SD Status (SD Memory Card only) More...

Detailed Description

SD Status (SD Memory Card only)

SD Status has a size of 512 bits and contains the status of SD Memory Card features. It is not supported by MMCs and SDIO Cards. In Combo Cards, it reflects the status of the SD Memory Card portion.

Members are sorted by types to reduce the required RAM size.

See also
Physical Layer Simplified Specification Version 9.00, Section 4.10.2, Table 4-44 [sdcard.org]

Definition at line 533 of file sdmmc.h.

#include <sdmmc.h>

Data Fields

uint32_t SIZE_OF_PROTECTED_AREA:32
 [479:448] Section 4.10.2.1
 
uint32_t SUS_ADDR:22
 [367:346] Section 4.10.2.12, Table 4-57
 
uint32_t VSC_AU_SIZE:10
 [377:368] Section 4.10.2.11, Table 4-56
 
uint16_t SD_CARD_TYPE:16
 [495:480] Section 4.10.2, Table 4-44
 
uint16_t ERASE_SIZE:16
 [423:408] Section 4.10.2.5, Table 4-49
 
uint8_t SPEED_CLASS:8
 [447:440] Section 4.10.2.2, Table 4-45
 
uint8_t PERFORMANCE_MOVE:8
 [439:432] Section 4.10.2.3, Table 4-46
 
uint8_t VIDEO_SPEED_CLASS:8
 [391:384] Section 4.10.2.10, Table 4-54
 
uint8_t ERASE_TIMEOUT:6
 [407:402] Section 4.10.2.6, Table 4-50
 
uint8_t ERASE_OFFSET:2
 [401:400] Section 4.10.2.7, Table 4-51
 
uint8_t UHS_SPEED_GRADE:4
 [399:396] Section 4.10.2.8, Table 4-52
 
uint8_t UHS_AU_SIZE:4
 [395:392] Section 4.10.2.9, Table 4-3
 
uint8_t AU_SIZE:4
 [431:428] Section 4.10.2.4, Table 4-47
 
uint8_t DAT_BUS_WIDTH:2
 [511:510] Section 4.10.2, Table 4-44
 
uint8_t SECURED_MODE:1
 [509] Section 4.10.2, Table 4-44
 

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