SanDisk SDMB-16-771 Product Manual - Page 30

MultiMediaCard Product Manual WP_GRP_ 1 R [31:31] Yes 1 ENABLE Write Protect Group Enable DEFAULT_ECC 2 R [30:29] None 0 Manufacturer Default ECC R2W_FACTOR 3 R [28:26] 1:16 4 Read to Write Speed Factor WRITE_BL_LEN 4 R [25:22] 512 9 Max. Write Data Block Length WRITE_BL_ 1 R [21:21] No 0 PARTIAL Partial Blocks for Write Allowed - 5 R [20:16] 0 0 Reserved - 1 R/W [15:15] 0 0 Reserved COPY 1 R/W [14:14] Copy 1 Copy Flag (OTP) PERM_WRITE_ 1 R/W [13:13] No 0 PROTECT Permanent Write Protection TMP_WRITE_ 1 R/W/ [12:12] No 0 PROTECT E Temporary Write Protection - 2 R/W [11:10] 0 0 Reserved ECC 2 R/W/ [9:8] None 0 E ECC Code CRC 7 R/W/ E [7:1] √ CRC - 1 - [0:0] 1 1 Not Used, Always '1' The following sections describe the CSD fields and the relevant data types. If not explicitly defined otherwise, all bit strings are interpreted as binary coded numbers starting with the left bit first. CSD_STRUCTURE-describes the version of the CSD structure. Table 4-7 CSD Register Structure CSD_STRUCTURE CSD Structure Version 0 CSD version No. 1.0 1 CSD version No. 1.1 2-3 reserved Valid for MultiMediaCard Protocol Version MultiMediaCard protocol version 1.0-1.2 MultiMediaCard protocol version 1.4 MMC_PROT-Defines the MultiMediaCard protocol version supported by the card. It includes t h e definition of the command set and the card responses. The card identification procedure is compatible for all protocol versions. 30 SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION