SCR register structure (SD Memory Card only) More...

Detailed Description

SCR register structure (SD Memory Card only)

See also: Physical Layer Simplified Specification Version 9.00, Section 5.6, Table 5-17 [sdcard.org]

Definition at line 815 of file sdmmc.h.

#include <sdmmc.h>

Data Fields
uint32_t	reserved0
	Reserved for manufacturer usage [31:0].

union {
struct {
uint32_t CMD_SUPPORT:5
	Command Support bits [36:32].

uint32_t reserved37:1
	Reserved [37].

uint32_t SD_SPECX:4
	Spec. More...

uint32_t SD_SPEC4:1
	Spec. More...

uint32_t EX_SECURITY:4
	Extended Security Support [46:43].

uint32_t SD_SPEC3:1
	Spec. More...

uint32_t SD_BUS_WIDTHS:4
	DAT Bus widths supported [51:48].

uint32_t SD_SECURITY:3
	CPRM Security Support [54:52].

uint32_t DATA_STAT_AFTER_ERASE:1
	Data status after erases [55].

uint32_t SD_SPEC:4
	SD Memory Card - Spec. More...

uint32_t SCR_STRUCTURE:4
	SCR Structure [63:60].

}

uint32_t value

};

Field Documentation

uint32_t sdmmc_scr_t::SD_SPEC

SD Memory Card - Spec.

Version [59:56]

Definition at line 830 of file sdmmc.h.

uint32_t sdmmc_scr_t::SD_SPEC3

Spec.

Version 3.00 or higher [47]

Definition at line 826 of file sdmmc.h.

uint32_t sdmmc_scr_t::SD_SPEC4

Spec.

Version 4.00 or higher [42]

Definition at line 824 of file sdmmc.h.

uint32_t sdmmc_scr_t::SD_SPECX

Spec.

Version 5.00 or higher [41:38]

Definition at line 823 of file sdmmc.h.

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