SanDisk SDMB-16-771 Product Manual - Page 13

MultiMediaCard Product Manual Table 1-3 Memory Array Structures Summary Structure SDMB-4 SDMB-8 SDMB-16 Bytes 4.03 MB 8.03 MB 16.06 MB Sector 7,872 15,680 31,360 Erase Group 16 16 32 Size [sectors] # of Erase 492 980 980 Groups Write Protect 32 32 32 Group Size [erase groups] # of Write 16 31 31 Protect Goups Note: All measurements are in units per card. 1.5.8.6 Read and Write Operations SDMB-32 32.11 MB 62,720 32 1,960 32 62 Stream Mode Memory Memory Memory Memory Memory Memory Memory Sectors Sectors Sectors Sectors Sectors Sectors Sectors Write Read Start Address Start Stop Transmission Stop Multiple Block Mode Memory Memory Memory Memory Memory Memory Memory Sectors Sectors Sectors Sectors Sectors Sectors Sectors Write Read Start Address Stop Start Stop Single Block Mode Misalignment Error Memory Memory Memory Memory Memory Memory Memory Sectors Sectors Sectors Sectors Sectors Sectors Sectors Start Address (Read) Start Address (Write) Start Address Figure 1-3 Data Transfer Formats SanDisk MultiMediaCard Product Manual Rev. 2 © 2000 SANDISK CORPORATION 13