mmc_ext_csd Struct Reference

MMC extended card specific data register. More...

#include <sd_spec.h>

Data Fields
uint32_t	sec_count
uint8_t	bus_width
enum mmc_timing_mode	hs_timing
struct mmc_device_type	device_type
enum mmc_ext_csd_rev	rev
uint8_t	power_class
uint8_t	mmc_driver_strengths
uint8_t	pwr_class_200MHZ_VCCQ195
uint8_t	pwr_class_HS400
uint32_t	cache_size

Detailed Description

MMC extended card specific data register.

Extended card specific data register. Contains additional additional data about MMC card.

Field Documentation

bus_width

uint8_t mmc_ext_csd::bus_width

Bus Width Mode [183] >

cache_size

uint32_t mmc_ext_csd::cache_size

Size of eMMC cache [252:249]>

device_type

struct mmc_device_type mmc_ext_csd::device_type

Device Type [196] >

hs_timing

enum mmc_timing_mode mmc_ext_csd::hs_timing

High Speed Timing Mode [185] >

mmc_driver_strengths

uint8_t mmc_ext_csd::mmc_driver_strengths

Driver strengths [197] >

power_class

uint8_t mmc_ext_csd::power_class

Selected power class [187]>

pwr_class_200MHZ_VCCQ195

uint8_t mmc_ext_csd::pwr_class_200MHZ_VCCQ195

Power class information for HS200 at VCC!=1.95V [237] >

pwr_class_HS400

uint8_t mmc_ext_csd::pwr_class_HS400

Power class information for HS400 [253] >

rev

enum mmc_ext_csd_rev mmc_ext_csd::rev

Extended CSD Revision [192] >

sec_count

uint32_t mmc_ext_csd::sec_count

Sector Count [215:212] >

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

• zephyr/sd/sd_spec.h