessPermission = MPU_REGION_FULL_ACCESS;

MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;

MPU_InitStruct.IsShareable = MPU_ACCESS_NOT_SHAREABLE;

MPU_InitStruct.IsCacheable = MPU_ACCESS_CACHEABLE;

MPU_InitStruct.IsBufferable = MPU_ACCESS_BUFFERABLE;

HAL_MPU_ConfigRegion(&MPU_InitStruct);

/* Configure the MPU attributes for region 3 */

/* Configure the MPU attributes for Quad-SPI area to strongly ordered

memory*/

MPU_InitStruct.Enable = MPU_REGION_ENABLE;

MPU_InitStruct.Number = MPU_REGION_NUMBER3;

MPU_InitStruct.BaseAddress = 0x90000000;

MPU_InitStruct.Size = MPU_REGION_SIZE_256MB;

MPU_InitStruct.SubRegionDisable = 0x0;

MPU_InitStruct.TypeExtField = MPU_TEX_LEVEL0;

MPU_InitStruct.AccessPermission = MPU_REGION_NO_ACCESS;

MPU_InitStruct.DisableExec = MPU_INSTRUCTION_ACCESS_DISABLE;

STM32F469 데이터시트(PDF) 84 Page - STMicroelectronics

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