SanDisk SDSDH-1024 Product Manual - Page 34

Revision 2.2 Chapter 3 - SD Card Interface Description SD Card Product Manual Field Width Cell Type CSD Slice CSD Value VDD_W_ 3 R [55:53] 100 mA CURR_MIN VDD_W_ 3 R [52:50] 80 mA CURR_MAX C_SIZE_ 3 R [49:47] 2G=2048 MULT 1G=1024 512=512 256=256 128=128 64=64 32=32 16=16 ERASE_BLK_ 1 R [46:56 Yes EN SECTOR_ 7 R [45:39] 32 blocks SIZE WP_GRP_ 7 R [38:32] 128 sectors SIZE WP_GRP_ 1 R {31:31] Yes ENABLE Reserved 2 R [30:29] --- R2W_ 3 FACTOR WRITE_BL_ 4 LEN WRITE_BL 1 PARTIAL --- 5 FILE_ 1 FORMAT_ GRP COPY 1 PERM_ 1 WRITE_ PROTECT TMP_WRITE_ 1 PROTECT FILE_ 2 FORMAT Reserved 2 CRC 7 --- 1 R [28:26] x16 R [25:22] 2G Up to 1G R [21:21] No R [20:16] --- R/W [15:15] 0 (1) R/W [14:14] Not original (1) R/W [13:13] Not protected (1) R/W [12:12] Not protected R/W [11:10] HD w/partition (1) 2 R/W [9:8] R/W [7:1] --- --- [0:0] --- CSD Code Description 111b 110b 0x07 0x07 0x06 0x05 0x04 0x03 0x03 0x03 1b 0011111b 1111111b 1b 0b 0100b max. Max. write current @VDD min. Max. write current @VDD max. Device size multiplier Erase single block enable Erase sector size Write protect group size Write protect group enable Reserved for MMC compatibility Write speed factor Ah 9h 0 00000b 0b Max. write data block length Partial blocks for write allowed Reserved File format group 1b Copy flag (OTP) 0b Permanent write protection 0b Temporary write protection 00b File format --CRC7 1b Reserved CRC Not used, always "1" © 2004 SanDisk Corporation 3-14 12/08/04