Atmel AT45DB321C Dataflash Commands

Command constants for the Atmel AT45DB321C Dataflash. More...

Defines
#define	DF_MANUFACTURER_ATMEL   0x1F
Dataflash Status Values
#define	DF_STATUS_READY   (1 << 7)
#define	DF_STATUS_COMPMISMATCH   (1 << 6)
#define	DF_STATUS_SECTORPROTECTION_ON   (1 << 1)
Dataflash Commands
#define	DF_CMD_GETSTATUS   0xD7
#define	DF_CMD_MAINMEMTOBUFF1   0x53
#define	DF_CMD_MAINMEMTOBUFF2   0x55
#define	DF_CMD_MAINMEMTOBUFF1COMP   0x60
#define	DF_CMD_MAINMEMTOBUFF2COMP   0x61
#define	DF_CMD_AUTOREWRITEBUFF1   0x58
#define	DF_CMD_AUTOREWRITEBUFF2   0x59
#define	DF_CMD_MAINMEMPAGEREAD   0xD2
#define	DF_CMD_CONTARRAYREAD_LF   0xE8
#define	DF_CMD_BUFF1READ_LF   0xD4
#define	DF_CMD_BUFF2READ_LF   0xD6
#define	DF_CMD_BUFF1WRITE   0x84
#define	DF_CMD_BUFF2WRITE   0x87
#define	DF_CMD_BUFF1TOMAINMEMWITHERASE   0x83
#define	DF_CMD_BUFF2TOMAINMEMWITHERASE   0x86
#define	DF_CMD_BUFF1TOMAINMEM   0x88
#define	DF_CMD_BUFF2TOMAINMEM   0x89
#define	DF_CMD_MAINMEMPAGETHROUGHBUFF1   0x82
#define	DF_CMD_MAINMEMPAGETHROUGHBUFF2   0x85
#define	DF_CMD_PAGEERASE   0x81
#define	DF_CMD_BLOCKERASE   0x50
#define	DF_CMD_SECTORPROTECTIONOFF   ((char[]){0x3D, 0x2A, 0x7F, 0xCF})
#define	DF_CMD_SECTORPROTECTIONOFF_BYTE1   0x3D
#define	DF_CMD_SECTORPROTECTIONOFF_BYTE2   0x2A
#define	DF_CMD_SECTORPROTECTIONOFF_BYTE3   0x7F
#define	DF_CMD_SECTORPROTECTIONOFF_BYTE4   0xCF
#define	DF_CMD_READMANUFACTURERDEVICEINFO   0x9F

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Detailed Description

Dataflash command constants for the Atmel AT45DB321C Dataflash IC.

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Define Documentation

#define DF_CMD_AUTOREWRITEBUFF1   0x58

#define DF_CMD_AUTOREWRITEBUFF2   0x59

#define DF_CMD_BLOCKERASE   0x50

#define DF_CMD_BUFF1READ_LF   0xD4

#define DF_CMD_BUFF1TOMAINMEM   0x88

#define DF_CMD_BUFF1TOMAINMEMWITHERASE   0x83

#define DF_CMD_BUFF1WRITE   0x84

#define DF_CMD_BUFF2READ_LF   0xD6

#define DF_CMD_BUFF2TOMAINMEM   0x89

#define DF_CMD_BUFF2TOMAINMEMWITHERASE   0x86

#define DF_CMD_BUFF2WRITE   0x87

#define DF_CMD_CONTARRAYREAD_LF   0xE8

#define DF_CMD_GETSTATUS   0xD7

#define DF_CMD_MAINMEMPAGEREAD   0xD2

#define DF_CMD_MAINMEMPAGETHROUGHBUFF1   0x82

#define DF_CMD_MAINMEMPAGETHROUGHBUFF2   0x85

#define DF_CMD_MAINMEMTOBUFF1   0x53

#define DF_CMD_MAINMEMTOBUFF1COMP   0x60

#define DF_CMD_MAINMEMTOBUFF2   0x55

#define DF_CMD_MAINMEMTOBUFF2COMP   0x61

#define DF_CMD_PAGEERASE   0x81

#define DF_CMD_READMANUFACTURERDEVICEINFO   0x9F

#define DF_CMD_SECTORPROTECTIONOFF   ((char[]){0x3D, 0x2A, 0x7F, 0xCF})

#define DF_CMD_SECTORPROTECTIONOFF_BYTE1   0x3D

#define DF_CMD_SECTORPROTECTIONOFF_BYTE2   0x2A

#define DF_CMD_SECTORPROTECTIONOFF_BYTE3   0x7F

#define DF_CMD_SECTORPROTECTIONOFF_BYTE4   0xCF

#define DF_MANUFACTURER_ATMEL   0x1F

Manufacturer code for Atmel Corporation, returned by Atmel Dataflash ICs in response to the DF_CMD_READMANUFACTURERDEVICEINFO command.

#define DF_STATUS_COMPMISMATCH   (1 << 6)

#define DF_STATUS_READY   (1 << 7)

#define DF_STATUS_SECTORPROTECTION_ON   (1 << 1)