Zephyr Project API 3.7.0
A Scalable Open Source RTOS
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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].


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