AN4570 datasheet(16/46 Pages) STMICROELECTRONICS

16 / 46 page

Interfacing with a non-multiplexed, asynchronous 16-bit NOR Flash memory

AN4570

16/46

DocID026804 Rev 1

static uint16_t nor_aRxBuffer[BUFFER_SIZE]= {0};

/* Private function prototypes --------------------------------------------

---*/

static uint8_t NOR_WriteData(uint32_t uwStartAddress,

uint16_t* pData,

uint32_t uwDataSize);

static uint8_t NOR_ReadData(uint32_t uwStartAddress,

uint16_t *pData,

uint32_t uwDataSize);

extern int main_NOR(void);

int main_NOR(void)

{

norHandle.Instance

= FMC_NORSRAM_DEVICE;

norHandle.Extended

= FMC_NORSRAM_EXTENDED_DEVICE;

/*##-1- Configure the NOR device

###########################################*/

/* NOR device configuration */

Timing.AddressSetupTime

= 2;

Timing.AddressHoldTime

= 1;

Timing.DataSetupTime

= 3;

Timing.BusTurnAroundDuration = 0;

Timing.CLKDivision

= 2;

Timing.DataLatency

= 2;

Timing.AccessMode

= FMC_ACCESS_MODE_B;

norHandle.Init.NSBank

= FMC_NORSRAM_BANK2;

norHandle.Init.DataAddressMux

= FMC_DATA_ADDRESS_MUX_DISABLE;

norHandle.Init.MemoryType

= FMC_MEMORY_TYPE_NOR;

norHandle.Init.MemoryDataWidth

= NOR_MEMORY_WIDTH;

norHandle.Init.BurstAccessMode

= NOR_BURSTACCESS;

norHandle.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_LOW;

norHandle.Init.WrapMode

= FMC_WRAP_MODE_DISABLE;

norHandle.Init.WaitSignalActive

= FMC_WAIT_TIMING_BEFORE_WS;

norHandle.Init.WriteOperation

= FMC_WRITE_OPERATION_ENABLE;

norHandle.Init.WaitSignal

= FMC_WAIT_SIGNAL_DISABLE;

norHandle.Init.ExtendedMode

= FMC_EXTENDED_MODE_DISABLE;

norHandle.Init.AsynchronousWait

= FMC_ASYNCHRONOUS_WAIT_DISABLE;

norHandle.Init.WriteBurst

= NOR_WRITEBURST;

/* NOR controller initialization */

if(HAL_NOR_Init(&norHandle, &Timing, &Timing) != HAL_OK)

{

AN4570 bảng dữ liệu(PDF) 16 Page - STMicroelectronics

AN4570 bảng dữ liệu(HTML) 16 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

bảng dữ liệu tải về

Link URL