_MMC_EXTENDED_CARD_SPECIFIC_DATA Struct Reference

#include <mmc.h>

Data Fields
uint8_t	revision
	Extended CSD revision (192).
uint8_t	cachecontrol
	Control to turn the Cache ON/OFF (33).
uint8_t	poweroffnotification
	Power Off Notification (34).
uint8_t	partitionsupport
	Partitioning Support (160).
uint8_t	hardwareresetfunction
	H/W reset function (162]).
uint8_t	writereliabilityparameter
	Write reliability parameter register (166]).
uint8_t	rpmbsizemult
	RPMB Size Multiplier (168).
uint8_t	erasegroupdef
	High-density erase group definition (175).
uint8_t	partconfig
	Partition configuration (179).
uint8_t	erasedmemorycontent
	Erased memory content (181).
uint8_t	strobesupport
	Strobe Support (184).
uint8_t	csdstructure
	CSD STRUCTURE (194).
uint8_t	cardtype
	Device type (196).
uint8_t	driverstrength
	I/O Driver Strength (197).
uint8_t	outofinterrupttime
	Out-of-interrupt busy timing (198).
uint8_t	sectorcount [4]
	Sector Count (212)(4 bytes).
uint8_t	satimeout
	Sleep/awake timeout (217).
uint8_t	hcerasegapsize
	High-capacity write protect group size (221).
uint8_t	reliablesectors
	Reliable write sector count (222).
uint8_t	erasetimeoutmult
	High-capacity erase timeout (223).
uint8_t	hcerasegrpsize
	High-capacity erase unit size (224).
uint8_t	sectrimmult
	Secure TRIM Multiplier (229).
uint8_t	secerasemult
	Secure Erase Multiplier (230).
uint8_t	secfeaturesupport
	Secure Feature support (231).
uint8_t	trimmult
	TRIM Multiplier (232).
uint8_t	powerclass52mhz195
	Power class for 52 MHz at 1.95 V (200).
uint8_t	powerclass26mhz195
	Power class for 26 MHz at 1.95 V (201).
uint8_t	powerclass52mhz360
	Power class for 52 MHz at 3.6 V (202).
uint8_t	powerclass26mhz360
	Power class for 26 MHz at 3.6 V (203).
uint8_t	powerclass200mhz195
	Power class for 200MHz, at VCCQ = 1.3V, VCC = 3.6V (236).
uint8_t	powerclass200mhz360
	Power class for 200MHz at VCCQ = 1.95V, VCC = 3.6V (237).
uint8_t	powerclassddr52mhz195
	Power class for 52MHz, DDR at VCC = 1.95V (238).
uint8_t	powerclassddr52mhz360
	Power class for 52MHz, DDR at VCC = 3.6V (239).
uint8_t	powerclassddr200mhz360
	Power class for 200MHz, DDR at VCC = 3.6V (253).
uint8_t	bkopsstatus
	Background operations status (246).
uint8_t	firmwareversion [MMC_FIRMWARE_VERSION_LEN]
	(254) (8 bytes)
uint8_t	preendoflifeinfo
	Pre EOL information (267).
uint8_t	devicelifetimeestimatea
	Device life time estimation type A (268).
uint8_t	devicelifetimeestimateb
	Device life time estimation type B (269).
uint8_t	maxpackedwrites
	Max packed write commands (500).
uint8_t	maxpackedreads
	Max packed read commands (501]).
uint32_t	sectors
uint32_t	sleepawaketime
	100ns units
uint32_t	partitionswitchtime
	ms
uint32_t	genericcmd6time
	10ms units
uint32_t	powerofflongtime
	ms
uint32_t	hcerasesize
	Sectors.
uint32_t	hcerasetimeout
	Milliseconds.
uint32_t	datasectorsize
	512 bytes or 4KB
uint32_t	datatagunitsize
uint32_t	hsmaxrate
	Hz.
uint32_t	hs200maxrate
	Hz.
uint32_t	availabletypes
uint64_t	bootpartitionsize
	Bytes.
uint64_t	enhancedareaoffset
	Bytes.
uint64_t	enhancedareasize
	KB.
uint32_t	cachesize
	KB.
BOOL	partitionsettingcompleted
	Enable Bit.
uint32_t	trimtimeout
	Milliseconds.
uint64_t	partitionsizes [MMC_NUM_GP_PARTITION]
	Bytes.
uint32_t	bootreadonlysupport
	Read Only Lock Support.
BOOL	bootreadonlylockable
BOOL	fieldfirmwareupdate
	Firmware upgrade support.
BOOL	commandqueuesupport
	Command Queue supported.
uint32_t	commandqueuedepth
	Command Queue depth.
BOOL	backgroundoperations
	BKOPS Supported.
BOOL	manualbkopsenable
	Manual BKOPS Supported.
BOOL	autobkopsenable
	Auto BKOPS Supported.
BOOL	hpi
	HPI (High Priority Interrupt) Supported.
BOOL	hpienable
	HPI Enabled.
uint32_t	hpicommand
	CMD used as HPI.
uint64_t	rpmbsize
	Bytes.
BOOL	enhancedrpmbsupport
uint8_t	erasedbyte
	Value after Erase.
uint32_t	featuresupport
	Version specific features (eg MMC_DISCARD_FEATURE).

