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n25q256a.h
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n25q256a.h
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/**
******************************************************************************
* @file n25q256a.h
* @author MCD Application Team
* @brief This file contains all the description of the N25Q256A QSPI memory.
******************************************************************************
* @attention
*
* Copyright (c) 2015 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __N25Q256A_H
#define __N25Q256A_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
/** @addtogroup BSP
* @{
*/
/** @addtogroup Components
* @{
*/
/** @addtogroup n25q256a
* @{
*/
/** @defgroup N25Q256A_Exported_Types
* @{
*/
/**
* @}
*/
/** @defgroup N25Q256A_Exported_Constants
* @{
*/
/**
* @brief N25Q256A Configuration
*/
#define N25Q256A_FLASH_SIZE 0x2000000 /* 256 MBits => 32MBytes */
#define N25Q256A_SECTOR_SIZE 0x10000 /* 512 sectors of 64KBytes */
#define N25Q256A_SUBSECTOR_SIZE 0x1000 /* 8192 subsectors of 4kBytes */
#define N25Q256A_PAGE_SIZE 0x100 /* 131072 pages of 256 bytes */
#define N25Q256A_DUMMY_CYCLES_READ 8
#define N25Q256A_DUMMY_CYCLES_READ_QUAD 10
#define N25Q256A_DUMMY_CYCLES_READ_DTR 6
#define N25Q256A_DUMMY_CYCLES_READ_QUAD_DTR 8
#define N25Q256A_BULK_ERASE_MAX_TIME 480000
#define N25Q256A_SECTOR_ERASE_MAX_TIME 3000
#define N25Q256A_SUBSECTOR_ERASE_MAX_TIME 800
/**
* @brief N25Q256A Commands
*/
/* Reset Operations */
#define RESET_ENABLE_CMD 0x66
#define RESET_MEMORY_CMD 0x99
/* Identification Operations */
#define READ_ID_CMD 0x9E
#define READ_ID_CMD2 0x9F
#define MULTIPLE_IO_READ_ID_CMD 0xAF
#define READ_SERIAL_FLASH_DISCO_PARAM_CMD 0x5A
/* Read Operations */
#define READ_CMD 0x03
#define READ_4_BYTE_ADDR_CMD 0x13
#define FAST_READ_CMD 0x0B
#define FAST_READ_DTR_CMD 0x0D
#define FAST_READ_4_BYTE_ADDR_CMD 0x0C
#define DUAL_OUT_FAST_READ_CMD 0x3B
#define DUAL_OUT_FAST_READ_DTR_CMD 0x3D
#define DUAL_OUT_FAST_READ_4_BYTE_ADDR_CMD 0x3C
#define DUAL_INOUT_FAST_READ_CMD 0xBB
#define DUAL_INOUT_FAST_READ_DTR_CMD 0xBD
#define DUAL_INOUT_FAST_READ_4_BYTE_ADDR_CMD 0xBC
#define QUAD_OUT_FAST_READ_CMD 0x6B
#define QUAD_OUT_FAST_READ_DTR_CMD 0x6D
#define QUAD_OUT_FAST_READ_4_BYTE_ADDR_CMD 0x6C
#define QUAD_INOUT_FAST_READ_CMD 0xEB
#define QUAD_INOUT_FAST_READ_DTR_CMD 0xED
#define QUAD_INOUT_FAST_READ_4_BYTE_ADDR_CMD 0xEC
/* Write Operations */
#define WRITE_ENABLE_CMD 0x06
#define WRITE_DISABLE_CMD 0x04
/* Register Operations */
#define READ_STATUS_REG_CMD 0x05
#define WRITE_STATUS_REG_CMD 0x01
#define READ_LOCK_REG_CMD 0xE8
#define WRITE_LOCK_REG_CMD 0xE5
#define READ_FLAG_STATUS_REG_CMD 0x70
#define CLEAR_FLAG_STATUS_REG_CMD 0x50
#define READ_NONVOL_CFG_REG_CMD 0xB5
#define WRITE_NONVOL_CFG_REG_CMD 0xB1
#define READ_VOL_CFG_REG_CMD 0x85
#define WRITE_VOL_CFG_REG_CMD 0x81
#define READ_ENHANCED_VOL_CFG_REG_CMD 0x65
#define WRITE_ENHANCED_VOL_CFG_REG_CMD 0x61
#define READ_EXT_ADDR_REG_CMD 0xC8
#define WRITE_EXT_ADDR_REG_CMD 0xC5
/* Program Operations */
#define PAGE_PROG_CMD 0x02
#define PAGE_PROG_4_BYTE_ADDR_CMD 0x12
#define DUAL_IN_FAST_PROG_CMD 0xA2
#define EXT_DUAL_IN_FAST_PROG_CMD 0xD2
#define QUAD_IN_FAST_PROG_CMD 0x32
#define EXT_QUAD_IN_FAST_PROG_CMD 0x12 /*0x38*/
#define QUAD_IN_FAST_PROG_4_BYTE_ADDR_CMD 0x34
