sd_scr Struct Reference

SD card configuration register. More...

#include <sd_spec.h>

Data Fields
uint8_t	scr_structure
	SCR Structure [63:60].
uint8_t	sd_spec
	SD memory card specification version [59:56].
uint16_t	flags
	SCR flags in _sd_scr_flag.
uint8_t	sd_sec
	Security specification supported [54:52].
uint8_t	sd_width
	Data bus widths supported [51:48].
uint8_t	sd_ext_sec
	Extended security support [46:43].
uint8_t	cmd_support
	Command support bits [33:32] 33-support CMD23, 32-support cmd20.
uint32_t	rsvd
	reserved for manufacturer usage [31:0]

Detailed Description

SD card configuration register.

Even more SD card data.

Field Documentation

cmd_support

uint8_t sd_scr::cmd_support

Command support bits [33:32] 33-support CMD23, 32-support cmd20.

flags

uint16_t sd_scr::flags

SCR flags in _sd_scr_flag.

rsvd

uint32_t sd_scr::rsvd

reserved for manufacturer usage [31:0]

scr_structure

uint8_t sd_scr::scr_structure

SCR Structure [63:60].

sd_ext_sec

uint8_t sd_scr::sd_ext_sec

Extended security support [46:43].

sd_sec

uint8_t sd_scr::sd_sec

Security specification supported [54:52].

sd_spec

uint8_t sd_scr::sd_spec

SD memory card specification version [59:56].

sd_width

uint8_t sd_scr::sd_width

Data bus widths supported [51:48].

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

• zephyr/sd/sd_spec.h