Field Documentation

revision

uint8_t revision

Extended CSD revision (192).

cachecontrol

uint8_t cachecontrol

Control to turn the Cache ON/OFF (33).

poweroffnotification

uint8_t poweroffnotification

Power Off Notification (34).

partitionsupport

uint8_t partitionsupport

Partitioning Support (160).

hardwareresetfunction

uint8_t hardwareresetfunction

H/W reset function (162]).

writereliabilityparameter

uint8_t writereliabilityparameter

Write reliability parameter register (166]).

rpmbsizemult

uint8_t rpmbsizemult

RPMB Size Multiplier (168).

erasegroupdef

uint8_t erasegroupdef

High-density erase group definition (175).

partconfig

uint8_t partconfig

Partition configuration (179).

erasedmemorycontent

uint8_t erasedmemorycontent

Erased memory content (181).

strobesupport

uint8_t strobesupport

Strobe Support (184).

csdstructure

uint8_t csdstructure

CSD STRUCTURE (194).

cardtype

uint8_t cardtype

Device type (196).

driverstrength

uint8_t driverstrength

I/O Driver Strength (197).

outofinterrupttime

uint8_t outofinterrupttime

Out-of-interrupt busy timing (198).

sectorcount

uint8_t sectorcount[4]

Sector Count (212)(4 bytes).

satimeout

uint8_t satimeout

Sleep/awake timeout (217).

hcerasegapsize

uint8_t hcerasegapsize

High-capacity write protect group size (221).

reliablesectors

uint8_t reliablesectors

Reliable write sector count (222).

erasetimeoutmult

uint8_t erasetimeoutmult

High-capacity erase timeout (223).

hcerasegrpsize

uint8_t hcerasegrpsize

High-capacity erase unit size (224).

sectrimmult

uint8_t sectrimmult

Secure TRIM Multiplier (229).

secerasemult

uint8_t secerasemult

Secure Erase Multiplier (230).

secfeaturesupport

uint8_t secfeaturesupport

Secure Feature support (231).

trimmult

uint8_t trimmult

TRIM Multiplier (232).

powerclass52mhz195

uint8_t powerclass52mhz195

Power class for 52 MHz at 1.95 V (200).

powerclass26mhz195

uint8_t powerclass26mhz195

Power class for 26 MHz at 1.95 V (201).

powerclass52mhz360

uint8_t powerclass52mhz360

Power class for 52 MHz at 3.6 V (202).

powerclass26mhz360

uint8_t powerclass26mhz360

Power class for 26 MHz at 3.6 V (203).

