STM32446E EVAL SDRAM Exported Constants

Defines
#define	SDRAM_DEVICE_ADDR   ((uint32_t)0xC0000000)
#define	SDRAM_DEVICE_SIZE   ((uint32_t)0x800000) /* SDRAM device size in MBytes */
#define	SDRAM_MEMORY_WIDTH   FMC_SDRAM_MEM_BUS_WIDTH_16
#define	SDCLOCK_PERIOD   FMC_SDRAM_CLOCK_PERIOD_2
#define	REFRESH_COUNT   ((uint32_t)0x0569) /* SDRAM refresh counter (90Mhz SD clock) */
#define	SDRAM_TIMEOUT   ((uint32_t)0xFFFF)
#define	__DMAx_CLK_ENABLE   __HAL_RCC_DMA2_CLK_ENABLE
#define	__DMAx_CLK_DISABLE   __HAL_RCC_DMA2_CLK_DISABLE
#define	SDRAM_DMAx_CHANNEL   DMA_CHANNEL_0
#define	SDRAM_DMAx_STREAM   DMA2_Stream0
#define	SDRAM_DMAx_IRQn   DMA2_Stream0_IRQn
#define	SDRAM_DMAx_IRQHandler   DMA2_Stream0_IRQHandler
#define	SDRAM_MODEREG_BURST_LENGTH_1   ((uint16_t)0x0000)
	FMC SDRAM Mode definition register defines.
#define	SDRAM_MODEREG_BURST_LENGTH_2   ((uint16_t)0x0001)
#define	SDRAM_MODEREG_BURST_LENGTH_4   ((uint16_t)0x0002)
#define	SDRAM_MODEREG_BURST_LENGTH_8   ((uint16_t)0x0004)
#define	SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   ((uint16_t)0x0000)
#define	SDRAM_MODEREG_BURST_TYPE_INTERLEAVED   ((uint16_t)0x0008)
#define	SDRAM_MODEREG_CAS_LATENCY_2   ((uint16_t)0x0020)
#define	SDRAM_MODEREG_CAS_LATENCY_3   ((uint16_t)0x0030)
#define	SDRAM_MODEREG_OPERATING_MODE_STANDARD   ((uint16_t)0x0000)
#define	SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED   ((uint16_t)0x0000)
#define	SDRAM_MODEREG_WRITEBURST_MODE_SINGLE   ((uint16_t)0x0200)

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Define Documentation

#define __DMAx_CLK_DISABLE   __HAL_RCC_DMA2_CLK_DISABLE

Definition at line 94 of file stm32446e_eval_sdram.h.

#define __DMAx_CLK_ENABLE   __HAL_RCC_DMA2_CLK_ENABLE

Definition at line 93 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_MspInit().

#define REFRESH_COUNT   ((uint32_t)0x0569) /* SDRAM refresh counter (90Mhz SD clock) */

Definition at line 88 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Init().

#define SDCLOCK_PERIOD   FMC_SDRAM_CLOCK_PERIOD_2

Definition at line 85 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Init().

#define SDRAM_DEVICE_ADDR   ((uint32_t)0xC0000000)

Definition at line 79 of file stm32446e_eval_sdram.h.

#define SDRAM_DEVICE_SIZE   ((uint32_t)0x800000) /* SDRAM device size in MBytes */

Definition at line 80 of file stm32446e_eval_sdram.h.

#define SDRAM_DMAx_CHANNEL   DMA_CHANNEL_0

Definition at line 95 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_MspInit().

#define SDRAM_DMAx_IRQHandler   DMA2_Stream0_IRQHandler

Definition at line 98 of file stm32446e_eval_sdram.h.

#define SDRAM_DMAx_IRQn   DMA2_Stream0_IRQn

Definition at line 97 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_MspDeInit(), and BSP_SDRAM_MspInit().

#define SDRAM_DMAx_STREAM   DMA2_Stream0

Definition at line 96 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_MspDeInit(), and BSP_SDRAM_MspInit().

#define SDRAM_MEMORY_WIDTH   FMC_SDRAM_MEM_BUS_WIDTH_16

Definition at line 83 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Init().

#define SDRAM_MODEREG_BURST_LENGTH_1   ((uint16_t)0x0000)

FMC SDRAM Mode definition register defines.

Definition at line 104 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Initialization_sequence().

#define SDRAM_MODEREG_BURST_LENGTH_2   ((uint16_t)0x0001)

Definition at line 105 of file stm32446e_eval_sdram.h.

#define SDRAM_MODEREG_BURST_LENGTH_4   ((uint16_t)0x0002)

Definition at line 106 of file stm32446e_eval_sdram.h.

#define SDRAM_MODEREG_BURST_LENGTH_8   ((uint16_t)0x0004)

Definition at line 107 of file stm32446e_eval_sdram.h.

#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED   ((uint16_t)0x0008)

Definition at line 109 of file stm32446e_eval_sdram.h.

#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL   ((uint16_t)0x0000)

Definition at line 108 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Initialization_sequence().

#define SDRAM_MODEREG_CAS_LATENCY_2   ((uint16_t)0x0020)

Definition at line 110 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Initialization_sequence().

#define SDRAM_MODEREG_CAS_LATENCY_3   ((uint16_t)0x0030)

Definition at line 111 of file stm32446e_eval_sdram.h.

#define SDRAM_MODEREG_OPERATING_MODE_STANDARD   ((uint16_t)0x0000)

Definition at line 112 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Initialization_sequence().

#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED   ((uint16_t)0x0000)

Definition at line 113 of file stm32446e_eval_sdram.h.

#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE   ((uint16_t)0x0200)

Definition at line 114 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Initialization_sequence().

#define SDRAM_TIMEOUT   ((uint32_t)0xFFFF)

Definition at line 90 of file stm32446e_eval_sdram.h.

Referenced by BSP_SDRAM_Initialization_sequence(), and BSP_SDRAM_Sendcmd().