MCUXpresso SDK API Reference Manual  Rev. 0
NXP Semiconductors
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sd_csd_t Struct Reference

SD card CSD register.

#include <fsl_sdmmc_spec.h>

Data Fields

uint8_t csdStructure
 CSD structure [127:126].
 
uint8_t dataReadAccessTime1
 Data read access-time-1 [119:112].
 
uint8_t dataReadAccessTime2
 Data read access-time-2 in clock cycles (NSAC*100) [111:104].
 
uint8_t transferSpeed
 Maximum data transfer rate [103:96].
 
uint16_t cardCommandClass
 Card command classes [95:84].
 
uint8_t readBlockLength
 Maximum read data block length [83:80].
 
uint16_t flags
 Flags in _sd_csd_flag.
 
uint32_t deviceSize
 Device size [73:62].
 
uint8_t readCurrentVddMin
 Maximum read current at VDD min [61:59].
 
uint8_t readCurrentVddMax
 Maximum read current at VDD max [58:56].
 
uint8_t writeCurrentVddMin
 Maximum write current at VDD min [55:53].
 
uint8_t writeCurrentVddMax
 Maximum write current at VDD max [52:50].
 
uint8_t deviceSizeMultiplier
 Device size multiplier [49:47].
 
uint8_t eraseSectorSize
 Erase sector size [45:39].
 
uint8_t writeProtectGroupSize
 Write protect group size [38:32].
 
uint8_t writeSpeedFactor
 Write speed factor [28:26].
 
uint8_t writeBlockLength
 Maximum write data block length [25:22].
 
uint8_t fileFormat
 File format [11:10].