SD_CSD Struct Reference

Card Specific Data: CSD Register. More...

#include <stm32f4_sdio_sd.h>

Data Fields
__IO uint8_t	CSDStruct
__IO uint8_t	SysSpecVersion
__IO uint8_t	Reserved1
__IO uint8_t	TAAC
__IO uint8_t	NSAC
__IO uint8_t	MaxBusClkFrec
__IO uint16_t	CardComdClasses
__IO uint8_t	RdBlockLen
__IO uint8_t	PartBlockRead
__IO uint8_t	WrBlockMisalign
__IO uint8_t	RdBlockMisalign
__IO uint8_t	DSRImpl
__IO uint8_t	Reserved2
__IO uint32_t	DeviceSize
__IO uint8_t	MaxRdCurrentVDDMin
__IO uint8_t	MaxRdCurrentVDDMax
__IO uint8_t	MaxWrCurrentVDDMin
__IO uint8_t	MaxWrCurrentVDDMax
__IO uint8_t	DeviceSizeMul
__IO uint8_t	EraseGrSize
__IO uint8_t	EraseGrMul
__IO uint8_t	WrProtectGrSize
__IO uint8_t	WrProtectGrEnable
__IO uint8_t	ManDeflECC
__IO uint8_t	WrSpeedFact
__IO uint8_t	MaxWrBlockLen
__IO uint8_t	WriteBlockPaPartial
__IO uint8_t	Reserved3
__IO uint8_t	ContentProtectAppli
__IO uint8_t	FileFormatGrouop
__IO uint8_t	CopyFlag
__IO uint8_t	PermWrProtect
__IO uint8_t	TempWrProtect
__IO uint8_t	FileFormat
__IO uint8_t	ECC
__IO uint8_t	CSD_CRC
__IO uint8_t	Reserved4

Detailed Description

Card Specific Data: CSD Register.

Definition at line 131 of file stm32f4_sdio_sd.h.

Field Documentation

__IO uint16_t CardComdClasses

Card command classes

Definition at line 139 of file stm32f4_sdio_sd.h.

__IO uint8_t ContentProtectAppli

Content protection application

Definition at line 161 of file stm32f4_sdio_sd.h.

__IO uint8_t CopyFlag

Copy flag (OTP)

Definition at line 163 of file stm32f4_sdio_sd.h.

__IO uint8_t CSD_CRC

CSD CRC

Definition at line 168 of file stm32f4_sdio_sd.h.

__IO uint8_t CSDStruct

CSD structure

Definition at line 133 of file stm32f4_sdio_sd.h.

__IO uint32_t DeviceSize

Device Size

Definition at line 146 of file stm32f4_sdio_sd.h.

__IO uint8_t DeviceSizeMul

Device size multiplier

Definition at line 151 of file stm32f4_sdio_sd.h.

__IO uint8_t DSRImpl

DSR implemented

Definition at line 144 of file stm32f4_sdio_sd.h.

__IO uint8_t ECC

ECC code

Definition at line 167 of file stm32f4_sdio_sd.h.

__IO uint8_t EraseGrMul

Erase group size multiplier

Definition at line 153 of file stm32f4_sdio_sd.h.

__IO uint8_t EraseGrSize

Erase group size

Definition at line 152 of file stm32f4_sdio_sd.h.

__IO uint8_t FileFormat

File Format

Definition at line 166 of file stm32f4_sdio_sd.h.

__IO uint8_t FileFormatGrouop

File format group

Definition at line 162 of file stm32f4_sdio_sd.h.

__IO uint8_t ManDeflECC

Manufacturer default ECC

Definition at line 156 of file stm32f4_sdio_sd.h.

__IO uint8_t MaxBusClkFrec

Max. bus clock frequency

Definition at line 138 of file stm32f4_sdio_sd.h.

__IO uint8_t MaxRdCurrentVDDMax

Max. read current @ VDD max

Definition at line 148 of file stm32f4_sdio_sd.h.

__IO uint8_t MaxRdCurrentVDDMin

Max. read current @ VDD min

Definition at line 147 of file stm32f4_sdio_sd.h.

__IO uint8_t MaxWrBlockLen

Max. write data block length

Definition at line 158 of file stm32f4_sdio_sd.h.

__IO uint8_t MaxWrCurrentVDDMax

Max. write current @ VDD max

Definition at line 150 of file stm32f4_sdio_sd.h.

__IO uint8_t MaxWrCurrentVDDMin

Max. write current @ VDD min

Definition at line 149 of file stm32f4_sdio_sd.h.

__IO uint8_t NSAC

Data read access-time 2 in CLK cycles

Definition at line 137 of file stm32f4_sdio_sd.h.

__IO uint8_t PartBlockRead

Partial blocks for read allowed

Definition at line 141 of file stm32f4_sdio_sd.h.

__IO uint8_t PermWrProtect

Permanent write protection

Definition at line 164 of file stm32f4_sdio_sd.h.

__IO uint8_t RdBlockLen

Max. read data block length

Definition at line 140 of file stm32f4_sdio_sd.h.

__IO uint8_t RdBlockMisalign

Read block misalignment

Definition at line 143 of file stm32f4_sdio_sd.h.

__IO uint8_t Reserved1

Reserved

Definition at line 135 of file stm32f4_sdio_sd.h.

__IO uint8_t Reserved2

Reserved

Definition at line 145 of file stm32f4_sdio_sd.h.

__IO uint8_t Reserved3

Reserded

Definition at line 160 of file stm32f4_sdio_sd.h.

__IO uint8_t Reserved4

always 1

Definition at line 169 of file stm32f4_sdio_sd.h.

__IO uint8_t SysSpecVersion

System specification version

Definition at line 134 of file stm32f4_sdio_sd.h.

__IO uint8_t TAAC

Data read access-time 1

Definition at line 136 of file stm32f4_sdio_sd.h.

__IO uint8_t TempWrProtect

Temporary write protection

Definition at line 165 of file stm32f4_sdio_sd.h.

__IO uint8_t WrBlockMisalign

Write block misalignment

Definition at line 142 of file stm32f4_sdio_sd.h.

__IO uint8_t WriteBlockPaPartial

Partial blocks for write allowed

Definition at line 159 of file stm32f4_sdio_sd.h.

__IO uint8_t WrProtectGrEnable

Write protect group enable

Definition at line 155 of file stm32f4_sdio_sd.h.

__IO uint8_t WrProtectGrSize

Write protect group size

Definition at line 154 of file stm32f4_sdio_sd.h.

__IO uint8_t WrSpeedFact

Write speed factor

Definition at line 157 of file stm32f4_sdio_sd.h.

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The documentation for this struct was generated from the following file:

• FatFs/inc/stm32f4_sdio_sd.h