Manual

803M Series Industrial Grade microSD Card Product Manual v2.0Cactus Technologies

1. Support command class 0,2,4,5,7,8,9,10,11. Not supported command class 1,3,6.

2. Varies according to memory type.

3. Varies according to memory type.

4. Varies according to memory type.

CSD bit Width Name Field Value Note

[13] 1

Permanent write

protection

PERM_WRITE_

PROTECT

0 b Not protected

[12] 1

Temporary write

protection

TMP_WRITE_PRO-

TECT

0 b Not protected

[11:10] 2 File format FILE_FORMAT 00 b HD FAT (*3)

[9:8] 2 ECC code ECC 00 b None

[7:1] 7 CRC CRC --- ---

[0] 1 Not used --- 1 b ---

SD Card Conguration Register (SCR)

4.5.

This 64-bit register provides additional information about special features congured into the card.

SCR bit Width Name Field Value Note

[63:60] 4 SCR structure SCR_STRUCTURE 0000 b v1.0-2.0

[59:56] 4

SD Card spec.

version

SD_SPEC 0010 b v2.0

[55] 1

Data status after

erase

DATA_STAT_AF-

TER_ERASE

1 b one after erase

[54:52] 3

SD security sup-

port

SD_SECURITY 011 b Security Protocol 2.0

[51:48] 4

DAT bus width

support

SD_BUS_WIDTH 0101 b Support 1 / 4 bits

[47:32] 16 Reserved --- --- ---

[31:0] 32 Reserved --- --- ---