/* Erase Operations */
#define SUBSECTOR_ERASE_CMD 0x20
#define SUBSECTOR_ERASE_4_BYTE_ADDR_CMD 0x21
#define SECTOR_ERASE_CMD 0xD8
#define SECTOR_ERASE_4_BYTE_ADDR_CMD 0xDC
#define BULK_ERASE_CMD 0xC7
#define PROG_ERASE_RESUME_CMD 0x7A
#define PROG_ERASE_SUSPEND_CMD 0x75
/* One-Time Programmable Operations */
#define READ_OTP_ARRAY_CMD 0x4B
#define PROG_OTP_ARRAY_CMD 0x42
/* 4-byte Address Mode Operations */
#define ENTER_4_BYTE_ADDR_MODE_CMD 0xB7
#define EXIT_4_BYTE_ADDR_MODE_CMD 0xE9
/* Quad Operations */
#define ENTER_QUAD_CMD 0x35
#define EXIT_QUAD_CMD 0xF5
/**
* @brief N25Q256A Registers
*/
/* Status Register */
#define N25Q256A_SR_WIP ((uint8_t)0x01) /*!< Write in progress */
#define N25Q256A_SR_WREN ((uint8_t)0x02) /*!< Write enable latch */
#define N25Q256A_SR_BLOCKPR ((uint8_t)0x5C) /*!< Block protected against program and erase operations */
#define N25Q256A_SR_PRBOTTOM ((uint8_t)0x20) /*!< Protected memory area defined by BLOCKPR starts from top or bottom */
#define N25Q256A_SR_SRWREN ((uint8_t)0x80) /*!< Status register write enable/disable */
/* Nonvolatile Configuration Register */
#define N25Q256A_NVCR_NBADDR ((uint16_t)0x0001) /*!< 3-bytes or 4-bytes addressing */
#define N25Q256A_NVCR_SEGMENT ((uint16_t)0x0002) /*!< Upper or lower 128Mb segment selected by default */
#define N25Q256A_NVCR_DUAL ((uint16_t)0x0004) /*!< Dual I/O protocol */
#define N25Q256A_NVCR_QUAB ((uint16_t)0x0008) /*!< Quad I/O protocol */
#define N25Q256A_NVCR_RH ((uint16_t)0x0010) /*!< Reset/hold */
#define N25Q256A_NVCR_ODS ((uint16_t)0x01C0) /*!< Output driver strength */
#define N25Q256A_NVCR_XIP ((uint16_t)0x0E00) /*!< XIP mode at power-on reset */
#define N25Q256A_NVCR_NB_DUMMY ((uint16_t)0xF000) /*!< Number of dummy clock cycles */
/* Volatile Configuration Register */
#define N25Q256A_VCR_WRAP ((uint8_t)0x03) /*!< Wrap */
#define N25Q256A_VCR_XIP ((uint8_t)0x08) /*!< XIP */
#define N25Q256A_VCR_NB_DUMMY ((uint8_t)0xF0) /*!< Number of dummy clock cycles */
/* Extended Address Register */
#define N25Q256A_EAR_A24 ((uint8_t)0x01) /*!< Select the lower or upper 128Mb segment */
/* Enhanced Volatile Configuration Register */
#define N25Q256A_EVCR_ODS ((uint8_t)0x07) /*!< Output driver strength */
#define N25Q256A_EVCR_VPPA ((uint8_t)0x08) /*!< Vpp accelerator */
#define N25Q256A_EVCR_RH ((uint8_t)0x10) /*!< Reset/hold */
#define N25Q256A_EVCR_DUAL ((uint8_t)0x40) /*!< Dual I/O protocol */
#define N25Q256A_EVCR_QUAD ((uint8_t)0x80) /*!< Quad I/O protocol */
/* Flag Status Register */
#define N25Q256A_FSR_NBADDR ((uint8_t)0x01) /*!< 3-bytes or 4-bytes addressing */
#define N25Q256A_FSR_PRERR ((uint8_t)0x02) /*!< Protection error */
#define N25Q256A_FSR_PGSUS ((uint8_t)0x04) /*!< Program operation suspended */
#define N25Q256A_FSR_VPPERR ((uint8_t)0x08) /*!< Invalid voltage during program or erase */
#define N25Q256A_FSR_PGERR ((uint8_t)0x10) /*!< Program error */
#define N25Q256A_FSR_ERERR ((uint8_t)0x20) /*!< Erase error */
#define N25Q256A_FSR_ERSUS ((uint8_t)0x40) /*!< Erase operation suspended */
#define N25Q256A_FSR_READY ((uint8_t)0x80) /*!< Ready or command in progress */
/**
* @}
*/
/** @defgroup N25Q256A_Exported_Functions
* @{
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __N25Q256A_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/