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AN4570 датащи(PDF) 37 Page - STMicroelectronics

номер детали AN4570
подробное описание детали  This application note describes how to use the high-density
PDF  46 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4570 датащи(HTML) 37 Page - STMicroelectronics

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AN4570
Interfacing with an 8-bit NAND Flash memory
45
/* Includes ---------------------------------------------------------------
---*/
#include "stm32f3xx_hal.h"
/* Private define ---------------------------------------------------------
---*/
#define NAND_DEVICE_ADDR
((uint32_t)0x70000000)
#define BUFFER_SIZE
((uint32_t)16)
#define WRITE_READ_ADDR
((uint32_t)0x20800)
#define
NAND_OK
0x00
#define
NAND_ERROR
0x01
/* Private variables ------------------------------------------------------
---*/
static NAND_HandleTypeDef nandHandle;
static FMC_NAND_PCC_TimingTypeDef Timing;
static NAND_IDTypeDef NAND_ID;
static uint8_t nand_aTxBuffer[BUFFER_SIZE] = {0x00, 0x01, 0x02, 0x03,
0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B,
0x0C, 0x0D, 0x0E, 0x0F};
static uint8_t nand_aRxBuffer[BUFFER_SIZE]= {0};
/* Private function prototypes --------------------------------------------
---*/
extern int main_NAND(void);
int main_NAND(void)
{
NAND_AddressTypedef Address;
nandHandle.Instance
= FMC_NAND_DEVICE;
/*##-1- Configure the NAND device
###########################################*/
/*NAND Configuration */
Timing.SetupTime
= 0;
Timing.WaitSetupTime = 2;
Timing.HoldSetupTime = 1;
Timing.HiZSetupTime
= 0;
nandHandle.Init.NandBank
= FMC_NAND_BANK2;
nandHandle.Init.Waitfeature
= FMC_NAND_PCC_WAIT_FEATURE_ENABLE;



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