Specifications

©Copyright 2001-2013 SD Group (Panasonic, SanDisk, Toshiba) and SD Card Association
Physical Layer Simplified Specification Version 4.10
127
• Essential conditions to indicate Version 4.XX Card (SD_SPEC=2, SD_SPEC3=1
and SD_SPEC4=1)
(1) Same as the essential conditions of Version 3.00 device
(2) Support any of additional functions defined by Version 4.XX:
Followings functions (a) to (c) are defined by Version 4.00.
(a) Support of CMD48 and CMD49
(b) Support of UHS-II mode
(c) Support of DPS
Followings functions (d) to (f) are defined by Version 4.10.
(d) Support of CMD58 and CMD59
(e) Support of Power Management Functions
(f) Support of Speed Grade 1 for UHS-II mode
The requirements of supporting commands mentioned above are for the optional commands, the
support of which depends on versions (SD_SPEC, SD_SPEC3 and SD_SPEC4). Refer to Table 4-21
(and Notes below the table) about the mandatory and optional commands in the card.
• DATA_STAT_AFTER_ERASE
Defines the data status after erase, whether it is 0 or 1 (the status is card vendor dependent).
• SD_SECURITY
This field indicates CPRM Security Specification Version for each capacity card. The definition of
Protected Area is different in each capacity card.
SD_SECURITY
CPRM Security Version
0
No Security
1
Not Used
2
SDSC Card (Security Version 1.01)
3
SDHC Card (Security Version 2.00)
4
SDXC Card (Security Version 3.xx)
5 - 7
Reserved
Table 5-20: CPRM Security Version
The basic rule of setting this field:
SDSC Card sets this field to 2 (Version 1.01)
SDHC Card sets this field to 3 (Version 2.00).
SDXC Card sets this field to 4 (Version 3.xx).
Note that it is mandatory for a regular writable SD Memory Card to support Security Protocol. For ROM
(Read Only) and OTP (One Time Programmable) types of the SD Memory Card, the security feature is
optional.