powerclass200mhz195

uint8_t powerclass200mhz195

Power class for 200MHz, at VCCQ = 1.3V, VCC = 3.6V (236).

powerclass200mhz360

uint8_t powerclass200mhz360

Power class for 200MHz at VCCQ = 1.95V, VCC = 3.6V (237).

powerclassddr52mhz195

uint8_t powerclassddr52mhz195

Power class for 52MHz, DDR at VCC = 1.95V (238).

powerclassddr52mhz360

uint8_t powerclassddr52mhz360

Power class for 52MHz, DDR at VCC = 3.6V (239).

powerclassddr200mhz360

uint8_t powerclassddr200mhz360

Power class for 200MHz, DDR at VCC = 3.6V (253).

bkopsstatus

uint8_t bkopsstatus

Background operations status (246).

firmwareversion

uint8_t firmwareversion[MMC_FIRMWARE_VERSION_LEN]

(254) (8 bytes)

preendoflifeinfo

uint8_t preendoflifeinfo

Pre EOL information (267).

devicelifetimeestimatea

uint8_t devicelifetimeestimatea

Device life time estimation type A (268).

devicelifetimeestimateb

uint8_t devicelifetimeestimateb

Device life time estimation type B (269).

maxpackedwrites

uint8_t maxpackedwrites

Max packed write commands (500).

maxpackedreads

uint8_t maxpackedreads

Max packed read commands (501]).

sectors

uint32_t sectors

sleepawaketime

uint32_t sleepawaketime

100ns units

partitionswitchtime

uint32_t partitionswitchtime

ms

genericcmd6time

uint32_t genericcmd6time

10ms units

powerofflongtime

uint32_t powerofflongtime

ms

hcerasesize

uint32_t hcerasesize

Sectors.

hcerasetimeout

uint32_t hcerasetimeout

Milliseconds.

datasectorsize

uint32_t datasectorsize

512 bytes or 4KB

datatagunitsize

uint32_t datatagunitsize

hsmaxrate

uint32_t hsmaxrate

Hz.

hs200maxrate

uint32_t hs200maxrate

Hz.

availabletypes

uint32_t availabletypes

bootpartitionsize

uint64_t bootpartitionsize

Bytes.

enhancedareaoffset

uint64_t enhancedareaoffset

Bytes.

enhancedareasize

uint64_t enhancedareasize

KB.

cachesize

uint32_t cachesize

KB.

partitionsettingcompleted

BOOL partitionsettingcompleted

Enable Bit.

trimtimeout

uint32_t trimtimeout

Milliseconds.

partitionsizes

uint64_t partitionsizes[MMC_NUM_GP_PARTITION]

Bytes.

bootreadonlysupport

uint32_t bootreadonlysupport

Read Only Lock Support.

bootreadonlylockable

BOOL bootreadonlylockable

fieldfirmwareupdate

BOOL fieldfirmwareupdate

Firmware upgrade support.

commandqueuesupport

BOOL commandqueuesupport

Command Queue supported.

commandqueuedepth

uint32_t commandqueuedepth

Command Queue depth.

backgroundoperations

BOOL backgroundoperations

BKOPS Supported.

manualbkopsenable

BOOL manualbkopsenable

Manual BKOPS Supported.

autobkopsenable

BOOL autobkopsenable

Auto BKOPS Supported.

hpi

BOOL hpi

HPI (High Priority Interrupt) Supported.

hpienable

BOOL hpienable

HPI Enabled.

hpicommand

uint32_t hpicommand

CMD used as HPI.

rpmbsize

uint64_t rpmbsize

Bytes.

enhancedrpmbsupport

BOOL enhancedrpmbsupport

erasedbyte

uint8_t erasedbyte

Value after Erase.

featuresupport

uint32_t featuresupport

Version specific features (eg MMC_DISCARD_FEATURE).

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

• ultibo/mmc.h